{"id":2274,"date":"2019-07-24T22:44:25","date_gmt":"2019-07-25T05:44:25","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=2274"},"modified":"2026-02-11T18:28:51","modified_gmt":"2026-02-12T02:28:51","slug":"how-to-replace-faulty-radiator","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/how-to-replace-faulty-radiator\/","title":{"rendered":"How to Replace a Faulty Radiator"},"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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column2274_f2725c-1d > .kt-inside-inner-col,.kadence-column2274_f2725c-1d > .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-column2274_f2725c-1d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2274_f2725c-1d > .kt-inside-inner-col{flex-direction:column;}.kadence-column2274_f2725c-1d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2274_f2725c-1d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2274_f2725c-1d{position:relative;}@media all and (max-width: 1024px){.kadence-column2274_f2725c-1d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2274_f2725c-1d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2274_f2725c-1d inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-89d0a0  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-60877a\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2274_23ac25-21, .wp-block-kadence-advancedheading.kt-adv-heading2274_23ac25-21[data-kb-block=\"kb-adv-heading2274_23ac25-21\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2274_23ac25-21 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2274_23ac25-21[data-kb-block=\"kb-adv-heading2274_23ac25-21\"] 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-heading2274_23ac25-21 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2274_23ac25-21[data-kb-block=\"kb-adv-heading2274_23ac25-21\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading2274_23ac25-21 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2274_23ac25-21\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>To replace the radiator, take out the old one and install the replacement in the same position. Then, connect the transmission cooler lines to the radiator and place the cooling fan.<\/li>\n\n\n\n<li>It&rsquo;s recommended to replace the coolant between 25,000 to 40,000 miles to prevent issues with delivery.<\/li>\n\n\n\n<li>To flush a radiator, you&rsquo;ll have to drain the coolant, replace it with water, and drain the radiator again.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>You&rsquo;ve done all the checks needed and you&rsquo;ve determined that your cooling system troubles stem from a faulty radiator &ndash; now what? You have several options depending on how severe your problem is. Let&rsquo;s look at how to maintain the <a href=\"https:\/\/www.carparts.com\/blog\/where-is-the-radiator-located\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"radiator\">radiator<\/a>, flush it, repair cracks and replace it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Maintain a Radiator?<\/h2>\n\n\n\n<p>Every car has a maintenance schedule offered by the manufacturer. To care for your system, you want to replace the coolant typically between 25,000 to 40,000 miles. This prevents issues with coolant delivery.<\/p>\n\n\n\n<p>As soon as you notice any trouble with the engine temperature, you want to have the radiator inspected. It&rsquo;s possible to repair the tank, flush old coolant, replace leaking hoses or swap out the entire radiator.<\/p>\n\n\n<div class=\"wp-block-image wp-image-2276 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"664\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/replacing-coolant.jpg\" alt=\"\" class=\"wp-image-2276\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/replacing-coolant.jpg 1000w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/replacing-coolant-300x199.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/replacing-coolant-768x510.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\"><figcaption class=\"wp-element-caption\">To prevent issues with coolant delivery, it&rsquo;s best to replace the coolant between 25,000 to 40,000 miles.<\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">How Do You Flush a Radiator?<\/h2>\n\n\n\n<p>If you think a clog is the problem, you can attempt a radiator flush.<\/p>\n\n\n\n<p><strong>Step 1:<\/strong> Your engine must be cool. Don&rsquo;t attempt to open the petcock or radiator with a warmed engine. Before performing any work, tap on the radiator to ensure it&rsquo;s cool.<br><strong>Step 2:<\/strong> Put your vehicle on jack stands so you can access the bottom of the radiator. Place your container underneath.<br><strong>Step 3:<\/strong> Open the petcock to drain all of the coolant.<br><strong>Step 4:<\/strong> Once it is drained, close the petcock. Now, fill the reservoir with water. Run the engine for a few minutes.<br><strong>Step 5:<\/strong> Run the engine for a few minutes so the water circulates. The engine shouldn&rsquo;t get too warm.<br><strong>Step 6:<\/strong> You need to drain the radiator a second time.<br><strong>Step 7:<\/strong> You want to repeat this flush a couple of times.<br><strong>Step 8:<\/strong> Once all of the bad coolant is flushed from the engine; you can fill the system with fresh coolant.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Seal a Leaky Radiator?<\/h2>\n\n\n\n<p>If you find a leak, there are ways to seal it. Try these steps to see if any work for you.<\/p>\n\n\n\n<p><strong>Step 1:<\/strong> Begin by replacing a leaky radiator cap. This is probably the easiest fix you might need.<br><strong>Step 2:<\/strong> Apply a commercial sealant. This isn&rsquo;t a permanent fix but merely helps you stop the leak or slow it down long enough to get repairs. Make sure the engine is cool before you pour it in the radiator. Make sure the coolant is topped off.<br><strong>Step 3:<\/strong> Use epoxy for small cracks. If you see the crack, you might be able to use some epoxy. Make sure you clean the area first. Then, cover the entire crack with epoxy and let it dry overnight before running the car.<\/p>\n\n\n<div class=\"wp-block-image wp-image-2277 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"698\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-leak.jpg\" alt=\"\" class=\"wp-image-2277\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-leak.jpg 1000w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-leak-300x209.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-leak-768x536.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\"><figcaption class=\"wp-element-caption\">Apply a commercial sealant if you find a radiator leak. This isn&rsquo;t a permanent solution but helps you stop the leak or slow it down long enough to get repairs done.<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">Tools Needed for Radiator Repair<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Safety glasses<\/li>\n\n\n\n<li>Air compressor<\/li>\n\n\n\n<li>Flare nut wrench<\/li>\n\n\n\n<li>Vacuum fill tool<\/li>\n\n\n\n<li>Repair manual<\/li>\n\n\n\n<li>Jack<\/li>\n\n\n\n<li>Jack stands<\/li>\n\n\n\n<li>Protective gloves<\/li>\n\n\n\n<li>Pliers<\/li>\n\n\n\n<li>Sockets and ratchets<\/li>\n\n\n\n<li>Ratchet extension<\/li>\n\n\n\n<li>Wrenches<\/li>\n\n\n\n<li>Screwdriver<\/li>\n<\/ul>\n\n\n\n<div class=\"rsi-card\">\n  <div class=\"rsi-thumb\">\n    <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/d_noimage.jpg\/b_white\/e_sharpen,e_auto_brightness,e_auto_contrast\/f_auto\/q_auto:eco,dpr_auto\/w_873,h_873,c_pad\/images\/p2423_1\">\n  <\/div>\n  <div class=\"rsi-info\">\n    <span class=\"rsi-title\">Best Radiators for Your Vehicle<\/span>\n    <span class=\"rsi-desc\">See which brands carry the best replacement radiators. Check warranty coverage, compare product finish, rows, core, and more, then select the radiator that works best for you.<\/span>\n    <a href=\"https:\/\/www.carparts.com\/blog\/best-radiators-for-your-vehicle\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Discover Your Options\">Discover Your Options<\/a>\n  <\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Tips for Replacing a Radiator<\/h3>\n\n\n\n<p>Before you begin, there are a few things to keep in mind.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It&rsquo;s wise to replace the thermostat and radiator cap anytime you swap out the radiator.<\/li>\n\n\n\n<li>You may not need a new radiator. Sometimes clogs can be resolved with a simple coolant flush.<\/li>\n\n\n\n<li>Once you&rsquo;ve completed replacement, you will need to have it checked for leaks.<\/li>\n\n\n\n<li>Make sure you inspect the entire cooling system including the radiator hoses.<\/li>\n\n\n\n<li>Wear protective gear anytime you work on the cooling system.<\/li>\n\n\n\n<li>Don&rsquo;t attempt to work on your radiator while the engine is hot.<\/li>\n\n\n\n<li>Be careful you don&rsquo;t damage any fins when replacing the car radiator.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image wp-image-2279 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/hot-car-engine.jpg\" alt=\"\" class=\"wp-image-2279\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/hot-car-engine.jpg 1000w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/hot-car-engine-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/hot-car-engine-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/hot-car-engine-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\"><figcaption class=\"wp-element-caption\">Don&rsquo;t attempt to work on your radiator while the engine is hot. Wear protective gear anytime you work on the cooling system.<\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">Steps to Replace a Radiator<\/h2>\n\n\n\n<p>If you plan to replace the radiator yourself, these are the steps you will want to follow.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prepare the Vehicle<\/h3>\n\n\n\n<p><strong>Step 1:<\/strong> Raise your vehicle and provide proper support. Use jack stands in the front and wheel chocks in the rear. Don&rsquo;t forget to apply the parking brake.<br><strong>Step 2:<\/strong> Drain all of the coolant out of the radiator into an approved container. Remove the car&rsquo;s lower radiator hose or open the petcock valve.<br><strong>Step 3:<\/strong> Remove the reservoir hose. You can loosen the hose clamp with a screwdriver or pliers, depending on the design. Then, twist the hose and pull it away from your radiator.<br><strong>Step 4:<\/strong> Use your pliers or screwdriver to disconnect the upper radiator hose.<br><strong>Step 5:<\/strong> Take off the lower radiator hose. Use your screwdrivers or pliers and then pull it away from the connection.<br><strong>Step 6:<\/strong> Push in the tab and pull back to disconnect the cooling fan electrical connector.<br><strong>Step 7:<\/strong> Take off the cooling fan mounting bolts with a socket, ratchet and extension.<br><strong>Step 8:<\/strong> Take off your cooling fan.<br><strong>Step 9:<\/strong> Use your flare nut wrench to remove the transmission cooler lines from the radiator.<br><strong>Step 10:<\/strong> Remove the mounting bolts on the radiator. Use your socket and ratchet or wrench.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Replacing the Radiator<\/h3>\n\n\n\n<p><strong>Step 1:<\/strong> Take out the radiator.<br><strong>Step 2:<\/strong> Mount your new radiator in the same position.<br><strong>Step 3:<\/strong> Install the radiator mounting bolts. Tighten them down.<br><strong>Step 4:<\/strong> Use a flare nut wrench to connect the transmission cooler lines to the radiator.<br><strong>Step 5:<\/strong> Mount the cooling fan and install the bolts.<br><strong>Step 6:<\/strong> Install the cooling fan connector.<br><strong>Step 7:<\/strong> Connect the lower radiator hose and tighten.<br><strong>Step 8:<\/strong> Connect the upper radiator hose and tighten.<\/p>\n\n\n<div class=\"wp-block-image wp-image-2280 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"577\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-cap.jpg\" alt=\"\" class=\"wp-image-2280\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-cap.jpg 1000w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-cap-300x173.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/radiator-cap-768x443.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\"><figcaption class=\"wp-element-caption\">Bleed the air out of the system through the bleeder valve, by using a cooling system vacuum fill tool or by running the engine while the radiator cap is off.<\/figcaption><\/figure><\/div>\n\n\n<p><strong>Step 9:<\/strong> Attach the radiator reservoir hose and tighten.<br><strong>Step 10:<\/strong> Fill your radiator with fresh coolant according to manufacturer specs. Make sure the drain petcock is closed before filling.<br><strong>Step 11<\/strong>: Bleed the air out of the system through the bleeder valve, by using a cooling system vacuum fill tool or by running the engine while the radiator cap is off. Each car has a different procedure, so make sure you check your repair manual for complete instructions.<br><strong>Step 12:<\/strong> Lower your vehicle.<br><strong>Step 13:<\/strong> Make sure you always recycle your coolant at a local shop.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fix Your Radiator Right<\/h2>\n\n\n\n<p>Whether you think you can simply replace a cap or you have to install a new radiator, it&rsquo;s important that you get the job done right. A faulty radiator leads to many other problems and you don&rsquo;t want the expense.<\/p>\n\n\n\n<p>Time after time, customers came to me at the dealership wondering why they had to replace multiple cooling system parts. In almost every instance, it was due to neglect. When you ignore the first warning signs, you put your entire system at risk. If that&rsquo;s what you choose to do, then be prepared for the consequences that follow.<\/p>\n\n\n\n<p>Here&rsquo;s a tutorial video on how to replace your radiator:<\/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 to replace the Radiator 2009-2014 Ford F150 &#127777;&#65039;\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/aFlGlGtDTy0?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\">Where to Get a Replacement Radiator for Your Vehicle<\/h2>\n\n\n\n<p>Your vehicle&rsquo;s radiator is an integral part of its cooling system. But a faulty radiator can wreak havoc on your engine if it isn&rsquo;t properly cooling the engine coolant. Replace a faulty radiator to keep your vehicle in tip-top shape. Thankfully, CarParts.com has just the parts you need.<\/p>\n\n\n\n<p>The <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a> catalog includes a wide selection of aftermarket brands, with radiator parts available at different price points for different budgets. Use our site&rsquo;s built-in vehicle selector to view parts guaranteed to fit your vehicle make and model. We also offer a lifetime replacement guarantee and a 60-day return policy so that you can confidently purchase any part on our site.<\/p>\n\n\n\n<p>Don&rsquo;t wait for your radiator problems to get worse. Get a new <a href=\"https:\/\/www.carparts.com\/radiator\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"radiator\">radiator<\/a> at CarParts.com today.<\/p>\n\n\n\n<div class=\"shop-project\">\n\n    <h2>Shop this Project<\/h2>\n\n    <ul class=\"shop-project-list\">\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/radiator\/replacement\/p2423\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/p2423_1\" alt=\"Replacement &ndash; Radiator, 4.3L\/4.8L\/5.3L Engines, 34 in. Core, Aluminum Core, Plastic Tank, Without Engine Oil Cooler\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/p2423_1\" alt=\"Replacement &ndash; Radiator, 4.3L\/4.8L\/5.3L Engines, 34 in. Core, Aluminum Core, Plastic Tank, Without Engine Oil Cooler\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/radiator\/replacement\/p2423\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Radiator, 4.3L\/4.8L\/5.3L Engines, 34 in. Core, Aluminum Core, Plastic Tank, Without Engine Oil Cooler\">Replacement &ndash; Radiator, 4.3L\/4.8L\/5.3L Engines, 34 in. Core, Aluminum Core, Plastic Tank, Without Engine Oil Cooler<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$125.92<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/radiator\/replacement\/p2423\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/radiator\/replacement\/p1193\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/p1193_1\" alt=\"Replacement &ndash; Radiator, 2.5L\/4.0L Engines, Automatic or Manual Transmission, Left Hand Drive, Aluminum Core, Plastic Tank\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/p1193_1\" alt=\"Replacement &ndash; Radiator, 2.5L\/4.0L Engines, Automatic or Manual Transmission, Left Hand Drive, Aluminum Core, Plastic Tank\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/radiator\/replacement\/p1193\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Radiator, 2.5L\/4.0L Engines, Automatic or Manual Transmission, Left Hand Drive, Aluminum Core, Plastic Tank\">Replacement &ndash; Radiator, 2.5L\/4.0L Engines, Automatic or Manual Transmission, Left Hand Drive, Aluminum Core, Plastic Tank<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$95.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/radiator\/replacement\/p1193\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/radiator\/ac-delco\/ac21806\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/ac21806_1\" alt=\"AC Delco&reg; &ndash; 21806 Aluminum Core Plastic Tank Radiator\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/ac21806_1\" alt=\"AC Delco&reg; &ndash; 21806 Aluminum Core Plastic Tank Radiator\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/radiator\/ac-delco\/ac21806\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"AC Delco&reg; &ndash; 21806 Aluminum Core Plastic Tank Radiator\">AC Delco&reg; &ndash; 21806 Aluminum Core Plastic Tank Radiator<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$248.64<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/radiator\/ac-delco\/ac21806\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n            <\/ul>\n<\/div>\n\n\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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>You&rsquo;ve done all the checks needed and you&rsquo;ve determined that your cooling system troubles stem from a faulty radiator &ndash;&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/how-to-replace-faulty-radiator\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1648,"featured_media":2286,"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],"tags":[69],"ppma_author":[2621],"class_list":{"0":"post-2274","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"tag-radiator","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Replace a Faulty Radiator - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Here&#039;s everything you need to know to maintain the radiator, flush it, repair cracks, and replace it. 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