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Rear End noise
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TOPIC: Rear End noise

Rear End noise 15 years, 10 months ago #1487

  • Jump07
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There's a loud noise coming from the rear of the car when there's a load on the diff. It gets louder as I accelerate...and then goes away when I let up on the gas...but then comes back as it slows down.
It's sounds like a loud white noise....almost like a scraping.
I just got a new clutch last month....so I'm thinking it's gotta be in the tranny or rear end? What about torque tube bearing? Would that make that noise?
Thanks
Jeremy Mathews
NorCal
1985 944 #07
2003 GMC 1500 Sierra Z71

Re:Rear End noise 15 years, 10 months ago #1495

i have not seen a torque tube bearing go out yet . kind of sounds like a ring gear ... ?

Are you planning on Miller ? if so I could bring a tranny (with short fifth) and a TT . I bet Joe could do the swap in about 45 minutes

Re:Rear End noise 15 years, 10 months ago #1498

  • Jump07
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I won't be at Miller. I saw a tranny with 130k on it on craigslist for $175...I'd be an idiot not to get it.
Jeremy Mathews
NorCal
1985 944 #07
2003 GMC 1500 Sierra Z71

Re:Rear End noise 15 years, 10 months ago #1503

Could also be CV joints. They sort of click however.
Joe Paluch
944 Spec #94 Gina Marie Paper Designs
Arizona Regional 944 Spec Director, National Rules Coordinator
2006 Az Champion - 944 Spec Racer Since 2002

Re:Rear End noise 15 years, 10 months ago #1520

  • Jump07
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The sound goes away when the clutch is pushed in. It's sort of a grinding, rattling noise. It's gotta be something in the tranny or the diff, right?
It's only when accelerating or decelerating...when there's a load on the diff/tranny.
I would assume if it's the CV or the bearings the noise would be more constant...which it isn't.
It's frustrating...
Jeremy Mathews
NorCal
1985 944 #07
2003 GMC 1500 Sierra Z71
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