{"id":136616,"date":"2025-04-14T20:30:11","date_gmt":"2025-04-15T03:30:11","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=136616"},"modified":"2025-04-14T20:52:35","modified_gmt":"2025-04-15T03:52:35","slug":"power-steering-cooler-what-it-is-how-it-works-and-more","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/power-steering-cooler-what-it-is-how-it-works-and-more\/","title":{"rendered":"Power Steering Cooler: What It Is, How It Works, and More"},"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-column136616_01eb25-6f > .kt-inside-inner-col,.kadence-column136616_01eb25-6f > .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-column136616_01eb25-6f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column136616_01eb25-6f > .kt-inside-inner-col{flex-direction:column;}.kadence-column136616_01eb25-6f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column136616_01eb25-6f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column136616_01eb25-6f{position:relative;}@media all and (max-width: 1024px){.kadence-column136616_01eb25-6f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column136616_01eb25-6f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column136616_01eb25-6f inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-70a5f4  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-43ba7e\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading136616_761e14-a3, .wp-block-kadence-advancedheading.kt-adv-heading136616_761e14-a3[data-kb-block=\"kb-adv-heading136616_761e14-a3\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading136616_761e14-a3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading136616_761e14-a3[data-kb-block=\"kb-adv-heading136616_761e14-a3\"] 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-heading136616_761e14-a3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading136616_761e14-a3[data-kb-block=\"kb-adv-heading136616_761e14-a3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading136616_761e14-a3 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading136616_761e14-a3\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The power steering cooler lowers the power steering fluid&rsquo;s temperature to prevent overheating.<\/strong><\/li>\n\n\n\n<li>It uses its position and conduction to pull the heat away from the fluid and dissipate it into its surroundings.<\/li>\n\n\n\n<li>Some signs of a bad power steering cooler include unresponsive steering, power steering fluid leaks, strange noises, and a lit power steering warning light.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/power-steering-fluid\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Power steering fluid\">Power steering fluid<\/a> is crucial for a car&rsquo;s steering system. It facilitates smooth turning by transmitting hydraulic pressure and lubricating the moving parts. It&rsquo;s why you&rsquo;ll likely face steering issues if your steering fluid is at a low level.<\/p>\n\n\n\n<p>One component that helps prevent all this from happening is the power steering cooler.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is a Power Steering Cooler?<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/power-steering-cooler\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"power steering cooler\">power steering cooler<\/a> lowers the power steering fluid&rsquo;s temperature to prevent overheating. It maintains optimal fluid viscosity, which helps keep power steering components in great condition.<\/p>\n\n\n\n<p>Power steering fluid can become hot during certain driving conditions, such as towing, off-roading, or driving in hot climates. If it gets too hot, it can negatively affect performance and even damage the power steering pump and other related auto parts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Does a Power Steering Cooler Work?<\/h2>\n\n\n\n<p>Power steering coolers keep the power steering fluid cool, thanks to its position inside the vehicle and with the help of a conduction.<\/p>\n\n\n\n<p>The cooler is typically in front of the <a href=\"https:\/\/www.carparts.com\/radiator\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"radiator\">radiator<\/a> or <a href=\"https:\/\/www.carparts.com\/a-c-condenser\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"AC condenser\">AC condenser<\/a> for maximum airflow. Heat moves from the power steering fluid to the cooler&rsquo;s metal surfaces as the fluid flows through the cooler&rsquo;s tubes\/fins.<\/p>\n\n\n\n<p>The cooler also has conductions that pull heat away from the fluid and dissipate it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Do I Need a Power Steering Cooler?<\/h2>\n\n\n\n<p>A power steering cooler is a must-have, depending on your lifestyle. For example, rock crawling and off-roading are best done with a cooler because the fluid tends to get hotter than normal.<\/p>\n\n\n\n<p>However, if you primarily use your car for city driving, commuting, or picking up your kids, a power steering cooler is not a cost-efficient purchase. Chances are, the power steering fluid will be at optimal temperature anyway, making the cooler unnecessary.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Signs of a Bad Power Steering Cooler<\/h2>\n\n\n\n<p>Some signs of a bad power steering cooler include an unresponsive steering wheel, power steering fluid leaks, strange noises, and an illuminated power steering light.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Unresponsive Steering<\/h3>\n\n\n\n<p>If the steering wheel <a href=\"https:\/\/www.carparts.com\/blog\/stiff-steering-wheel-common-causes-and-how-to-prevent-it\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"feels heavy or difficult to turn\">feels heavy or difficult to turn<\/a>, a faulty cooler could be the culprit. It might have failed to keep the power steering fluid from overheating, causing the steering wheel to lock up.<\/p>\n\n\n\n<p>Do note that it&rsquo;s not always due to the cooler. So it&rsquo;s still best to check the other components that can cause poor steering when they&rsquo;re faulty, such as the tires, steering rack issues, rods, and ball joints.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Power Steering Fluid Leaks<\/h3>\n\n\n\n<p>As mentioned, the power steering fluid passes through the power steering cooler, <a href=\"https:\/\/www.carparts.com\/blog\/fluid-leaks-101\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"which can leak\">which can leak<\/a> if it&rsquo;s damaged. Keep an eye out for a puddle below the vehicle. Check around the power steering pump\/cooler to pinpoint the part causing the leaks.<\/p>\n\n\n\n<p>Other components that can cause steering fluid leaks include a loose power steering fluid hose, an overfilled reservoir caused by blown seals, a damaged power steering rack, and more.<\/p>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\">Strange Noises<\/h3>\n\n\n\n<p>Power steering fluid leaks caused by a damaged power steering cooler can also lead to strange noises, such as squealing, grinding, or whining when you turn the steering wheel. This happens because the power steering pump sucks air to create the noise.<\/p>\n\n\n\n<p>When this occurs, check and deal with the leak before topping up the fluid. Take your vehicle to a mechanic for a proper diagnosis if that doesn&rsquo;t work, as the issue may lie within the steering system.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Illuminated Power Steering Warning Light<\/h3>\n\n\n\n<p>An illuminated <a href=\"https:\/\/www.carparts.com\/blog\/what-does-the-power-steering-warning-light-mean\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"power steering warning light\">power steering warning light<\/a> indicates different issues, but the most common is a low power steering fluid level. As discussed, a bad power steering cooler can cause leaks.<\/p>\n\n\n\n<p>When you notice the warning light is on, park your car somewhere safe and inspect the steering wheel fluid reservoir to check the levels.<\/p>\n\n\n\n<p>It&rsquo;s usually the tank with a printed steering wheel on its cap. If you can&rsquo;t find it, consult your owner&rsquo;s manual for the location. Take your car to a mechanic if there aren&rsquo;t any leaks and the reservoir is full, as a different component could be causing the issue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose a Faulty Power Steering Cooler<\/h2>\n\n\n\n<p>If you&rsquo;re an experienced DIY-er with in-depth automotive know-how, you can check the power steering cooler yourself to save money. Here&rsquo;s how the process usually goes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Step 1: <\/strong>Look for the cooler, which is usually near the radiator.<\/li>\n\n\n\n<li><strong>Step 2: <\/strong>Check for leaks, cracks, and corrosion. Any physical damage to the cooler is a sign it needs replacement.<\/li>\n\n\n\n<li><strong>Step 3: <\/strong>Inspect the power steering fluid level and top it up if it&rsquo;s low and if the cooler doesn&rsquo;t have leaks.<\/li>\n\n\n\n<li><strong>Step 4: <\/strong>Test drive your car to check how the steering wheel responds. If there aren&rsquo;t any leaks and the reservoir is full, but the steering wheel is unresponsive, it could mean the cooler is failing.<\/li>\n<\/ul>\n\n\n\n<p>If the cooler is failing, it&rsquo;s better to have it replaced to avoid future issues. An unresponsive steering wheel is dangerous because you&rsquo;ll have little control over your vehicle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Are Power Steering Coolers Replaced?<\/h2>\n\n\n\n<p>Replacing the power steering fluid cooler involves disconnecting lines from the cooler, removing the mounting hardware\/fasteners, and taking out the cooler. Once replaced with a new cooler, the mechanic will flush, drain, and refill the steering fluid.<\/p>\n\n\n\n<p>After that, the technician will bleed the power steering system, drive the car, and monitor the power steering system pressure to ensure everything is working well.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Much Does It Cost to Replace a Power Steering Cooler?<\/h2>\n\n\n\n<p>The average cost to replace the power steering cooler differs, but expect to pay around $350. Labor cost is around $115, while the parts are priced at about $215. Consult your local mechanic for the exact price, as it varies depending on the auto shop.<\/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>Power steering fluid is crucial for a car&rsquo;s steering system. It facilitates smooth turning by transmitting hydraulic pressure and lubricating&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/power-steering-cooler-what-it-is-how-it-works-and-more\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":136628,"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":[3753,52],"tags":[4460],"ppma_author":[2607],"class_list":{"0":"post-136616","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-cooling-system","8":"category-diy","9":"tag-power-steering-cooler","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>Power Steering Cooler: What It Is, How It Works, and More - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what the power steering cooler is, how it works, the signs it\u2019s faulty, how to diagnose and repair it, and how much replacement typically costs.\" \/>\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\/power-steering-cooler-what-it-is-how-it-works-and-more\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Power Steering Cooler: What It Is, How It Works, and More - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what the power steering cooler is, how it works, the signs it\u2019s faulty, how to diagnose and repair it, and how much replacement typically costs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/power-steering-cooler-what-it-is-how-it-works-and-more\/\" \/>\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=\"2025-04-15T03:30:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-15T03:52:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/04\/car-power-steering-cooler-explained.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1364\" \/>\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\\\/power-steering-cooler-what-it-is-how-it-works-and-more\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/power-steering-cooler-what-it-is-how-it-works-and-more\\\/\"},\"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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