GMC Yukon XL Denali Owner's Manual page 423

Usage
Front and Rear Axle
Transfer Case
Front Axle Propshaft Spline
Hood Hinges
Body Door Hinge Pins, Tailgate
Hinge and Linkage, and Fuel Door
Hinge
Outer Tailgate Handle Pivot Points
Weatherstrip Conditioning
Weatherstrip Squeaks
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in
Canada 89021678).
DEXRON®-VI Automatic Transmission Fluid.
Spline Lubricant, Special Lubricant (GM Part No. 12345879, in
Canada 10953511).
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 992887).
Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).
Service and Maintenance
Fluid/Lubricant
11-13