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Thanks for reminding me of this... I believe my diff is starting to whine too... but it is weird because when my auto changes gear the whine gets softer... I would figure that the whine would stay the same because the car is moving the same speed, if not a little faster
My diff has always whined. It's pretty loud now, but I've given it about 40 thousand miles of hell and it's been fine functionally. IIRC it's the output bearings that typically cause this, and it really only happens with LSDs. Most open diffs are fine.
Usually bearings. Sometimes incorrect gear lash. Change output bearings and see if it goes away. If not, pull the lsd out, change input bearing, and a new crush bushing and re-set gear lash.
My diff has always whined. It's pretty loud now, but I've given it about 40 thousand miles of hell and it's been fine functionally. IIRC it's the output bearings that typically cause this, and it really only happens with LSDs. Most open diffs are fine.
Usually bearings. Sometimes incorrect gear lash. Change output bearings and see if it goes away. If not, pull the lsd out, change input bearing, and a new crush bushing and re-set gear lash.
in my e21 my diff makes horrible noises that no human would enjoy.....
think loud banging squeaking and grinding. i still gotta jack it up and check her out ;) haha
Mine is noisy too, still has plenty of grab. Ive switched out Motul and put in Redline. No change. You think its loud now? Dont take out the back seat.
Lol, the less sound deadening you have the louder it will be, same with poly subframe bushings, it will reverberate through the chassis.
Worn pinion bearings are usually the cause of whiny diffs, but if you are going to go to the trouble of replacing them then consider fresh clutches, even if yours do work they more than likely don't have as much grab as they used to.
1985 M10b18. 70maybewhpoffury. Over engineered S50b30 murica BBQ swap in progress.
Originally posted by DEV0 E30
You'd chugg this butt. I know you would. Ain't gotta' lie to kick it brostantinople.
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