Nasty noise from the rear axle

Technical advice Q&A

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pmansson
Posts: 250
Joined: Sun May 16, 2010 8:31 am
Sweden

#1 Nasty noise from the rear axle

Post by pmansson » Sun Jun 02, 2013 7:38 pm

My 66 E-type has a newly rebuilt IRS.
At speeds over 80 MPH, I have a very loud noise from the rear axle.
If I let go of the gas pedal or press it for further acceleration,
the noise disappears, but when I press it gently to keep the speed
up, the noise is there all the time. Very annoying....
No vibrations or other side effects. It is not a crunching noise.
More of a shearing? or fine grinding/cutting noise.
All ideas most welcome..!!

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abowie
Posts: 4149
Joined: Wed Sep 07, 2011 9:15 pm
Location: Australia
Australia

#2

Post by abowie » Mon Jun 03, 2013 9:49 am

No idea but what you describe sounds like something rubbing...
Andrew.
881824, 1E21538. 889457. 1961 4.3l Mk2. 1975 XJS. 1979 MGB (supercharged).
Adelaide, Australia

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Moeregaard
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Location: Thousand Oaks, California
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#3

Post by Moeregaard » Wed Jun 05, 2013 2:59 pm

I'd check the "low-hanging fruit," i.e., the easy stuff. My initial thought is that perhaps the handbrake cable is routed in such a way that it's making intermittent contact with the driveshaft, as the the suspension assembly shifts under load. It doesn't sound like an internal problem, but you can always have a sample of the differential oil analyzed for metal particulates.
Mark (Moe) Shipley
Former owner '66FHC, #1E32208
Former owner '65FHC, #1E30036

Planning on getting E-Type No. 3 as soon as possible....

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