how much noise

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GEODAVKY
Posts: 97
Joined: Wed Nov 21, 2007 9:40 pm

how much noise

Post by GEODAVKY »

With my new hearing aids I'm discovering that my rear end makes a constant whining noise when under load. Let off the accelerator and the noise pretty much goes away. Reminds me of straight cut gears, but not as loud. So do rear ends in 330 GT's typically make some noise at highway speed?
1967 330 GT 2+2 8767
George Davidson
afwrench
Posts: 412
Joined: Fri Jan 28, 2005 9:13 am
Location: upstate new york

Re: how much noise

Post by afwrench »

The first two sentences of your post could be taken in more than one way. I am so glad you mentioned your car at the end. Mike
72,365gtc4,14681,2007 599 GTB
John Vardanian
Posts: 1908
Joined: Wed Sep 04, 2002 12:13 am
Location: San Francisco Area

Re: how much noise

Post by John Vardanian »

I recently traced a similar noise to the three-piece pinion shaft bearing.

john
PF Coupe
GEODAVKY
Posts: 97
Joined: Wed Nov 21, 2007 9:40 pm

Re: how much noise

Post by GEODAVKY »

How did you trace it down?
1967 330 GT 2+2 8767
George Davidson
John Vardanian
Posts: 1908
Joined: Wed Sep 04, 2002 12:13 am
Location: San Francisco Area

Re: how much noise

Post by John Vardanian »

Quite by accident... I couldn't stop some minute oil seeping past the lip seal so I replaced the car's original front pinion bearing with a Japanese sealed unit, in effect damming the oil. The slight turbine-like noise went away, but it wasn't the noise I was hunting, it was the leak. I came to the conclusion that the bearing was the source of the noise. The car's original bearing is a piece unit, a real engineering beauty.

john
PF Coupe
Steve Meltzer
Posts: 987
Joined: Mon Sep 06, 2004 10:31 am
Location: with Barney the Beagle boy and Enzo 8995

Re: how much noise

Post by Steve Meltzer »

Mike, thanx for the laugh...still chuckling. Sounds like the sorta thing I might say or do! s
steve meltzer,
"I've spent all of my money on wine, a beautiful woman, and stunning cars. Then, squandered the rest."
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