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Old 09-25-2002, 20:34   #1 (permalink)
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Drivetrain whirrrrr!

I have a "whirring" noise coming from the rear on accleration and deccleration. It does not occur if the clutch is disengaged or if i match the engine speed exactly to the road speed (i.e. no real load on the drivetrain). It has been doing this for quite a while now with no other noticable side effects. No clunks or different sounds when turning etc.

What does this sound like, diff bearings or maybe the driveshaft joint??

car is a 5 speed EA with an LSD I found at the wreckers.

thanks guys,

jez
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Old 09-25-2002, 21:27   #2 (permalink)
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It's either your diff or your fuel pump if the noise is comming from the back of the car.
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Old 09-25-2002, 21:45   #3 (permalink)
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have you replaced the diff oil (make sure it's LSD stuff) and added some lubrizol??? Might be a starting point if the diff is from the wreckers.
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Old 09-25-2002, 21:56   #4 (permalink)
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Sounds to me like your diff gears may not be real healthy, possibly bearings as well.
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Old 09-25-2002, 22:31   #5 (permalink)
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yeah I cleaned the diff out and replaced with good quality oil. It was fine when i got it, but just started getting louder and louder on a trip from Adelaide to Syd. Its been the same ever since (6 months or so).

I've been meaning to change it out but I'll try something else if it's easier! :)
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