{"id":1361,"date":"2022-03-22T20:49:00","date_gmt":"2022-03-23T03:49:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=1361"},"modified":"2025-10-09T22:01:04","modified_gmt":"2025-10-10T05:01:04","slug":"timing-belt","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/timing-belt\/","title":{"rendered":"Timing Belt Symptoms, Diagnosis, Sample Replacement Steps"},"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\"> 10<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column1361_74cb8d-1b > .kt-inside-inner-col,.kadence-column1361_74cb8d-1b > .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-column1361_74cb8d-1b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column1361_74cb8d-1b > .kt-inside-inner-col{flex-direction:column;}.kadence-column1361_74cb8d-1b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column1361_74cb8d-1b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column1361_74cb8d-1b{position:relative;}@media all and (max-width: 1024px){.kadence-column1361_74cb8d-1b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column1361_74cb8d-1b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column1361_74cb8d-1b inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-6b2e50  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-3c488e\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading1361_22a756-77, .wp-block-kadence-advancedheading.kt-adv-heading1361_22a756-77[data-kb-block=\"kb-adv-heading1361_22a756-77\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading1361_22a756-77 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading1361_22a756-77[data-kb-block=\"kb-adv-heading1361_22a756-77\"] 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-heading1361_22a756-77 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading1361_22a756-77[data-kb-block=\"kb-adv-heading1361_22a756-77\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading1361_22a756-77 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading1361_22a756-77\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The timing belt is a toothed belt located behind the engine&rsquo;s front cover that&rsquo;s used to keep the engine&rsquo;s crankshaft and camshaft(s) in sync.<\/li>\n\n\n\n<li>Instead of a timing belt, most engines built within the last ten years or so have a timing chain, which is a metal chain made up of a collection of links.<\/li>\n\n\n\n<li>Depending on the engine design, either a timing belt or timing chain is used to connect the crankshaft to the camshaft(s), thereby keeping the engine in time.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Some cars have a <a href=\"https:\/\/www.carparts.com\/timing-belt\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"timing belt\">timing belt<\/a> that&rsquo;s hidden out of sight behind the engine&rsquo;s front cover. You might not think that a belt sounds like a big deal&mdash;but the timing belt <em>is<\/em> a big deal because it can cause catastrophic engine damage if it fails.<\/p>\n\n\n\n<p>It&rsquo;s helpful to understand how the timing belt works and when it should be replaced. That way, you can avoid potential problems down the road.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is a Timing Belt?<\/h2>\n\n\n\n<p>The timing belt is a toothed belt (located behind the engine&rsquo;s front cover) that&rsquo;s used to keep the engine&rsquo;s crankshaft and camshaft(s) in synch. You&rsquo;ll find that the belt loops around the crankshaft and camshaft sprockets and also drives the engine&rsquo;s water pump.<\/p>\n\n\n\n<p>A typical timing belt is made from sturdy rubber (molded polyurethane, neoprene, or urethane). The belt usually has a high-tensile cord of fibers running its length and a facing fabric covering its teeth.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car-1024x683.jpg\" alt=\"timing belt of a car\" class=\"wp-image-67702\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-of-a-car.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Depending on the engine design, either a timing belt or timing chain is used to connect the crankshaft to the camshaft(s), thereby keeping the engine in time.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Does a Timing Belt Do?<\/h2>\n\n\n\n<p>Before you can comprehend the role of the timing belt, it helps to have a basic understanding of the internal workings of the <a href=\"https:\/\/www.carparts.com\/blog\/car-engine-parts\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"engine\">engine<\/a>. Inside the engine, there is a crankshaft and one or more camshafts. The crankshaft is attached to the connecting rod and piston assemblies, whereas the intake and exhaust valves are operated by the camshaft(s).<\/p>\n\n\n\n<p>The crankshaft and <a href=\"https:\/\/www.carparts.com\/camshaft\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"camshaft(s)\">camshaft(s)<\/a> must be kept in sync (&ldquo;in time&rdquo;) so that the pistons are at the correct point of travel when the valves open and close. Depending on the engine design, either a timing belt or timing chain is used to connect the crankshaft to the camshaft(s), thereby keeping the engine in time.<\/p>\n\n\n\n<p>A tensioner pulley and one or more <a href=\"https:\/\/www.carparts.com\/blog\/bad-idler-pulley-symptoms-plus-replacement-recommendations\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"idler pulleys\">idler pulleys<\/a> are used to secure and keep tension on the timing belt. It&rsquo;s also important to note that the timing belt drives the engine&rsquo;s <a href=\"https:\/\/www.carparts.com\/water-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"water pump\">water pump<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Example Timing Belt Diagram<\/h2>\n\n\n\n<p>Below, you&rsquo;ll find a timing belt diagram for a 2005 Honda Civic 1.7L. Keep in mind that this diagram is only an <strong>example<\/strong>. You can find the timing belt diagram for your vehicle by consulting 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 an online repair database\">repair manual or an online repair database<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram-1024x614.png\" alt=\"timing belt diagram\" class=\"wp-image-67730\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram-1024x614.png 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram-300x180.png 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram-768x461.png 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram-1536x922.png 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram.png 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-diagram-150x90.png 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">2005 Honda Civic 1.7L Timing Belt Diagram<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Timing Belt vs. Timing Chain<\/h2>\n\n\n\n<p>The crankshaft and camshaft(s) of an internal combustion engine must always be kept in synch. Depending on the engine&rsquo;s design, this task is almost always accomplished with either a timing belt or a timing chain (some engines use timing gears, but that setup is rare and typically used in heavy-duty trucks).<\/p>\n\n\n\n<p>Most engines built within the last ten years or so have a <a href=\"https:\/\/www.carparts.com\/timing-chain\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"timing chain\">timing chain<\/a> instead of a timing belt. But there are still many vehicles on the road with a timing belt under the hood.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Timing Belt<\/h3>\n\n\n\n<p>As was mentioned, a timing belt is a toothed rubber belt that wraps around the crankshaft pulley, water pump pulley, and camshaft pulley(s).<\/p>\n\n\n\n<p>The timing belt is considered a wear item because it&rsquo;s made of rubber that can eventually stretch or break. As such, the timing belt requires periodic replacement. The belt should be replaced according to the vehicle manufacturer&rsquo;s maintenance schedule.<\/p>\n\n\n\n<p>Watch this video to get an idea of how timing belts work:<\/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 Timing Belts Work | CarParts.com Parts Explained with Lucas Ventures\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/nRwJEYWjVs0?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<h3 class=\"wp-block-heading\">Timing Chain<\/h3>\n\n\n\n<p>On the other hand, a timing chain is a metal chain made up of a collection of links. The timing chain wraps around the crankshaft sprocket and camshaft sprocket(s). Engines with a timing chain might use the chain to drive the water pump, or (more commonly) the pump is driven by the <a href=\"https:\/\/www.carparts.com\/serpentine-belt\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"serpentine belt\">serpentine belt<\/a>.<\/p>\n\n\n\n<p>Timing chains are supposed to last the life of the vehicle (though that doesn&rsquo;t always happen). Because of this, timing chains do not have a recommended <a href=\"https:\/\/www.carparts.com\/blog\/when-to-replace-timing-chain\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"replacement\">replacement<\/a> interval.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt-1024x683.jpg\" alt=\"automotive timing belt\" class=\"wp-image-67735\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/automotive-timing-belt.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A timing belt is a toothed rubber belt that wraps around the crankshaft pulley, water pump pulley, and camshaft pulley(s).<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes a Timing Belt to Break?<\/h2>\n\n\n\n<p>A timing belt can stretch or break for several reasons. Here are the most common:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Wear Due to Time and Miles<\/h3>\n\n\n\n<p>Timing belts eventually wear out, which is why vehicle manufacturers recommend periodic replacement. If you don&rsquo;t replace your car&rsquo;s belt on time, it could stretch or break, potentially resulting in extensive internal engine damage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Failed Tensioner, Idler Pulley, or Water Pump<\/h3>\n\n\n\n<p>If the <a href=\"https:\/\/www.carparts.com\/blog\/symptoms-of-a-bad-timing-belt-tensioner-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"timing belt tensioner\">timing belt tensioner<\/a> or idler pulley fails, the timing belt can break as a result. The timing belt might also break if the water pump&rsquo;s bearings fail.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fluid Leaks<\/h3>\n\n\n\n<p>Coolant from a <a href=\"https:\/\/www.carparts.com\/blog\/car-fluids-to-check-infographic\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"leaking water pump or oil\">leaking water pump or oil<\/a> from a failed engine seal can contaminate the belt and cause it to fail prematurely.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Seized Engine<\/h3>\n\n\n\n<p>A <a href=\"https:\/\/www.carparts.com\/blog\/engine-seized-symptoms-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"seized engine\">seized engine<\/a> can create tension that causes the timing belt to snap.<\/p>\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\/dnjtbk960awp_1\">\n  <\/div>\n  <div class=\"rsi-info\">\n    <span class=\"rsi-title\">The Best Timing Belt Kit Brands for Easy Repairs<\/span>\n    <span class=\"rsi-desc\">Check out the best aftermarket timing belt kit brands and learn how to choose a durable, budget-friendly replacement for your vehicle.<\/span>\n    <a href=\"https:\/\/www.carparts.com\/blog\/the-best-timing-belt-kit-brands-for-easy-repairs-quickref\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Discover Your Options\">Discover Your Options<\/a>\n  <\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">What are the Symptoms of a Bad Timing Belt?<\/h2>\n\n\n\n<p>A broken or stretched timing belt is bad news because it can lead to catastrophic internal engine damage. Most engines have what&rsquo;s referred to as an interference design, which means the valves usually contact the pistons when the timing belt breaks.<\/p>\n\n\n\n<p>If the timing belt fails, you might notice one or more of the following symptoms:<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> Other problems can mimic a failed timing belt. You (or your mechanic) should perform a thorough diagnosis before conducting any repairs.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Engine Doesn&rsquo;t Start<\/h3>\n\n\n\n<p>Your <a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-start-what-should-i-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"car won&rsquo;t start\">car won&rsquo;t start<\/a> if the timing belt breaks. Typically, the engine will crank faster than normal but refuse to fire up.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Engine Runs Rough and Misfires<\/h3>\n\n\n\n<p>A stretched or jumped timing belt will typically result in the valves not opening and closing at the right time. As a result, the engine will experience a <a href=\"https:\/\/www.carparts.com\/blog\/the-symptoms-of-low-compression-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"loss of compression\">loss of compression<\/a>, causing it to run rough and misfire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Illuminated Check Engine Light<\/h3>\n\n\n\n<p>Your car&rsquo;s engine computer management system looks for anything that could lead to an increase in tailpipe emissions, including a misfire and other problems caused by a stretched timing belt. If the system determines there&rsquo;s an issue, it turns on the <a href=\"\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check engine light\">check engine light<\/a> and stores a corresponding diagnostic trouble code (DTC) in its memory.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Check a Timing Belt<\/h2>\n\n\n\n<p>Unfortunately, there isn&rsquo;t an easy way to tell whether a timing belt is worn out and needs to be replaced. Even if you peel back the timing belt cover to perform a visual inspection, it&rsquo;s hard to tell whether the belt is worn out. That&rsquo;s why it&rsquo;s important to follow the manufacturer&rsquo;s maintenance schedule regarding timing belt replacement.<\/p>\n\n\n\n<p>But if the timing belt is broken, you can often confirm this by removing the upper timing belt cover to perform a visual inspection. Some vehicles also have a dedicated inspection cover that you can remove to inspect the timing belt.<\/p>\n\n\n\n<p>If you can&rsquo;t get a peek at the belt, you can perform a compression test on the engine. Low compression on all of the engine&rsquo;s cylinders often indicates a failed timing belt, as the video below demonstrates.<\/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 Diagnose a Broken Timing Belt\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/w-Tfez0kUrA?start=423&amp;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<p>Another timing belt test method involves using an oscilloscope (if you&rsquo;re lucky enough to have one), as outlined in the video below.<\/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 check for a jumped timing chain or belt\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/pKic89CIPlM?start=1004&amp;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\">How to Replace a Bad Timing Belt on a 2005 Honda Civic 1.7L<\/h2>\n\n\n\n<p>Replacing a timing belt is a big job that can result in significant engine damage if performed incorrectly. So, if you have any doubts about your automotive repair abilities, it&rsquo;s best to leave the job to a qualified professional.<\/p>\n\n\n\n<p>For an idea of what replacing a timing belt typically involves, here are some instructions outlining the job on a 2005 Honda Civic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tools and Equipment Needed<\/h3>\n\n\n\n<p>You&rsquo;ll need the following tools when performing a <a href=\"https:\/\/www.carparts.com\/timing-belt\/honda\/civic\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"timing belt replacement on a 2005 Honda Civic\">timing belt replacement on a 2005 Honda Civic<\/a> 1.7L.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Breaker bar<\/li>\n\n\n\n<li>Honda crankshaft pulley tool<\/li>\n\n\n\n<li>Pushpin removal tool (recommended)<\/li>\n\n\n\n<li>Jack and jack stands<\/li>\n\n\n\n<li>Ratchet and socket set<\/li>\n\n\n\n<li>Repair manual or access to a repair database<\/li>\n\n\n\n<li>Safety glasses<\/li>\n\n\n\n<li>Screwdrivers<\/li>\n\n\n\n<li>Torque wrench<\/li>\n\n\n\n<li>Wheel chocks<\/li>\n\n\n\n<li>Wrench set<\/li>\n<\/ul>\n\n\n\n<p><strong>2005 Honda Civic 1.7L Timing Belt Replacement Instructions&nbsp;<\/strong><\/p>\n\n\n\n<p>One thing to keep in mind is that most professionals also replace the water pump, along with the camshaft and crankshaft seals, as a preventative measure when replacing the timing belt. But in this article, we&rsquo;re just going to focus on replacing the belt and automatic tensioner.&nbsp;<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The following are general guidelines for educational and entertainment purposes only. Consult your vehicle&rsquo;s factory information for specific repair instructions and recommended safety procedures.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt-1024x683.jpg\" alt=\"car water pump and timing belt\" class=\"wp-image-67705\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/car-water-pump-and-timing-belt.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Most professionals also replace the water pump, along with the camshaft and crankshaft seals, as a preventative measure when replacing the timing belt.<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Timing Belt Removal<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ensure you have the anti-theft code for the car&rsquo;s radio. The radio will be locked out once the battery is disconnected.<br><br><\/li>\n\n\n\n<li>Put on your safety glasses.<br><br><\/li>\n\n\n\n<li>Disconnect the negative battery cable.<br><br><\/li>\n\n\n\n<li>Use a breaker bar to loosen the left front wheel&rsquo;s lug nuts. Do not remove the nuts completely at this time.<br><br><\/li>\n\n\n\n<li>Safely raise and support the vehicle using a jack and jack stands. Set the parking brake and chock the rear wheels.<br><br><\/li>\n\n\n\n<li>Remove the lug nuts by hand. Then remove the left front wheel and tire assembly.<br><br><\/li>\n\n\n\n<li>Use a pushpin removal tool or small screwdriver to remove the pushpins from the splash shield. Remove the splash shield from the vehicle.<br><br><\/li>\n\n\n\n<li>Remove the power steering pump adjustment plate mounting bolt, locknut, and mounting bolt.<br><br><\/li>\n\n\n\n<li>Remove the power steering pump and set it aside and out of the way without removing the lines.<br><br><\/li>\n\n\n\n<li>Disconnect the electrical connector and cable from the alternator.<br><br><\/li>\n\n\n\n<li>Loosen the alternator adjustment plate mounting bolt, locknut, and mounting bolt.<br><br><\/li>\n\n\n\n<li>Remove the alternator belt and the alternator.<br><br><\/li>\n\n\n\n<li>Remove the ignition coil cover. Disconnect the electrical connectors from the ignition coils.<br><br><\/li>\n\n\n\n<li>Remove the ignition coil retaining nuts and remove the ignition coils.<br><br><\/li>\n\n\n\n<li>Remove the fasteners securing the throttle cable clamps and harness holder. Set the cable and holder aside and out of the way.<br><br><\/li>\n\n\n\n<li>Remove the fasteners securing the valve cover and remove the cover.<br><br><\/li>\n\n\n\n<li>Support the engine using a jack and block of wood.<br><br><\/li>\n\n\n\n<li>Remove the three nuts from the upper motor mount bracket and remove the bracket.<br><br><\/li>\n\n\n\n<li>Remove the grommet from the upper timing belt cover and disconnect the camshaft position sensor&rsquo;s electrical connector.<br><br><\/li>\n\n\n\n<li>Remove the fasteners securing the upper belt timing cover and remove the cover.<br><br><\/li>\n\n\n\n<li>Remove the bolts securing the side motor mount bracket and remove the bracket.<br><br><\/li>\n\n\n\n<li>Hold the crankshaft pulley with the special Honda crankshaft pulley holding tool. Then, use a breaker bar and socket to remove the crankshaft pulley bolt.<br><br><\/li>\n\n\n\n<li>Use the crankshaft pulley holding tool to turn the crankshaft pulley counterclockwise until its top dead center (TDC) mark lines up with the pointers on the timing belt cover. The &ldquo;UP&rdquo; marks on the camshaft pulley must also be at the top. In addition, the TDC marks on the camshaft pulley must align with the top end of the cylinder head.<br><br><\/li>\n\n\n\n<li>Wiggle the harmonic balancer off while making sure not to lose the alignment key.<br><br><\/li>\n\n\n\n<li>Disconnect the crankshaft position sensor&rsquo;s electrical connector and move the wiring harness out of the way.<br><br><\/li>\n\n\n\n<li>Remove the fasteners securing the lower timing belt cover and remove the cover.<br><br><\/li>\n\n\n\n<li>Remove the crankshaft positions sensor&rsquo;s retaining fastener and remove the sensor.<br><br><\/li>\n\n\n\n<li>Loosen the <a href=\"https:\/\/www.carparts.com\/timing-belt-tensioner\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"timing belt tensioner\">timing belt tensioner<\/a> to remove the timing belt.<br><br><\/li>\n\n\n\n<li>Remove the timing belt tensioner retaining fastener and the tensioner.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation-1024x683.jpg\" alt=\"mechanic installing a timing belt\" class=\"wp-image-67704\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/03\/timing-belt-installation.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">When installing a timing belt, make sure the TDC mark on the crankshaft pulley aligns with the pointer on the oil pump.<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Timing Belt Installation<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Compare the new timing belt to the old timing belt to ensure both are the same design.<br><br><\/li>\n\n\n\n<li>Mount the new timing belt tensioner in place and install the retaining fastener by hand. Do not tighten down the fastener completely at this time.<br><br><\/li>\n\n\n\n<li>Check the timing marks. Make sure the TDC mark on the crankshaft pulley aligns with the pointer on the oil pump. The &ldquo;UP&rdquo; marks on the camshaft pulley must also be at the top. In addition, the TDC marks on the camshaft pulley must align with the top end of the cylinder head.<br><br><\/li>\n\n\n\n<li>Install the timing belt in a counterclockwise sequence by routing it over the crankshaft pulley, then the tensioner pulley, water pump pulley, and finally the camshaft pulley.<br><br><\/li>\n\n\n\n<li>Secure the new timing belt tensioner and use a torque wrench to tighten the retaining fastener down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Double-check that all of your timing marks still line up. If the marks are off even slightly, the engine can be damaged upon startup.<br><br><\/li>\n\n\n\n<li>Reinstall the crankshaft bolt. Then use a breaker bar to turn the engine over two revolutions. Afterward, make sure that the timing marks are still aligned.<br><br><\/li>\n\n\n\n<li>Remove the pin from the new timing belt tensioner.<br><br><\/li>\n\n\n\n<li>Turn the engine over two more revolutions and check that the timing marks are still aligned. Remove the crankshaft pulley bolt from the pulley.<br><br><\/li>\n\n\n\n<li>Reinstall the crankshaft positions sensor and use a torque wrench to tighten the retaining fastener down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the lower timing belt cover and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the harmonic balancer and alignment key.<br><br><\/li>\n\n\n\n<li>Hold the crankshaft pulley with the special Honda crankshaft pulley holding tool. Then, use a torque wrench to tighten the crankshaft pulley bolt down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the side motor mount bracket and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the upper timing belt cover and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reconnect the camshaft position sensor and reinstall its grommet.<br><br><\/li>\n\n\n\n<li>Reinstall the upper motor mount bracket and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Remove the jack from underneath the engine.<br><br><\/li>\n\n\n\n<li>Reinstall the valve cover and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the fasteners securing the throttle cable clamps and harness holder and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the ignition coils and use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications. Reinstall the ignition coil cover.<br><br><\/li>\n\n\n\n<li>Reinstall the alternator and alternator belt. Adjust the belt tension, then use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the power steering pump and power steering pump belt. Adjust the belt tension, then use a torque wrench to tighten the retaining fasteners down to the vehicle manufacturer&rsquo;s specifications.<br><br><\/li>\n\n\n\n<li>Reinstall the splash shield.<br><br><\/li>\n\n\n\n<li>Reinstall the wheel\/tire assembly on the lug nuts.<br><br><\/li>\n\n\n\n<li>Tighten the lug nuts until they&rsquo;re snug using a ratchet and socket.<br><br><\/li>\n\n\n\n<li>Safely remove the jack stands and lower the vehicle.<br><br><\/li>\n\n\n\n<li>Use a torque wrench to tighten the lug nuts to the manufacturer&rsquo;s specification.<br><br><\/li>\n\n\n\n<li>Reconnect the negative battery cable.<br><br><\/li>\n\n\n\n<li>Enter the anti-theft code into the radio.<\/li>\n<\/ol>\n\n\n\n<p>Check out the videos below for a visual representation of what the job involves.<\/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=\"Honda Civic 1.7L SOHC Timing Belt, Tensioner, Water Pump Replacement Part 1\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/BzikYgHY_4I?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<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=\"Honda Civic 1.7L SOHC Timing Belt, Tensioner, Water Pump Replacement Part 2\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/CAO4PxLTDQo?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<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=\"Honda Civic 1.7L SOHC Timing Belt, Tensioner, Water Pump Replacement Part 3\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/iAu6S3EQk5g?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<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=\"Honda Civic 1.7L SOHC Timing Belt, Tensioner, Water Pump Replacement Part 4\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/QO-21bYtDis?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\">When Do I Replace a Timing Belt?<\/h2>\n\n\n\n<p>You should always replace your car&rsquo;s timing belt per the vehicle manufacturer&rsquo;s service schedule. If you postpone replacement, the belt could break, potentially causing extensive (and costly) engine damage. You can find your car&rsquo;s service schedule in the owner&rsquo;s manual or supplemental service booklet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Can I Still Drive My Car with a Bad Timing Belt?<\/h2>\n\n\n\n<p>Absolutely not. In many cases, a bad timing belt will prevent the engine from running altogether. But if the vehicle still runs, continuing to drive with a bad timing belt can damage the engine and other costly components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Much Does a Timing Belt Replacement Cost?<\/h2>\n\n\n\n<p>You can typically expect to pay between $1000 and $2500 to have a professional replace your car&rsquo;s timing belt. Of course, the exact cost of the repair will depend on various factors, such as the type of vehicle you have and the repair shop you choose.<\/p>\n\n\n\n<p>If you have the tools and the know-how, you can save money by doing the job yourself with a replacement timing belt from CarParts.com.<\/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\"> 10<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Some cars have a timing belt that&rsquo;s hidden out of sight behind the engine&rsquo;s front cover. You might not think&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/timing-belt\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1643,"featured_media":1363,"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":[3747,267,1314],"tags":[3354,339],"ppma_author":[2622],"class_list":{"0":"post-1361","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-engine","8":"category-guides","9":"category-obd-ii-trouble-codes","10":"tag-car-engine-all-articles","11":"tag-timing-belt","12":"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>Timing belt | CarParts.com<\/title>\n<meta name=\"description\" content=\"Know the common symptoms of a failing timing belt, plus replacement instructions in this article. 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Read on for more info.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/timing-belt\/\" \/>\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=\"2022-03-23T03:49:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-10T05:01:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/07\/timing-belt.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia Bevacqua, 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=\"14 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/timing-belt\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/timing-belt\\\/\"},\"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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