2004 Chevrolet Tahoe Owner's Manual - Page 514
2004 Chevrolet Tahoe Manual
Page 514 highlights
Usage Rear Axle Fluid/Lubricant SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115. Synthetic Axle Lubricant; use only GM Part No. 12378557 (in Canada 88901362). Do not add friction modifier. DEXRON®-III Automatic Transmission Fluid. AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626). Usage Hood Hinges Outer Tailgate Handle Pivot Points Weatherstrip Conditioning Weatherstrip Squeaks Fluid/Lubricant Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887). Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437). Rear Axle (Steerable) Transfer Case (All-Wheel Drive with Stabilitrak®) Automatic Transfer Case (Four-Wheel Drive) Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.) Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830. 6-14