rodgling
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| posted on 1/5/13 at 08:50 PM |
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noisy diff
Went out for a drive in the sun today (very enjoyable) but noticed as I was braking to a stop that there was a loud rattle coming from I think towards
the rear of the car. It seems to happen mainly on the overrun, light braking kills the noise straight away. Coasting with engine off, in neutral,
noise is still there. It's intermittent.
Busted diff (it's an LSD if that makes a difference)? Doesn't sound like a wheel bearing.
Apart from the noise I'm not noticing any problems like lack of drive or LSD issues etc.
thoughts?
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britishtrident
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| posted on 1/5/13 at 08:53 PM |
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First check the propshaft coupling bolts and wheel nuts are tight.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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snapper
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| posted on 2/5/13 at 05:45 AM |
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After checking above ^
I'm thinking drive shaft or propshaft UJ
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rodgling
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| posted on 2/5/13 at 12:55 PM |
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quote:
Originally posted by snapper
After checking above ^
I'm thinking drive shaft or propshaft UJ
Hmm, that's a nice thought, driveshaft would be a 15 minute job. I'll check these next chance I get.
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rodgling
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| posted on 3/5/13 at 08:56 PM |
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Just ran the car with the rear wheels in the air. The noise was loudest at the drivers rear wheel, so dismantled things a bit and discovered it was
the wheel bearing. Surprising, given that it's designed for a much bigger car, but still, good result.
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CNHSS1
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| posted on 4/5/13 at 09:30 AM |
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have you tried retightening the wheel bearing?
ive often fitted new, torqued correctly, and then done a few miles (track miles to be fair) and had them free up and become sloppy. re-torqueing 2nd
time cures it.
fingers crossed its that and not a knackered bearing
"Racing is life, everything else, before or after, is just waiting"---Steve McQueen
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rodgling
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| posted on 4/5/13 at 11:50 AM |
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Managed to get a new bearing pressed on this morning so that's sorted, I hope.
The old bearing was definitely dead though - there was no play in the wheel, but it was very stiff and notchy to turn by hand and made a lot of noise.
Odd as it's designed to support a much bigger car and it's only done a few thousand miles, but still, easy fix.
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coyoteboy
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| posted on 4/5/13 at 04:00 PM |
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Possibly poor assembly or contamination then - you have to be clinically clean when assembling wheel bearings and careful with the torque wrench if
you want them to last. The other possibility is that the mounting surfaces are damaged - seen this kill a succession of wheel bearings.
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