Chevrolet 2012 Express Owner's Manual page 356

11-14 Service and Maintenance
Usage Fluid/Lubricant
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Key Lock Cylinders
Canada 10953474).
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
Chassis Lubrication
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Wheel bearing lubricant meeting requirements of NLGI #2, Category GC or
Front Wheel Bearings
GC-LB (GM Part No. 1051344, in Canada 993037).
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in
Front and Rear Axle
Canada 89021678).
®
Transfer Case DEXRON -VI Automatic Transmission Fluid.
One-Piece Propshaft Slip Yoke
Spline Lubricant, Special Lubricant (GM Part No. 12345879, in
Spline, Two-Piece Propshaft
Canada 10953511).
Slip-in-Tube Spline
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Hood Hinges
Canada 10953474).
Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Weatherstrip Conditioning
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 992887).
Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Weatherstrip Squeaks
Canada 10953437).