Intermediate Shaft Bearing Housing Cavity

Lubricant

12377985 or equivalent or lubricant meeting requirements of NLGI #2, Category LB or GC-LB

Intermediate Shaft Bearing Housing Mating Surfaces

Sealant

US PN 1052942, Canadian PN 10953466 or equivalent

Differential Carrier Assembly Case Mating Surfaces

Sealant

US PN 88861422 or equivalent

Front Drive Axle

Lubricant

US PN 89021677, Canadian PN 89021678 or equivalent meeting GM Specification 9986115

Pinion Yoke Splines

Sealant

US PN 12346004, Canadian PN 10953480 or equivalent