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vibration fealing from rear

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Old 08-27-03, 09:16 AM
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vibration fealing from rear

when the car has been moving for a while id say about 20 min or so when i'm stoped at a light and start to accelerate i feal a vibration and hear a grinding sound coming from the rear end, it only lasts for about 2-3 seconds then stops. the car is at about 3500-4000rpm at that point.

for the longest time i've been thinking its the differntal grinding gears, but as i think more, could it be one of the tires rubbing the wheel well?

any help greatly apprecated.
-Jason
Old 08-27-03, 10:04 AM
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Have you checked and replaced gear oil in the diff and tranny yet???

Sounds like the wrong weight is in the Diff, or the joints on the half shafts from the diff are worn out/dry.
Old 08-27-03, 10:18 AM
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no i havn't yet but its going to the shop today for another problem and i'll have them check that out to, thanks
Old 08-27-03, 12:34 PM
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I've encountered the same problem with my FB. It turned out to be a bad wheel bearing. Also check your diff fluid, make sure nothing is in contact with the drive shaft. Does it drive fine other then the noise?
Old 08-27-03, 02:01 PM
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except for the misfire it drives fine, getting that fixed today
Old 08-27-03, 04:14 PM
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what weight oil is recommended for a rearend?
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