{"id":40205,"date":"2021-06-18T00:28:43","date_gmt":"2021-06-18T07:28:43","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=40205"},"modified":"2025-05-22T20:15:58","modified_gmt":"2025-05-23T03:15:58","slug":"bad-torque-converter-symptoms-diagnosis-repair-faqs","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/","title":{"rendered":"Bad Torque Converter: Symptoms, Diagnosis, Repair 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\"> 8<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column40205_65b6cc-50 > .kt-inside-inner-col,.kadence-column40205_65b6cc-50 > .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-column40205_65b6cc-50 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column40205_65b6cc-50 > .kt-inside-inner-col{flex-direction:column;}.kadence-column40205_65b6cc-50 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column40205_65b6cc-50 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column40205_65b6cc-50{position:relative;}@media all and (max-width: 1024px){.kadence-column40205_65b6cc-50 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column40205_65b6cc-50 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column40205_65b6cc-50 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-02201d  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ca0818\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading40205_b40a6c-a5, .wp-block-kadence-advancedheading.kt-adv-heading40205_b40a6c-a5[data-kb-block=\"kb-adv-heading40205_b40a6c-a5\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading40205_b40a6c-a5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading40205_b40a6c-a5[data-kb-block=\"kb-adv-heading40205_b40a6c-a5\"] 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-heading40205_b40a6c-a5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading40205_b40a6c-a5[data-kb-block=\"kb-adv-heading40205_b40a6c-a5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading40205_b40a6c-a5 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading40205_b40a6c-a5\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The torque converter increases pulling power by multiplying engine torque during acceleration.<\/li>\n\n\n\n<li>Common symptoms of a faulty torque converter include an illuminated check engine light, overheating, stalling, vibrations, strange noises, and additional engine performance issues.<\/li>\n\n\n\n<li>You can check the torque converter for issues with a stall speed test or by brake torquing if you know how.<\/li>\n\n\n\n<li>A bad torque converter can cause damage to the transmission, and it usually requires replacement instead of repair.<\/li>\n\n\n\n<li>Some of the common causes of a bad torque converter include high mileage, dirty transmission fluid, stripped internal splines, and damaged needle bearings.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>All traditional automatic transmissions rely on a torque converter located between the engine and the transmission. Because the torque converter is out of sight and out of mind, it&rsquo;s often forgotten until problems start to arise.<\/p>\n\n\n\n<p>If your car&rsquo;s torque converter is going out, you&rsquo;ll likely notice one or more troubling symptoms. You&rsquo;ll want to address the issue as soon as possible to avoid potentially damaging the transmission.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does a Torque Converter Do?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"623\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts-1024x623.png\" alt=\"torque converter parts\" class=\"wp-image-73853\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts-1024x623.png 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts-300x182.png 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts-768x467.png 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts-1536x934.png 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts.png 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/torque-converter-parts-150x91.png 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The primary components that make up a torque converter (from left to right): the front cover, clutch, turbine, stator, and impeller.<\/figcaption><\/figure>\n\n\n\n<p>Traditional automatics and most continuously variable transmissions rely on a fluid coupling device called a torque converter. The torque converter keeps the vehicle from stalling when coming to a stop. In addition, the torque converter multiplies engine torque under acceleration to increase pulling power.<\/p>\n\n\n\n<p>You&rsquo;ll find the torque converter located between the engine and the transmission.<\/p>\n\n\n\n<p>Five primary components&mdash;the impeller, stator, turbine, clutch, and front cover&mdash;make up the converter assembly. When the vehicle is running, the impeller is driven by the engine and acts as a centrifugal pump. The impeller forces fluid outward toward the turbine, which is connected to the transmission&rsquo;s input shaft, causing the turbine to spin.<\/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<p>The stator, which is supported by a one-way clutch, is positioned between the impeller and the turbine. When the stator is &ldquo;locked&rdquo; (and engine speed is above idle), it directs fluid flow between the impeller and turbine in such a way that a significant amount of centrifugal force is available to act on the turbine. As a result, engine torque is multiplied. The difference between impeller speed and turbine speed also forces the vehicle to start moving.<\/p>\n\n\n\n<p>Once impeller speed and turbine speed are about the same, the direction of the fluid flow changes, and the converter begins to enter its &ldquo;coupling&rdquo; phase. The change in fluid flow causes the one-way clutch to release, allowing the stator to spin freely. At this point, engine torque is no longer multiplied.<\/p>\n\n\n\n<p>Also, the torque converter allows the vehicle to come to a stop without stalling. This is possible because, when engine speed is low, the impeller turns slowly and produces minimal centrifugal force.<\/p>\n\n\n\n<p>All modern torque converters have a lockup clutch positioned between the turbine and front cover. The clutch eliminates the energy-wasting slippage within the torque converter by creating a mechanical connection between the engine and the transmission. However, since about 1989, just about all torque converter clutches are modulated by percentage so that they have a controlled slip until they fully lock at 100%. When conditions are correct, the clutch, which is splined to the turbine, presses against the converter cover to create the connection. The modulated torque converters require special fluid with friction modifiers to prevent surging during the modulated slip of the converter clutch.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>The modulated torque converters require special fluid with friction modifiers to prevent surging during the modulated slip of the converter clutch.<\/p>\n<cite><em>&ndash;&nbsp;<\/em><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<p>Hydraulic fluid is used to apply the torque converter clutch. A computer&mdash;often referred to as the <a href=\"https:\/\/www.carparts.com\/transmission-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission control module (TCM)\">transmission control module (TCM)<\/a>&mdash;looks at data from <a href=\"https:\/\/www.carparts.com\/blog\/car-engine-sensors\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"various sensors\">various sensors<\/a> to determine when to apply the clutch. Once the TCM has deemed conditions are correct, it operates a solenoid valve to allow fluid flow to activate the converter clutch.<\/p>\n\n\n\n    <div class=\"ai-summary-widget\">\n\n        <div class=\"ai-summary-grid\">\n\n            <div>\n                <div class=\"ai-avatar\">\n                    <figure>\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/ai-summary\/ai-bot\" alt=\"AI robot\">\n                    <\/figure>\n                    <span>ELI5<\/span>\n                <\/div>\n            <\/div>\n            <div>\n                <p>A torque converter is like a magic spinning fan that helps your car move and stop without turning off. It sits between the engine and transmission and has spinning parts that push fluid to make the car go. The stator helps give extra power so the car can pull harder when needed. When the car slows down, the torque torque converter lets the car stop without turning off. A special clutch saves energy by connecting the engine and transmission. A computer controls when the clutch works.<\/p>    \n            <\/div>\n\n        <\/div>\n\n        <div class=\"ai-summary-tooltip\">   \n            <p>Not everyone is an auto repair expert. <strong>ELI5 (&ldquo;Explain Like I&rsquo;m Five&rdquo;)<\/strong> provides layperson-friendly explanations of complex automotive concepts, systems, &amp; parts, so you can fully understand their importance. Great for casual car owners and DIY beginners! Powered by AI.<\/p>\n        <\/div>\n\n    <\/div>\n\n\n\n<p>The video below covers torque converter operation:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How Does a Torque Converter Work?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/pTfipsejqS0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Common Signs Of a Bad Torque Converter<\/h2>\n\n\n\n<p>If your car&rsquo;s torque converter starts to fail, you&rsquo;ll likely notice one or more of the following symptoms:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Illuminated Check Engine Light<\/h3>\n\n\n\n<p>On modern vehicles, the TCM monitors torque converter operation. If the module detects a problem with the converter or its control circuitry, the device will turn on the <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check engine light\">check engine light<\/a> and store a <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"diagnostic trouble code (DTC)\">diagnostic trouble code (DTC)<\/a> in its memory. Some vehicles may also turn on a separate <a href=\"https:\/\/www.carparts.com\/blog\/what-does-the-transmission-warning-light-mean-common-causes\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission warning light\">transmission warning light<\/a> when there&rsquo;s a problem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Shuddering<\/h3>\n\n\n\n<p>Torque converter shudder is a common problem that results in a vibration before or after torque converter clutch lockup. On older vehicles, the vibration was usually felt around 40 to 50 MPH, when lockup took place. But many late-model vehicles gradually apply the torque converter clutch, so the shuddering may happen at different speeds.<\/p>\n\n\n\n<p>Since the torque converter is modulated, a simple fluid change may fix this; again, the fluid has a friction modifier in it specifically to prevent this shuddering, which may sometimes feel like an engine surge.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stalling<\/h3>\n\n\n\n<p>If the torque converter clutch fails to release, the <a href=\"https:\/\/www.carparts.com\/blog\/car-shuts-off-while-driving-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"vehicle may stall\">vehicle may stall<\/a> when coming to a stop. The problem will feel much like a manual transmission vehicle stopping with the clutch engaged (pedal released).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Abnormal Noise<\/h3>\n\n\n\n<p>Worn needle bearings inside of the torque converter can create a whirring noise that coincides with engine speed. The noise is typically present when the transmission is in gear. In neutral, the sound tends to go away.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Additional Performance Problems<\/h3>\n\n\n\n<p>A faulty torque converter can lead to a variety of issues that might seem like engine performance problems. For example, if the stator&rsquo;s one-way clutch is freewheeling, the vehicle may suffer from <a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-accelerate-properly-when-i-push-the-gas-causes\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"poor acceleration\">poor acceleration<\/a> from a stop. On the other hand, if the one-way clutch is locked, the vehicle may exhibit a lack of power at highway speeds.<\/p>\n\n\n\n<p>The converter clutch can also cause problems. If the clutch fails to engage, it can increase <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> and reduce fuel economy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How To Tell If a Torque Converter Is Bad<\/h2>\n\n\n\n<p>In some cases, you can check the health of the torque converter by performing a stall speed test. The test involves putting the vehicle in gear with the brake pedal depressed and the park brake fully locked, pressing the accelerator pedal to the floor, and noting the maximum engine speed attainable during that test (stall speed) on the dashboard.<\/p>\n\n\n\n<p>A stall speed that&rsquo;s higher than specification indicates an internal transmission problem. Meanwhile, a stall speed that&rsquo;s lower than specification points to either a defective torque converter or an engine performance problem.<\/p>\n\n\n\n<p>Unfortunately, torque converter stall testing is not recommended for all vehicles. Consult a <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manual or repair database\">repair manual or repair database<\/a> to see if stall speed testing is possible for your application.<\/p>\n\n\n\n<p>Professionals typically test the torque converter clutch by driving the vehicle with an OEM-level scan tool connected to the onboard diagnostic port. The torque converter clutch data on the tool will usually indicate when and\/or how much the clutch is applied. On some vehicles, the scan tool can also be used to directly activate the converter clutch. Converter clutch engagement should happen smoothly with minimal slippage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Causes of a Faulty Torque Converter<\/h2>\n\n\n\n<p>Most torque converters last for a vehicle&rsquo;s lifetime, but certain factors can cause this part to wear and fail prematurely. Here are the common causes of a faulty torque converter:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">High Mileage<\/h3>\n\n\n\n<p>As your vehicle accumulates more miles, the torque converter experiences more wear. This means a vehicle with high mileage is more likely to show signs of a bad torque converter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Overheating<\/h3>\n\n\n\n<p>If the cooling system malfunctions, the torque converter might be close behind. A faulty cooling system can lead to <a href=\"https:\/\/www.carparts.com\/blog\/what-type-of-damage-to-expect-from-an-overheating-car\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"overheating\">overheating<\/a>, which can damage the torque converter&rsquo;s components.<\/p>\n\n\n\n<p>Worn-out seals in the transmission can also cause transmission fluid leakage, leading to overheating.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dirty Transmission Fluid<\/h3>\n\n\n\n<p>Automatic transmissions typically need a transmission fluid change every 60,000 to 100,000 miles. Ignoring the manufacturer&rsquo;s recommended service interval can cause the <a href=\"https:\/\/www.carparts.com\/blog\/how-to-check-automatic-transmission-fluid\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"transmission fluid to become dirty\">transmission fluid to become dirty<\/a>. When this happens, the transmission fluid won&rsquo;t be able to efficiently lubricate the torque converter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Damaged Needle Bearings<\/h3>\n\n\n\n<p>The torque converter consists of needle bearings that allow it to rotate and transfer power smoothly. Unfortunately, these needle bearings can wear over time, resulting in a grinding or whining noise. When left unresolved, these worn bearings can damage the torque converter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Worn Clutch Lining<\/h3>\n\n\n\n<p>When the torque converter&rsquo;s clutch lining wears, it won&rsquo;t be able to engage and disengage the gearbox properly. This can cause the transmission to slip and the torque converter to fail.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Malfunctioning Torque Converter Solenoid<\/h3>\n\n\n\n<p>When the <a href=\"https:\/\/www.carparts.com\/torque-converter-clutch-solenoid\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"torque converter solenoid\">torque converter solenoid<\/a> malfunctions, the torque converter clutch won&rsquo;t receive enough transmission fluid. This can prevent the torque converter from properly engaging and disengaging the gears.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">An In-Depth Look at the Torque Converter<\/h2>\n\n\n\n<p>The outer shell of the torque converter bolts to the engine flywheel on its front side and in the center on the back side. It has ears or flats that drive the transmission oil pump. Inside the shell of the converter are impeller vanes that force fluid against matching vanes on a turbine, which moves freely inside the torque converter shell and is splined to the transmission input (turbine) shaft.<\/p>\n\n\n\n<p>Between the impeller on the shell and the turbine, there is a &ldquo;stator&rdquo; which is a circular plate with slanted blades riding on needle bearings. At its center is a one-way clutch and the center of the stator is splined onto the &ldquo;stator support&rdquo; which is around the turbine shaft and is part of the transmission oil pump housing.<\/p>\n\n\n\n<p>This stator redirects fluid that has been driven into the turbine so it re-enters the impeller with maximum force; thus, it multiplies torque.<\/p>\n\n\n\n<p>As the turbine speed matches the impeller speed, the stator&rsquo;s one-way clutch allows it to rotate freely on its needle bearings along with the larger impeller and turbine.<\/p>\n\n\n\n<p>Lockup converters typically have a clutch that modulates from a full slip to full lockup by percentages. When direct drive is commanded, the turbine shaft will be locked to the outer shell of the torque converter to maximize fuel economy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Torque Converter FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1653619800659\"><strong class=\"schema-faq-question\">Can a bad torque converter damage the transmission?<\/strong> <p class=\"schema-faq-answer\">Absolutely. A faulty torque converter can cause the transmission to overheat, resulting in extensive internal damage. What&rsquo;s more, debris from a faulty converter can cause problems by circulating throughout the transmission.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1653619810216\"><strong class=\"schema-faq-question\"> Can a torque converter be repaired? <\/strong> <p class=\"schema-faq-answer\">While there are companies that specialize in overhauling torque converters, the practice is rather uncommon. Very few repair shops will attempt to rebuild a torque converter&mdash;replacement is usually the only option.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1653619819760\"><strong class=\"schema-faq-question\">Can you replace a torque converter without removing the transmission?<\/strong> <p class=\"schema-faq-answer\">No. The transmission must be removed to access and replace the torque converter.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1653619832878\"><strong class=\"schema-faq-question\">Will a bad torque converter throw a code?<\/strong> <p class=\"schema-faq-answer\">Sometimes, but not always. Most torque converter-related codes have to do with the torque converter clutch. Other issues with the converter are less likely to set a code.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Other Notes About Torque Converter<\/h2>\n\n\n\n<p>Here are some generic codes related to the torque converter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p0740-code-torque-converter-clutch-solenoid-circuit-open-circuit-malfunction\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P0740 Torque Converter Clutch Circuit\/Open\">P0740 Torque Converter Clutch Circuit\/Open<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p0741-torque-converter-clutch-solenoid-circuit-performance-stuck-off\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P0741 Torque Converter Clutch Circuit Performance\/Stuck Off\">P0741 Torque Converter Clutch Circuit Performance\/Stuck Off<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p0742-code-torque-converter-clutch-circuit-stuck-on\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P0742 Torque Converter Clutch Circuit Stuck On\">P0742 Torque Converter Clutch Circuit Stuck On<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p0743-code-torque-converter-clutch-solenoid-circuit-electrical\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P0743 Torque Converter Clutch Circuit Electrical\">P0743 Torque Converter Clutch Circuit Electrical<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p0744-code-torque-converter-clutch-circuit-intermittent\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P0744 Torque Converter Clutch Circuit Intermittent\">P0744 Torque Converter Clutch Circuit Intermittent<\/a><\/li>\n\n\n\n<li>P2756 Torque Converter Clutch Pressure Control Solenoid<\/li>\n\n\n\n<li>P2757 Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance\/Stuck Off<\/li>\n\n\n\n<li>P2758 Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On<\/li>\n\n\n\n<li>P2759 Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical<\/li>\n\n\n\n<li>P2760 Torque Converter Clutch Pressure Control Solenoid Control Circuit Intermittent<\/li>\n\n\n\n<li>P2761 Torque Converter Clutch Pressure Control Solenoid Control Circuit\/Open<\/li>\n\n\n\n<li>P2762 Torque Converter Clutch Pressure Control Solenoid Control Circuit Range\/Performance<\/li>\n\n\n\n<li>P2763 Torque Converter Clutch Pressure Control Solenoid Control Circuit High<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p2764-code-torque-converter-clutch-pressure-control-solenoid-control-circuit-low\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P2764 Torque Converter Clutch Pressure Control Solenoid Control Circuit Low\">P2764 Torque Converter Clutch Pressure Control Solenoid Control Circuit Low<\/a><\/li>\n\n\n\n<li>P2769 Torque Converter Clutch Circuit Low<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/p2770-code-torque-converter-clutch-circuit-high\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P2770 Torque Converter Clutch Circuit High\">P2770 Torque Converter Clutch Circuit High<\/a><\/li>\n\n\n\n<li>P2783 Torque Converter Temperature Too High<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Getting a Replacement Torque Converter that Fits Your Car<\/h2>\n\n\n\n<p>You might not immediately notice or recognize the torque converter, but older automatic transmissions rely on it. If the converter fails and locks up with the clutch, your vehicle might shudder, stall while braking, or overheat. Fortunately, a quality torque converter is only a few clicks away here at CarParts.com.<\/p>\n\n\n\n<p>Here at CarParts.com, we eliminate the need to play a guessing game with the compatibility of auto parts. We give accurate and detailed information on our product fitment, and our website&rsquo;s integrated vehicle selector makes it easy to find the right part. Ordering only takes several clicks, and our ready-to-ship products can reach your home in as quick as two business days.<\/p>\n\n\n\n<p>Browse our selection of <a href=\"https:\/\/www.carparts.com\/torque-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"torque converters\">torque converters<\/a> here at CarParts.com and shop now.<\/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\"> 8<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>All traditional automatic transmissions rely on a torque converter located between the engine and the transmission. Because the torque converter&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1643,"featured_media":40208,"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":[1215],"ppma_author":[2622,2985],"class_list":{"0":"post-40205","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-transmission","9":"tag-torque-converter","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bad Torque Converter: Symptoms, Diagnosis, Repair FAQs - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"How do you know if you have a faulty torque converter? Here are the 6 most common symptoms plus how to check your vehicle. Read on for 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-torque-converter-symptoms-diagnosis-repair-faqs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bad Torque Converter: Symptoms, Diagnosis, Repair FAQs - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"How do you know if you have a faulty torque converter? Here are the 6 most common symptoms plus how to check your vehicle. Read on for more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-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=\"2021-06-18T07:28:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-23T03:15:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/mechanic-cleaning-torque-converter-1024x699.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"699\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia Bevacqua, ASE Certified Master Automobile Technician, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\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=\"Mia Bevacqua, ASE Certified Master Automobile Technician\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 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-torque-converter-symptoms-diagnosis-repair-faqs\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-torque-converter-symptoms-diagnosis-repair-faqs\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1643\",\"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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What\u2019s more, debris from a faulty converter can cause problems by circulating throughout the transmission.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/#faq-question-1653619810216","position":2,"url":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/#faq-question-1653619810216","name":"Can a torque converter be repaired?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"While there are companies that specialize in overhauling torque converters, the practice is rather uncommon. Very few repair shops will attempt to rebuild a torque converter\u2014replacement is usually the only option.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/#faq-question-1653619819760","position":3,"url":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/#faq-question-1653619819760","name":"Can you replace a torque converter without removing the transmission?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. The transmission must be removed to access and replace the torque converter.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/#faq-question-1653619832878","position":4,"url":"https:\/\/www.carparts.com\/blog\/bad-torque-converter-symptoms-diagnosis-repair-faqs\/#faq-question-1653619832878","name":"Will a bad torque converter throw a code?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Sometimes, but not always. Most torque converter-related codes have to do with the torque converter clutch. 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