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Author Topic: Rear axle whine/scrapping noise  (Read 1570 times)

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andycuk71

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Rear axle whine/scrapping noise
« on: 02 September 2007, 15:46:47 »
My 3.0 elite 1997 auto, on reversing early produced a whine/scrapping noise.

Noise reduces to a quite metalic knocking/tick sound on driving forward.

Any thoughts????
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Tafty

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Re: Rear axle whine/scrapping noise
« Reply #1 on: 02 September 2007, 18:53:52 »
Sounds a bit like the Diff to me - am sure others will confirm otherwise.
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Markjay

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Re: Rear axle whine/scrapping noise
« Reply #2 on: 02 September 2007, 23:16:22 »
Are you sure it's from the back, not the auto box?

Yes, sounds like diff, or drive shafts...

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miggy

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Re: Rear axle whine/scrapping noise
« Reply #3 on: 02 September 2007, 23:19:55 »
Quote
Are you sure it's from the back, not the auto box?

Yes, sounds like diff, or drive shafts...


I would be inclined to drain the oil from the diff, see what state its in, see if there are metal fines in it, you may find some but how bad. but the ticking could be a drive shaft.
« Last Edit: 02 September 2007, 23:22:17 by miggy »
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Marks DTM Calib

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Re: Rear axle whine/scrapping noise
« Reply #4 on: 03 September 2007, 09:33:23 »
I would be checking brake disc backing plates first.....
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ians

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Re: Rear axle whine/scrapping noise
« Reply #5 on: 03 September 2007, 11:00:04 »
I had something similar sounding a long time ago.  One of the hand brake spring/pins had come adrift.  
Jack the rear up and spin the wheels - see if you can isolate the noise.
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Markjay

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Re: Rear axle whine/scrapping noise
« Reply #6 on: 03 September 2007, 13:45:45 »
Posted in error, please ignore...  :(



« Last Edit: 03 September 2007, 13:48:08 by markjay »
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Markjay

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Re: Rear axle whine/scrapping noise
« Reply #7 on: 03 September 2007, 13:47:14 »
Posted in error, please ignore...  :(


« Last Edit: 03 September 2007, 13:48:33 by markjay »
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andycuk71

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Re: Rear axle whine/scrapping noise
« Reply #8 on: 03 September 2007, 17:28:20 »
Have looked at the post on changing the oil in diff, it suggests that when iffy the diff can be felt to slip and grab when cornering at low speeds.

This is exactly what mine is doing had initally thought it was an autobox problem any othe thoughts?

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ians

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Re: Rear axle whine/scrapping noise
« Reply #9 on: 03 September 2007, 17:49:20 »
As said Andy, I would eliminate the rear wheels/disks/handbrake etc first,  esp as it looks like you're up against it on the diff.
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