LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Rattle at idle?

Old Nov 6, 2004 | 07:08 PM
  #1  
ChrisUlrich's Avatar
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From: Cliffside Park, NJ
Rattle at idle?

When i'm at idle, there is a noticable grind/rattle type noise from underneath the car. When you engage the clutch, it goes away, when you disengage the clutch, it comes back. I've come to the conclusion its clutch related.

What i'm wondering is... do all stock clutches do that? Nothing slips, car grabs badass and barks 2nd. Doesn't chirp 3rd at all though, but don't think its supposed to.

Theres also a loudass rattle when at low rpms when pulling away in any gear basically. But only from like 900-1300 rpms.

Any ideas?
Old Nov 6, 2004 | 09:28 PM
  #2  
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Re: Rattle at idle?

bad throw out bearing?thats what it sounds like to me.my truck made the same noises.
Old Nov 7, 2004 | 11:30 AM
  #3  
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Re: Rattle at idle?

Can that be changed by itself? Or does everything have to be changed?
Old Nov 7, 2004 | 01:26 PM
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Re: Rattle at idle?

Sounds like the throwout bearing. I believe it can be changed on it's own, but you have to remove the entire clutch to get to it, so it would make sense to do the clutch if you have any reservations about the one that's in there right now.
Old Nov 7, 2004 | 03:06 PM
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Re: Rattle at idle?

you can change the just throw out bearing,but like he said^^ you might aswell change it all maybe upgrade while your at it.good luck.
Old Nov 7, 2004 | 04:02 PM
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Re: Rattle at idle?

My car does the exact same thing. My miles are low on the car too. Will it hurt anything to keep driving it like this?
Old Nov 7, 2004 | 07:19 PM
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Re: Rattle at idle?

Originally Posted by RedRocketZ28
My car does the exact same thing. My miles are low on the car too. Will it hurt anything to keep driving it like this?
i have no idea,the rattling drove me crazy so i replaced mine before anything was damaged....i hate rattles and squeaks.
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