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01-11-2013, 01:04 PM | #1 |
Drives: '08 Yaris LB Join Date: Jan 2012
Location: British Columbia, Canada
Posts: 328
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Trying to find what is making a scraping/rattling sound.
Hi Guys,
Lately my car has been making a rattling sound, it's especially evident when in a parking garage or going through a drive through where the sound bounces back. It sounds like a light piece of metal, like a heat shield rattling. Occasionally I hear a sound which sounds like the when the muffler would fall off and drag behind the car. I only hear either sound once in a while. I've put the car up on ramps a few times but can't find anything loose. Any ideas on where to look further? |
01-11-2013, 05:34 PM | #2 |
Drives: 2008 Hatch Red Join Date: Apr 2012
Location: San Diego, CA
Posts: 66
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Rear brakes might be making noise? Just a thought. Try giving a slight pull on the parking brake lever next time ( with release button pushed) and see if that makes it sound any different?
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01-11-2013, 06:42 PM | #3 |
Drives: '14 GT86, '08 Vitz Join Date: Dec 2006
Location: Central Valley, CA
Posts: 9,873
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Does it rattle at a certain rpm? Does it rattle only under engine load, or will it rattle free revving as well? I think one of my heat shields is loose as well as I'll hear a rattle around 4k rpm. This started happening after I hit a cinder block on the freeway.
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01-11-2013, 10:08 PM | #4 | ||
Drives: '08 Yaris LB Join Date: Jan 2012
Location: British Columbia, Canada
Posts: 328
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Quote:
Quote:
My exhaust does rattle when I first start the car though. I also found that the mid pipe was unhooked from the mounts and that putting it back in the rubber hangers made the exhaust rattle louder - but that isn't the sound I'm talking about although the two could be connected. The only place I haven't looked is behind the engine to see if I have a bad heat shield up in there somewhere. Thanks guys! |
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01-12-2013, 01:55 PM | #5 |
Drives: '08 Yaris LB Join Date: Jan 2012
Location: British Columbia, Canada
Posts: 328
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The noise still happens with the parking brake on, with the service brakes applied and in neutral as long as the car is moving. I revved it in neutral and it didn't make a difference. It's pretty strange.
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