GMC Yukon XL 2013 Owner's Manual page 456

11-12 Service and Maintenance
Usage
Front Axle (1500 Series Vehicles with
Four-Wheel Drive)
Front Axle (2500 Series Vehicles with
Four-Wheel Drive)
Rear Axle
Transfer Case (Four-Wheel Drive)
Front Axle Propshaft Spline or
One-Piece Propshaft Spline
(Two-Wheel Drive with Auto. Trans.)
Hood Hinges
Outer Tailgate Handle Pivot Points
Weatherstrip Conditioning
Weatherstrip Squeaks
Fluid/Lubricant
SAE 80W-90 Axle Lubricant (GM Part No. 89021671, in
Canada 89021672).
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in
Canada 89021678).
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).
Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).