Engine bay rattle? please help!
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This is a discussion on Engine bay rattle? please help! within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I just went stage 2 on my 02 wrx about a week and a half ago. I've noticed that between ...

  1. #1
    Registered User UUARX's Avatar
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    Dec 2008

    Engine bay rattle? please help!

    I just went stage 2 on my 02 wrx about a week and a half ago.

    I've noticed that between shifts after clutching, at about 3-4k rpms there is a slight rattle from the center of the car in front of me. Sounds like it is something central in the engine bay.

    I have some other in car rattles, but this is clearly distinct.

    Its been really cold lately, and I can't confirm that its been running much worse than usual, it just seems somewhat bogged down. Part of me thinks i may just be imagining a power loss.

    anyways...does anyone have any ideas of what the problem could be? I've seen a few threads on the same topic, but havent gotten a legitimate answer or idea.

    many people have said heatshields which i've checked and it is not.


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  3. #2
    Registered User wrxmuch?'s Avatar
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    May 2008
    No seriously really move your heat shield around and see if it is rattling. It can be the smallest rattle at idle that you cant hear it. But as soon as you hit about 3-4k rpm that amplifies the rattles of the heat shield exponentially. As far as checking other misc. rattles, get a large dowel or 3ft long 2x4 and place it on a possible suspected rattle and the put your ear to it. The wood will vibrate and then your ear will hear the rattle. I've used it to check bearings on water pumps and other misc. squeaks and noises and it has yet to let me down.
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  4. #3
    Registered User STI_KLR's Avatar
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    Dec 2007
    The taint of Northern Virginia.
    +1 for checking heat shields.

    Mine drive me ****ing insane (especially w/ Group-N motor mounts). Over winter break I'm going to be wrapping all of my pipes so I can just do away with the shields all together. I can't stand the vibration. Makes it seem so cheap/trashy.
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  5. #4
    Registered User UUARX's Avatar
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    Dec 2008
    alright, i'll give those ideas some consideration...right now everythings a little crazy with the semester coming to an end, so many semester projects that i've procrastinated on hah. But i think i'll definately try and borrow a friends garage to check them out over winter break...my garage is all filled up

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