Hello Ron,
I have the identical in my BN1 - Mike's new 3:54 rear end installed by
Pro-Gear
in a 3000 differential - new carrier, spider gears, new bearings and seals.
1,000 miles and no noise - yet. I wish I could offer suggestions but have
none.
Usually, clunking sounds back there when shifting come from the U joints.
You
say the sounds are continuous and come from the differential when driving
slowly? Can you drive by Pro-Gear and let them listen to the sound? Might
be a good first step?
Wish I could offer better advice...
david c
San Diego
----- Original Message -----
From: "Ron Fine" <RonFineEsq@earthlink.net>
To: <healeys@autox.team.net>
Sent: Sunday, May 21, 2006 12:51 PM
Subject: Differental Noise
> Hi again, I've been trying to put some easy miles on my BN7 to break in
> the
> engine and I have about 350 miles on it to date which means that I also
> have
> the same on my new differential gears from Mike Lempert. The differential
> was
> rebuild by Pro-Gear in San Diego with the new gear set and some bearings
> so I
> assume that it was done correctly. I followed the break in instructions
> to
> the letter, but I have started to hear a clunking noise during slow speed
> shifting which I believe I have isolated to the differential. The drive
> shaft
> bolts are tight; the universal joints are new; All suspension bolts are
> tight. There is about a 1/4 inch of free play or rotation when I rotate
> the
> driveshaft back and forth which produces a clunking sound in the
> differential.
> Is this normal? If not, is it doing damage to the new gears or can I
> drive
> it this summer before taking it apart to get it fixed?
> As always, thanks for any advise.
> Ron Fine
> 61BN7
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