Owner's Manual
Page 296
... Lubricant Additive (GM Part No. Silicone Grease (GM Weatherstrip Dielectric 12345579, in Canada 992723) or lubricant meeting GM Specification 9986115. See Rear Axle on page 5-39. Chassis Lubricant (GM Part No. Conditioning 992887). 6-22 SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. ...9986115. With a complete drain and refill add 4 ounces (118 ml) of NLGI #2, Category LB or GC-LB. Usage Rear Axle Rear Axle (Limited-Slip Differential) Chassis Lubrication Fluid/Lubricant SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12346293, in Canada Part No.
... Lubricant Additive (GM Part No. Silicone Grease (GM Weatherstrip Dielectric 12345579, in Canada 992723) or lubricant meeting GM Specification 9986115. See Rear Axle on page 5-39. Chassis Lubricant (GM Part No. Conditioning 992887). 6-22 SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. ...9986115. With a complete drain and refill add 4 ounces (118 ml) of NLGI #2, Category LB or GC-LB. Usage Rear Axle Rear Axle (Limited-Slip Differential) Chassis Lubrication Fluid/Lubricant SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12346293, in Canada Part No.