Posi?
Thread Starter
Pro
Joined: Oct 2003
Posts: 550
Likes: 0
From: Hesperia California
Thanks!
Do these posi's need an additive to the differential grease like the old posi's required. The reason I ask is, I have a noise almost like a bad u-joint. I just replaced both half shaft u-joints with Spicers, and had a new aluminum drive shaft built also with Spicers.
The car was purchased from an older lady who babied it from brand new, and I never drive the car hard. The wheels have probably never been spun. The car has 99,000 miles on it and I find it hard to believe that the rear end is going out. I could be wrong!
Any input?
Do these posi's need an additive to the differential grease like the old posi's required. The reason I ask is, I have a noise almost like a bad u-joint. I just replaced both half shaft u-joints with Spicers, and had a new aluminum drive shaft built also with Spicers.
The car was purchased from an older lady who babied it from brand new, and I never drive the car hard. The wheels have probably never been spun. The car has 99,000 miles on it and I find it hard to believe that the rear end is going out. I could be wrong!
Any input?
Racer
Joined: Apr 2002
Posts: 342
Likes: 0
From: new orleans La
[QUOTE=REDC4CORVETTE]Change the fluid and add 2 bottles of posi addative.QUOTE]
I made the mistake of only adding one bottle of additive. The rearend would let out a loud whine everytime I turned either left or right. Problem solved by adding a second bottle.
I made the mistake of only adding one bottle of additive. The rearend would let out a loud whine everytime I turned either left or right. Problem solved by adding a second bottle.
Burning Brakes
Joined: Nov 2003
Posts: 914
Likes: 1
From: Redding Ca
This sounds really stupid, but make sure both tires are the same diameter. I am not sure that would make a whine sound but it sure would eat up the posi. My 1988 D-36 makes a little sound which I have just come to accept. I have put 65,000 miles (165M total) on the car and the sound has always been there but does not get worse. That car was owned consecutively by three women (all within the same family, never raced) 
When you drain the old out of the differential, look closely for metal flakes.
When you drain the old out of the differential, look closely for metal flakes.
