Differential Fluid
Differential Fluid I plan to change my Differential Fluid this weekend.
Question is, is what Brand do you guys use? Also whats the GM additive I need. People say you dont need it but i figured what the hell it wont hurt to add it.
Question is, is what Brand do you guys use? Also whats the GM additive I need. People say you dont need it but i figured what the hell it wont hurt to add it.
Originally Posted by Yahelou
im doin it this weekend too. im using 75w90 like rpm said. but im using royal purple max gear. it has the slip additive already in it.
Also thanks guys for the info help
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Originally Posted by RPM WS6
For '99-'02 cars, use synthetic 75w90 (GM LSD additive is optional).
For '98 cars, use conventional 80w90 + GM LSD additive (required).
For '98 cars, use conventional 80w90 + GM LSD additive (required).
