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Corolla heat shield rattle - Corolla Toyota Cars & Trucks

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6ya6ya
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Posted on Jan 02, 2017

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drsinister69
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SOURCE: loose heat shield

Most likely it's a heat sheild on the converter, maybe the muffler. 1 on top and 1 on the bottom. The heat sheild is welded to the converter, over time they rust away, around the welds. You can use a large diameter worm gear clamp to keep the heat sheild from rattling. The sheilds are in place so if you drive over grass, the heat from the converter won't ignite the grass.

Posted on Mar 14, 2010

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tneubauer
  • 437 Answers

SOURCE: rattling heat shield

Get a large hose clamp from your local parts house. These are about 10 around and you can install it easily and viola - the noise is gone.

Posted on May 31, 2009

  • 1779 Answers

SOURCE: heat shield rattles

I wouldn't recommend removing it, as it's there to protect the area from the high heat of the cat. I've had the same rattle problem, and a piece of a coat hanger through a couple of holes drilled through the shield, then tightly attached solved the problem.

Posted on May 21, 2009

  • 1 Answer

SOURCE: My 2005 Corolla XRS has rattling when deaccelerating

I wouldn't say it is common. There are quite a few heat shields around the stock exhaust "header" and exhaust system. There are also FOUR motor mounts that you can check to see if all bolts are tight. They are all 14mm heads on the motor mounts, 12mm on the exhaust shields. These seem to be the main things that may get loose or make a rattling sound. The exhaust gasket is also designed to flex when the engine flexes - I would check into the exhaust. You have to remove the TRD strut bar to gain better access from above.

Posted on Feb 08, 2010

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I have a rattling sound which is loud when my 04 corsa 1.2 engine is warm.I had the timing belt changed by vauxhall 6,000 miles ago.Took it in to vauxhall last week as the noise bothers me they did oil and...


Check the engine top heat shield and the undercarriage heat shields. They may be loose and rattling. Give 'em a bump with your hand and see if they rattle. If they do, tighten them.

The techs at Vauxall may have failed to tighten the upper heat shield when they replaced the timing belt.

Jul 17, 2014 | Cars & Trucks

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Go to a a large hardware store and buy 2 band clamps that will fit around the heat shields and clamp them tight. This is the manufacturers approved fix for heat shield rattle. The fix sure beats the $1000.00 for a new catalytic converter assembly. I have done this fix dozens of times over the years of my car repair career.

Mar 20, 2014 | 2009 Volvo S60

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Loose heat shield


Peen the shield rivets with a suitable tool which usually become loose, place plain washers under the bolts, lubricate with a drop of engine oil and tighten the bolts.

Dec 01, 2013 | 2005 Toyota Corolla

1 Answer

2008 Corolla that has a rattle noise in the engine compartment


I would check exhaust system for loose heat shields or bracket.

Jul 02, 2012 | 2008 Toyota Corolla

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Rattle noise at 1200 rpm on 2006 silverado


sounds like you have something loose first track were the noise is coming from and inspect the area for loose componets if it is coming from your motor then you might need a mechanic to check it out could be something loose in there

Jan 26, 2010 | 2006 Chevrolet Silverado

1 Answer

My 2005 Corolla XRS has rattling when deaccelerating


I wouldn't say it is common. There are quite a few heat shields around the stock exhaust "header" and exhaust system. There are also FOUR motor mounts that you can check to see if all bolts are tight. They are all 14mm heads on the motor mounts, 12mm on the exhaust shields. These seem to be the main things that may get loose or make a rattling sound. The exhaust gasket is also designed to flex when the engine flexes - I would check into the exhaust. You have to remove the TRD strut bar to gain better access from above.

Aug 13, 2009 | 2005 Toyota Corolla

1 Answer

1994 Corolla rattles when idling and at low speeds.


It amazes me that they didn't at least address the rattling noise, seeing how they probably caused it. If it is just a belt, that's an easy fix. Did you stop at another shop & ask for a quick diagnosis?
Could be something as simple as a heat shield , or something. Doesn't hurt to have a second opinion, and shouldn't cost anything, or very little, then go back & tell them what the diagnosis was.

Jul 24, 2009 | 1998 Toyota Corolla

1 Answer

A rattling noise from the engine bay


Check the heat shields on the exhaust system. They get loose from the extreme heat fluctuations work loose and rattle. Especially the one between the engine and firewall where the 02 sensor screws in. It probably rattles less after warm up because heat causes expansion which makes it tighter. Hope this helps.

Apr 05, 2009 | 2003 Toyota Corolla

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