2013 Chevrolet Tahoe Owner Manual - Page 451

Service and Maintenance Usage Fluid/Lubricant 11-13 Front Axle (1500 Series Vehicles with SAE 80W-90 Axle Lubricant (GM Part No. 89021671, in Four-Wheel Drive) Canada 89021672). Front Axle (2500 Series Vehicles with SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in Four-Wheel Drive) Canada 89021678). 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 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).