{"id":83502,"date":"2023-05-18T19:22:45","date_gmt":"2023-05-19T02:22:45","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=83502"},"modified":"2023-10-27T02:01:37","modified_gmt":"2023-10-27T09:01:37","slug":"what-is-transmission-fluid-and-other-faqs","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/what-is-transmission-fluid-and-other-faqs\/","title":{"rendered":"What Is Transmission Fluid? And Other FAQs"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_d52926-34 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_d52926-34 > .kt-inside-inner-col,.kadence-column_d52926-34 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_d52926-34 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_d52926-34 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_d52926-34 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_d52926-34 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_d52926-34{position:relative;}@media all and (max-width: 1024px){.kadence-column_d52926-34 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_d52926-34 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_d52926-34 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-39f436  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-fbfa43\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_dd1ff4-c1, .wp-block-kadence-advancedheading.kt-adv-heading_dd1ff4-c1[data-kb-block=\"kb-adv-heading_dd1ff4-c1\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_dd1ff4-c1 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_dd1ff4-c1[data-kb-block=\"kb-adv-heading_dd1ff4-c1\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_dd1ff4-c1 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_dd1ff4-c1[data-kb-block=\"kb-adv-heading_dd1ff4-c1\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_dd1ff4-c1 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_dd1ff4-c1\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Transmission fluid is a type of hydraulic fluid used in the transmission.<\/li><li>Manual transmissions lubricate their internal parts with transmission fluid.<\/li><li>In automatic transmissions, transmission fluid serves as a lubricant and hydraulic fluid that transfers the force needed to operate the system.<\/li><li>Transmissions require a transmission fluid that&rsquo;s compatible with their gearbox.<\/li><li>The different automatic transmission fluid (ATF) types include Dexron, Mercon, Multi-Vehicle Transmissions, and Type F.<\/li><li>Older models with manual transmission use motor oil as their lubricant, while newer models might use manual transmission fluid (MTF) or ATF.<\/li><li>You need to change the transmission fluid if you encounter performance issues during gear shifts, hear strange sounds, smell something burning, or spot a puddle of leaked fluid.<\/li><li>MTF usually requires replacement every 30,000 to 60,000 miles, while you should replace ATF every 60,000 to 100,000 miles.<\/li><li>Low transmission fluid can cause gear slippage and slower engagement speed when cold.<\/li><li>Avoid driving with low or bad transmission fluid.<\/li><li>A transmission flush completely drains the gearbox and fills it with new fluid.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Whether you drive an automatic or manual vehicle, its transmission relies on <a href=\"https:\/\/www.carparts.com\/blog\/how-much-is-transmission-fluid-plus-answers-to-commonly-asked-questions\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission fluid\">transmission fluid<\/a> to run smoothly. It&rsquo;s important to learn what transmission fluid is, what it does, and its different types so that you can understand your vehicle&rsquo;s engine better.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is Transmission Fluid?<\/h2>\n\n\n\n<p>Every vehicle has a transmission, archaically referred to as a &ldquo;gearbox,&rdquo; that transfers power from the engine through the final drive and differential to the wheels.<\/p>\n\n\n\n<p>An automatic transmission shifts your vehicle into the correct gear when changing speed or direction based on speed, load, and throttle angle. A manually shifted transmission requires more skill from the driver in selecting the right gear and making the shift. Manual transmissions are filled with oil or <a href=\"https:\/\/www.carparts.com\/blog\/how-to-check-automatic-transmission-fluid\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission fluid\">transmission fluid<\/a>, but only as a lubricant.<\/p>\n\n\n\n<p>Manual transmissions have no fluid pump like an automatic transmission does, nor does the fluid pass through a heat exchanger (transmission fluid cooler).<\/p>\n\n\n\n<p>Manual transmissions use various different types of fluid. While some use 50W oil, most use fluids that are thinner. Some manual transaxles even use automatic transmission fluid. Using a fluid that is too thick or viscous in a manual transmission can cause gear clash while shifting.<\/p>\n\n\n\n<p>Whether the gearbox is manual or automatic, it needs transmission fluid. However, in an automatic transmission, the fluid does a lot more than simply lubricate the transmission&rsquo;s internal parts.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-transmission-fluid-1024x768.jpg\" alt=\"pouring transmission fluid\" class=\"wp-image-83574\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-transmission-fluid-1024x768.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-transmission-fluid-300x225.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-transmission-fluid-768x576.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-transmission-fluid-150x113.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-transmission-fluid.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Transmission fluid&rsquo;s primary function is to lubricate the gearbox&rsquo;s gears, bearings, and other metal parts for a smooth driving experience.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Does Transmission Fluid Do?<\/h2>\n\n\n\n<p>In both automatic and manual transmissions, the transmission fluid&rsquo;lubricates gears, bearings and shafts, and also prevents components from overheating.<\/p>\n\n\n\n<p>However, automatic transmissions use fluid for hydraulics as much as for lubrication. An automatic transmission has a fluid pump that fills the torque converter with fluid pressure and provides line pressure to the transmission&rsquo;s valve body to move little spring-loaded valves that direct the fluid to apply stacks of clutches to transfer power.<\/p>\n\n\n\n<p>These clutch pack assemblies enable the transmission input shaft that comes from the torque converter turbine to drive components connected to the elements of planetary gear sets. This is how most automatic transmissions achieve all their gear ranges and reverse.<\/p>\n\n\n\n<p>Bands and braking clutches in the automatic transmission will, when applied, hold stationary certain elements connected to the planetary gears. Except for mechanical one-way clutches in the transmission, these brakes and bands are also applied with hydraulic pressure from the fluid pump using the transmission fluid.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Type of Transmission Fluid Does Your Vehicle Need?<\/h2>\n\n\n\n<p>The type of transmission fluid your vehicle needs will depend on what type of gearbox it has. There are two main types of transmission fluids, manual transmission fluid (MTF) and automatic transmission fluid (ATF). However, there are also synthetic and specialty fluids for specific models, such as continuously variable transmissions (CVT) and dual-clutch vehicles.<\/p>\n\n\n\n<p>Almost all automatic transmissions have a torque converter that is designed to lock the spinning torque converter shell to the turbine for optimum fuel economy. While earlier torque converter lockup clutches were either applied or released, modulated torque converter clutches became the order of things beginning in about 1990.<\/p>\n\n\n\n<p>A modulated clutch is designed to have a controlled slip, so that the converter can be applied by percentages from zero to 100 percent locked.<\/p>\n\n\n<style>.kadence-column_613602-70 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_613602-70 > .kt-inside-inner-col,.kadence-column_613602-70 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_613602-70 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_613602-70 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_613602-70 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_613602-70 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_613602-70{position:relative;}@media all and (max-width: 1024px){.kadence-column_613602-70 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_613602-70 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_613602-70 kb-section-dir-vertical kb-section-sm-dir-vertical pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>#kt-layout-id_7b9d21-40 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_7b9d21-40 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_7b9d21-40 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:32px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}#kt-layout-id_7b9d21-40 > .kt-row-layout-overlay{opacity:0.00;}#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep{height:100px;}#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep svg{width:100%;}#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}#kt-layout-id_7b9d21-40 .kt-row-layout-top-sep{height:100px;}#kt-layout-id_7b9d21-40 .kt-row-layout-top-sep svg{width:100%;}#kt-layout-id_7b9d21-40 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){#kt-layout-id_7b9d21-40 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){#kt-layout-id_7b9d21-40 > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep{height:px;}#kt-layout-id_7b9d21-40 .kt-row-layout-bottom-sep svg{width:%;}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone pro-tip-wrap\"><div id=\"kt-layout-id_7b9d21-40\" class=\"kt-row-layout-inner kt-layout-id_7b9d21-40\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-none kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-right-golden kt-m-colapse-left-to-right kt-mobile-layout-right-golden  kt-custom-first-width-10  kt-custom-second-width-90\"><style>.kadence-column_fc9605-a3 > .kt-inside-inner-col{display:flex;}.kadence-column_fc9605-a3 > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_fc9605-a3 > .kt-inside-inner-col,.kadence-column_fc9605-a3 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_fc9605-a3 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column_fc9605-a3 > .kt-inside-inner-col > *, .kadence-column_fc9605-a3 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_fc9605-a3 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_fc9605-a3 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column_fc9605-a3 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_fc9605-a3{position:relative;}@media all and (max-width: 1024px){.kadence-column_fc9605-a3 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column_fc9605-a3 > .kt-inside-inner-col > *, .kadence-column_fc9605-a3 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_fc9605-a3 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_fc9605-a3 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column_fc9605-a3 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column_fc9605-a3 > .kt-inside-inner-col > *, .kadence-column_fc9605-a3 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_fc9605-a3 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_fc9605-a3 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_fc9605-a3 kb-section-dir-horizontal kb-section-md-dir-horizontal pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image_4102d9-dc.kb-image-is-ratio-size, .kb-image_4102d9-dc .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image_4102d9-dc.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image_4102d9-dc .kb-image-is-ratio-size{align-self:unset;}.kb-image_4102d9-dc figure{max-width:45px;}.kb-image_4102d9-dc .image-is-svg, .kb-image_4102d9-dc .image-is-svg img{width:100%;}.kb-image_4102d9-dc .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image_4102d9-dc\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column_ade011-fe > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_ade011-fe > .kt-inside-inner-col,.kadence-column_ade011-fe > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_ade011-fe > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_ade011-fe > .kt-inside-inner-col{flex-direction:column;}.kadence-column_ade011-fe > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_ade011-fe > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_ade011-fe{position:relative;}@media all and (max-width: 1024px){.kadence-column_ade011-fe > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_ade011-fe > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_ade011-fe pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            <span>Transmissions with a modulated converter require a specific kind of fluid with friction modifiers to prevent the torque converter clutch from chattering during the controlled slip. If the wrong transmission fluid is used, a surging will be felt during the modulated slipping of the converter. On some vehicles, such as Crown Victorias, when the friction modifier element of the fluid loses its effectiveness, there&rsquo;ll be moments when it feels like you&rsquo;re driving over those little asphalt strips they put down right before you get to a stop sign. Changing the fluid usually corrects this chattering feeling.<\/span>\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Automatic Transmission Fluid<\/h3>\n\n\n\n<p>First of all, if you&rsquo;re doing the transmission service yourself, make sure you use the right fluid for that vehicle. CVT transmissions require a special kind of fluid that is usually different from the other types.<\/p>\n\n\n\n<p>Most vehicles in the US have an <a href=\"https:\/\/www.carparts.com\/blog\/a-short-course-on-automatic-transmissions\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"automatic transmission\">automatic transmission<\/a> and need <a href=\"https:\/\/www.carparts.com\/automatic-transmission-fluid\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"automatic transmission fluid\">automatic transmission fluid<\/a>. ATF lubricates the gears and prevents the transmission from overheating. Automatic vehicles generate more heat than manual vehicles, so ATF has greater heat resistance and thermal stability than other transmission fluids. This prevents the formation of sludge during high temperatures and prevents clutch glazing. ATF also functions as a hydraulic fluid that powers the transmission.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>First of all, if you&rsquo;re doing the transmission service yourself, make sure you use the right fluid for that vehicle. CVT transmissions require a special kind of fluid that is usually different from the other types.<\/p><cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<p>There are different types of ATF oils depending on grading and quality. Here are a few examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Dexron Automatic Transmission Fluid<\/strong>: Developed by General Motors (GM), Dexron is a synthetic-based ATF with improved antifoam quality, oxidation resistance, and fluid-nylon compatibility. It&rsquo;s one of the most common fluids in the market today.<\/li><li><strong>Mercon Automatic Transmission Fluid<\/strong>: Mercon is a highly friction-modified fluid used by most Ford, Lincoln, and Mercury vehicles. It was first developed by Ford before the company allowed other manufacturers to produce it according to their specifications.<\/li><li><strong>Multi-Vehicle Transmissions ATF<\/strong>: Multi-Vehicle is a synthetic-based fluid compatible with most automatic transmissions, including those that require earlier variants of Dexron fluid.<\/li><li><strong>Type F Transmission Fluid<\/strong>: Type F is a non-friction modified ATF used in early band-type automatic transmissions. It&rsquo;s mostly used for earlier Ford vehicles, especially those manufactured before the 1980s.<\/li><\/ul>\n\n\n\n<p>What is the best ATF oil for your vehicle? <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check the owner&rsquo;s manual\">Check the owner&rsquo;s manual<\/a>, where you&rsquo;ll find this information. Most manufacturers have specific recommendations for the vehicle&rsquo;s fluid type and change interval.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Manual Transmission Fluid<\/h3>\n\n\n\n<p>Nowadays, manual transmissions use different oils. Some use regular <a href=\"https:\/\/www.carparts.com\/motor-oil\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"motor oil\">motor oil<\/a>, while some even use ATF. However, earlier models with a manual transmission usually use manual transmission fluid. MTF is heavier, darker, and smells stronger than ATF. But again, some manual transaxles use ATF, so make sure you use the right fluid if you&rsquo;re filling a manual transmission or you may create issues.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/automatic-transmission-fluid-cap-1024x730.jpg\" alt=\"cover of an automatic transmission fluid reservoir\" class=\"wp-image-83575\" width=\"1024\" height=\"730\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/automatic-transmission-fluid-cap-1024x730.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/automatic-transmission-fluid-cap-300x214.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/automatic-transmission-fluid-cap-768x548.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/automatic-transmission-fluid-cap-150x107.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/automatic-transmission-fluid-cap.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Most vehicles in the US have an automatic transmission and need automatic transmission fluid, which lubricates the gears and prevents the transmission from overheating.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Transmission Fluid FAQs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">How Do You Know If You Need Transmission Fluid?<\/h3>\n\n\n\n<p>Contrary to popular belief, transmission fluid is not eternal. Over time, it can break down, become contaminated, or leak from the transmission system. It&rsquo;s important to check your vehicle&rsquo;s transmission system and look out for any signs that you need a fluid change.<\/p>\n\n\n\n<p>If you need a change in transmission fuel, you&rsquo;ll notice performance issues when shifting gears. You&rsquo;ll hear a chattering sound when starting the car and a roaring sound when you accelerate or suddenly change direction. You might even smell something burning. Another sign to look out for is a puddle under your car, which is most likely from a leak. If you notice any of these symptoms, be sure to check your transmission system as soon as possible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How Often Do You Need to Change Transmission Fluid?<\/h3>\n\n\n\n<p>For manual transmission fluid, most manufacturers recommend a change every 30,000 to 60,000 miles, but this can vary depending on vehicle use. Automatic transmission vehicles require less maintenance, as most manufacturers recommend a service interval of 60,000 to 100,000 miles. Some manufacturers (like Mercedes) never require a scheduled transmission fluid change.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What Happens When Transmission Fluid Is Low?<\/h3>\n\n\n\n<p>Low transmission fluid can cause transmission slipping, where the transmission slips out of gear and can no longer engage with the engine properly. This can damage the gears and increase wear on the clutch plates and bands.<\/p>\n\n\n\n<p>The first symptom you might notice if your transmission is low on ATF is that when the transmission is cold, it might take a few seconds to engage when you put it in gear.<\/p>\n\n\n<style>.kadence-column_23fc3d-47 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_23fc3d-47 > .kt-inside-inner-col,.kadence-column_23fc3d-47 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_23fc3d-47 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_23fc3d-47 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_23fc3d-47 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_23fc3d-47 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_23fc3d-47{position:relative;}@media all and (max-width: 1024px){.kadence-column_23fc3d-47 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_23fc3d-47 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_23fc3d-47 kb-section-dir-vertical kb-section-sm-dir-vertical pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>#kt-layout-id_95ac1c-54 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_95ac1c-54 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_95ac1c-54 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:32px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}#kt-layout-id_95ac1c-54 > .kt-row-layout-overlay{opacity:0.00;}#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep{height:100px;}#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep svg{width:100%;}#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}#kt-layout-id_95ac1c-54 .kt-row-layout-top-sep{height:100px;}#kt-layout-id_95ac1c-54 .kt-row-layout-top-sep svg{width:100%;}#kt-layout-id_95ac1c-54 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){#kt-layout-id_95ac1c-54 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){#kt-layout-id_95ac1c-54 > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep{height:px;}#kt-layout-id_95ac1c-54 .kt-row-layout-bottom-sep svg{width:%;}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone pro-tip-wrap\"><div id=\"kt-layout-id_95ac1c-54\" class=\"kt-row-layout-inner kt-layout-id_95ac1c-54\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-none kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-right-golden kt-m-colapse-left-to-right kt-mobile-layout-right-golden  kt-custom-first-width-10  kt-custom-second-width-90\"><style>.kadence-column_0783ea-99 > .kt-inside-inner-col{display:flex;}.kadence-column_0783ea-99 > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_0783ea-99 > .kt-inside-inner-col,.kadence-column_0783ea-99 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_0783ea-99 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column_0783ea-99 > .kt-inside-inner-col > *, .kadence-column_0783ea-99 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_0783ea-99 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_0783ea-99 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column_0783ea-99 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_0783ea-99{position:relative;}@media all and (max-width: 1024px){.kadence-column_0783ea-99 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column_0783ea-99 > .kt-inside-inner-col > *, .kadence-column_0783ea-99 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_0783ea-99 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_0783ea-99 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column_0783ea-99 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column_0783ea-99 > .kt-inside-inner-col > *, .kadence-column_0783ea-99 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column_0783ea-99 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column_0783ea-99 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_0783ea-99 kb-section-dir-horizontal kb-section-md-dir-horizontal pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image_956b2f-a2.kb-image-is-ratio-size, .kb-image_956b2f-a2 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image_956b2f-a2.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image_956b2f-a2 .kb-image-is-ratio-size{align-self:unset;}.kb-image_956b2f-a2 figure{max-width:45px;}.kb-image_956b2f-a2 .image-is-svg, .kb-image_956b2f-a2 .image-is-svg img{width:100%;}.kb-image_956b2f-a2 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image_956b2f-a2\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column_d60baf-c5 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_d60baf-c5 > .kt-inside-inner-col,.kadence-column_d60baf-c5 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_d60baf-c5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_d60baf-c5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_d60baf-c5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_d60baf-c5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_d60baf-c5{position:relative;}@media all and (max-width: 1024px){.kadence-column_d60baf-c5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_d60baf-c5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_d60baf-c5 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            <span>If you find that the transmission suddenly neutralizes and stops pulling during a sharp turn, the fluid is likely to be low. When you fill an automatic transmission, keep in mind that ATF expands with heat, and so you&rsquo;ll see a higher fluid level on the dipstick with a hot transmission than when the transmission is cold, so it&rsquo;s easy to either overfill or underfill a transmission.<\/span>\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Can I Drive Without Transmission Fluid?<\/h3>\n\n\n\n<p>Low transmission fluid won&rsquo;t stall your vehicle, but even if you can still drive, it&rsquo;s not a good idea to do so. You might get a few miles in if you&rsquo;re driving a manual vehicle, but an automatic vehicle likely won&rsquo;t run. Without ATF, an automatic transmission&rsquo;s gears won&rsquo;t spin, and the vehicle won&rsquo;t be able to move.<\/p>\n\n\n\n<p>Remember that in order for an automatic transmission to work at all, it needs fluid pressure, and without fluid, there&rsquo;s no pressure. A clogged transmission filter can also cause the transmission to slip or stop pulling.<\/p>\n\n\n\n<p>If your vehicle runs out of transmission fluid completely, you won&rsquo;t be able to drive it. Repairing your transmission system can be costly, so it&rsquo;s best not to let your vehicle get to this point.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What Is a Transmission Flush?<\/h3>\n\n\n\n<p>A transmission flush refers to the process of removing old fluid in the gearbox and filling it with new fluid. This differs from a transmission fluid change, which doesn&rsquo;t require the owner to completely drain their transmission so there&rsquo;s a mixture of old and new fluid.<\/p>\n\n\n\n<p>A transmission flush improves the lifespan and performance of your transmission by removing sludge and other contaminants in the fluid. It&rsquo;s a relatively fast procedure that only takes an hour or less to complete.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Whether you drive an automatic or manual vehicle, its transmission relies on transmission fluid to run smoothly. It&rsquo;s important to&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/what-is-transmission-fluid-and-other-faqs\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":83573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3748],"tags":[2151],"ppma_author":[2607,2985],"class_list":{"0":"post-83502","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-transmission","9":"tag-automatic-transmission-fluid-2","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is Transmission Fluid? And Other FAQs - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"What is transmission fluid? What does it do, and what are the different types? Learn the answers to these questions in this article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/what-is-transmission-fluid-and-other-faqs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is Transmission Fluid? And Other FAQs - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"What is transmission fluid? What does it do, and what are the different types? Learn the answers to these questions in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/what-is-transmission-fluid-and-other-faqs\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-19T02:22:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-27T09:01:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/old-transmission-fluid.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"998\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/what-is-transmission-fluid-and-other-faqs\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/what-is-transmission-fluid-and-other-faqs\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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