{"id":42700,"date":"2021-08-12T01:29:18","date_gmt":"2021-08-12T08:29:18","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=42700"},"modified":"2023-09-15T19:52:13","modified_gmt":"2023-09-16T02:52:13","slug":"bad-transmission-filter-symptoms-plus-faq","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/bad-transmission-filter-symptoms-plus-faq\/","title":{"rendered":"Bad Transmission Filter Symptoms, Plus FAQ"},"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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_6a3cc2-ec > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_6a3cc2-ec > .kt-inside-inner-col,.kadence-column_6a3cc2-ec > .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_6a3cc2-ec > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_6a3cc2-ec > .kt-inside-inner-col{flex-direction:column;}.kadence-column_6a3cc2-ec > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_6a3cc2-ec > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_6a3cc2-ec{position:relative;}@media all and (max-width: 1024px){.kadence-column_6a3cc2-ec > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_6a3cc2-ec > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_6a3cc2-ec qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-65d87b  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ab2adf\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_567ea8-90, .wp-block-kadence-advancedheading.kt-adv-heading_567ea8-90[data-kb-block=\"kb-adv-heading_567ea8-90\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_567ea8-90 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_567ea8-90[data-kb-block=\"kb-adv-heading_567ea8-90\"] 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_567ea8-90 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_567ea8-90[data-kb-block=\"kb-adv-heading_567ea8-90\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_567ea8-90 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_567ea8-90\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The common symptoms of an obstructed transmission filter include abnormal shifting, noises from the transmission pump, and contaminated transmission fluid.<\/li><li>The PCM will also illuminate the check engine light and record a diagnostic trouble code (DTC) if it detects a transmission issue caused by low fluid pressure.<\/li><li>The symptoms could vary depending on the vehicle&rsquo;s year, make, and model.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Automatic transmissions have a transmission filter (or strainer) that traps contaminants and debris before they circulate throughout the transmission. On many vehicles, the filter is a maintenance item that requires routine replacement.<\/p>\n\n\n\n<p>If the filter is not serviced in accordance with the vehicle manufacturer&rsquo;s maintenance schedule, it may eventually become obstructed, resulting in one or more noticeable symptoms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Does a Transmission Filter Work?<\/h2>\n\n\n\n<p>All automatic transmissions have a filter made of paper and\/or synthetic materials (or a strainer made from woven metal). The filter is located in the transmission fluid pan and positioned at the transmission pump&rsquo;s inlet.<\/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\/2021\/08\/automatic-transmission-filter-1024x683.jpg\" alt=\"automatic transmission filter\" class=\"wp-image-42702\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/automatic-transmission-filter-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/automatic-transmission-filter-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/automatic-transmission-filter-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/automatic-transmission-filter-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/automatic-transmission-filter-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/automatic-transmission-filter.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The automatic transmission filter is important because it traps contaminants so that they do not enter the pump and get distributed throughout the transmission.<\/figcaption><\/figure>\n\n\n\n<p>When the vehicle&rsquo;s engine is running, the pump, which is driven off the engine by the <a href=\"https:\/\/www.carparts.com\/torque-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"torque converter\">torque converter<\/a>, starts pulling fluid from the pan through the filter. From there, the pump pressurizes the fluid and distributes it to the various passages in the transmission&rsquo;s valve body. The pressurized fluid acts on the control devices (clutches and bands) that cause the transmission to shift gears.<\/p>\n\n\n\n<p>The transmission filter is important because it traps contaminants so that they do not enter the pump and get distributed throughout the transmission. Unfortunately, the role of the transmission filter makes it susceptible to obstruction from dirt and debris.<\/p>\n\n\n\n<p>When the filter becomes obstructed, the pump will be starved of fluid, resulting in a low fluid pressure condition inside the transmission.<\/p>\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<h2 class=\"wp-block-heading\">Clogged Transmission Filter Symptoms<\/h2>\n\n\n\n<p>Many other problems can mimic an obstructed transmission filter. What&rsquo;s more, filters often become clogged due to internal transmission problems that result in excessive debris. So, you (or your mechanic) should diagnose the vehicle thoroughly before assuming the filter is to blame for any of the symptoms listed below.<\/p>\n\n\n\n<p>With that in mind, let&rsquo;s take a look at the most common symptoms of a clogged transmission filter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Abnormal Shifting<\/h3>\n\n\n\n<p>One of the most common signs of a clogged transmission filter is abnormal shifting. Automatic transmissions often begin to &ldquo;slip&rdquo; when one or more of the control devices fail to hold due to low fluid pressure. This slippage results in an increase in <a href=\"https:\/\/www.carparts.com\/blog\/what-does-car-rpm-stand-for\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"engine RPMs\">engine RPMs<\/a> without an increase in vehicle speed. You may also notice other shift quality issues if the transmission filter is clogged.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Noise from the Transmission Pump<\/h3>\n\n\n\n<p>An obstructed transmission filter can starve the pump of fluid, causing the pump to make a whining noise that coincides with engine speed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Burnt or Contaminated Transmission Fluid<\/h3>\n\n\n\n<p>If the filter is obstructed, the transmission will experience overheating due to lack of lubrication. As a result, the fluid will often be dark in color and smell burnt. Once the transmission pan is removed, you may also find signs of excessive friction material and\/or metal debris in the bottom of the pan.<\/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\/2021\/08\/aftermarket-transmission-filter-1024x683.jpg\" alt=\"aftermarket transmission filter\" class=\"wp-image-42701\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/aftermarket-transmission-filter-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/aftermarket-transmission-filter-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/aftermarket-transmission-filter-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/aftermarket-transmission-filter-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/aftermarket-transmission-filter-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/aftermarket-transmission-filter.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>If the transmission filter is obstructed, it will experience overheating due to lack of lubrication, and may cause the fluid to be dark in color and have a burnt smell.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Illuminated Warning Lights<\/h3>\n\n\n\n<p>On modern vehicles, the transmission control module (TCM) monitors transmission operation. If the module detects a problem with the transmission due to low fluid pressure, the device will <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"turn on the check engine light\">turn on the check engine light<\/a> and store a diagnostic trouble code (DTC) in its memory. Some vehicles may also turn on a separate transmission warning light when there&rsquo;s a problem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Transmission Filter FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1653618937091\"><strong class=\"schema-faq-question\">How to Unclog a Transmission Filter <\/strong> <p class=\"schema-faq-answer\">A transmission filter cannot be unclogged&mdash;it must be replaced. The good news is, replacing a transmission filter or transmission strainer is generally a fairly inexpensive and straightforward repair, as long as there hasn&rsquo;t been any subsequent damage to the transmission.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1653618939093\"><strong class=\"schema-faq-question\">How Much Does it Cost to Fix a Clogged Transmission Filter? <\/strong> <p class=\"schema-faq-answer\">As is noted above, a clogged transmission filter must be replaced. A professional repair shop will typically replace the filter as part of a transmission service. Usually, the service will cost somewhere <strong>between $150 and $300<\/strong>. Of course, the exact cost will vary depending on a variety of factors, such as the year, make, and model of your vehicle.<br><br>Also, it&rsquo;s important to point out that the transmission may have suffered internal damage as a result of the clogged filter. In such a scenario, the transmission will either need to be rebuilt or replaced&mdash;and that can cost thousands of dollars.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Get a Top-Notch Transmission Filter for Your Ride<\/h2>\n\n\n\n<p>A clogged transmission filter can cause issues like abnormal shifting and transmission fluid contamination, which can lead to a plethora of problems that are hard to fix. If yours is clogged or obstructed, don&rsquo;t think twice about replacing it. Find and order a new transmission filter for your ride in minutes here at CarParts.com.<\/p>\n\n\n\n<p>Simply go to&nbsp; <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a> and enter your ride&rsquo;s year, make, and model into our vehicle selector to view compatible transmission filters. Our filters are available at unbeatable prices to give you the best value for your money. We source them from top industry brands, so you can be sure they&rsquo;ll perform like your factory filter.<\/p>\n\n\n\n<p>Order now, and get your transmission filter in as fast as a few days. Our warehouses are strategically located across the country to ensure fast and efficient shipping. If you aren&rsquo;t satisfied with your purchase, we implement a 60-day return policy that guarantees you get your money back. We have a round-the-clock customer service team ready to assist you.&nbsp;<br>Don&rsquo;t put off replacing your clogged transmission filter. Take a look at our selection of <a href=\"https:\/\/www.carparts.com\/automatic-transmission-filter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission filters\">transmission filters<\/a> today!<\/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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Automatic transmissions have a transmission filter (or strainer) that traps contaminants and debris before they circulate throughout the transmission. On&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/bad-transmission-filter-symptoms-plus-faq\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":29,"featured_media":42703,"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":[1385],"ppma_author":[2622],"class_list":{"0":"post-42700","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-filter","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bad Transmission Filter Symptoms, Plus FAQ - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Automatic transmissions have a transmission filter that may cause noticeable symptoms if it becomes obstructed. Read on to find out more.\" \/>\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\/bad-transmission-filter-symptoms-plus-faq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bad Transmission Filter Symptoms, Plus FAQ - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Automatic transmissions have a transmission filter that may cause noticeable symptoms if it becomes obstructed. Read on to find out more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/bad-transmission-filter-symptoms-plus-faq\/\" \/>\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=\"2021-08-12T08:29:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-16T02:52:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/transmission-filter-of-a-vehicle.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1069\" \/>\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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-transmission-filter-symptoms-plus-faq\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-transmission-filter-symptoms-plus-faq\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"29\",\"name\":\"Mia Bevacqua\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Mia Bevacqua has over 14 years of experience in the auto industry and holds a bachelor\u2019s degree in Advanced Automotive Systems. 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