How much additive does my rear differential need?

Tiny
JETLAND
  • MEMBER
  • 1989 CHEVROLET 2500
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 100 MILES
I have a slip differential that requires the additive. My question is how much of the additive do I put in the rear differential before I add the gear oil?
Sunday, June 13th, 2021 AT 7:14 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

Do you know if it is a G80 limited slip? My manual indicates additives are not to be used. Take a look at the attachment below.

Let me know if this is what you have. Everything that is a limited-slip locking axle is saying the same thing as below.

Take care,

Joe

See pic below.
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Sunday, June 13th, 2021 AT 10:11 PM

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