GA95DCMSS

iTrader: (13)

I put the Revshift 95A diff bushing in on Thursday of last week, and this cursed chunk is still there...It's just a more solid thunk now. Has anyone had a similar problem?

Also, is the pinion seal reliable on these diffs? Mine is weeping just enough to get under my skin. Anyone have a part number?

xbladr

iTrader: (2)

If you are talking about the parade clunk and still have the stock clutch then that could definitely be the reason for the clunk.

EdmundGTP

The "clunk" is occurring somewhere else in your drivetrain and the stiffness of the new mount is amplifying its presence..

TheLostDriver

How do your motor mounts look? Replaced mine and my loud clunk went away

DACTARI

iTrader: (1)

I would have thought they'd be less likely to clink than the stock or CS design due to lack of a metal sleeve to expand or shrink with temperature.

FuzzyLog1c

iTrader: (4)

Revshift offers 80A and 95A bushings. They don't sell a 90A bushing.

The Creative Steel bushing (rated at 87A) reduced clunk on my CTS-V by about 2/3, but has since degraded to about 1/3, which may be due to their material generally sucking. I'm still a couple of weeks out from installing all of the Revshift bushings (including a 95A differential bushing)...will have a more definitive answer then. Pictures...probably. Depends on what I have to do to get the old bushing out. When I put it in, I had the advantage of using their bushing installation and removal tool.

GA95DCMSS

iTrader: (13)

You know what I meant Fuzzy, 95A. This clunk definitely seems worse than it was before and isolated to the rear end. More specifically its when taking off in 1st i can feel it, or if I'm cruising along and let off the gas to coast, then reapply I can repeat it anytime. I guess I'll be replacing the clutch and flywheel in the somewhat near future anyway, so hopefully that gets rid of it. Btw, the motor mounts are UMIs. I haven't gotten a chance to do the cradle bushings yet, but I'll definitely be checking to make sure things are tight on the diff before I dive into the trailing arm bushings today.

FuzzyLog1c

iTrader: (4)

I wonder if you forgot to tighten something up when you were putting things back together. You should've noticed a marked decrease in clunk. Maybe give it the Mark 0 eyeball when you're under there next.

GA95DCMSS

iTrader: (13)

That's what I'm thinking. Maybe didn't tighten down the diff bolts enough. I'll have it on the lift at the shop today to take a look right after I get the old Mark 0 recalibrated.

GA95DCMSS

iTrader: (13)

Found the problem. The front diff bolt had worked itself loose. Why it did, idk. I'm assuming I didn't tighten it as much as I thought I did.

DACTARI

iTrader: (1)

And the clunk?

GA95DCMSS

iTrader: (13)

Chunk is gone. Did the trailing ARM bushing today too. Took me longer to get everything disassembled than it did to actually replace the bashing.