1998 GMC Suburban Owner's Manual - Page 409

USAGE Chassis Lubrication FLUIDLUBRICANT Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Wheel Bearing Lubricant meeting requirements of NLGI # 2, Category GC or GC-LB (GMPart No. 105 1344 or equivalent). Axle Lubricant (GM Part No. 1052271) or SAE 80W-90 GL-5 Gear Lubricant. DEXRON@-111Automatic Transmission Fluid. GM Optikleen@Washer Solvent (GM Part No. 105 15 or 15) equivalent. USAGE Front Axle Propshaft Spline and Universal Joints One-Piece Propshaft Spline (With Two-Wheel Drive) FLUIDLUBRICANT Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Spline Lubricant, Special Lubricant (GM Part No. 12345879) or lubricant meeting requirements of GM 998530. Lubriplate Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI ## 2, Category LB or GC-LB. Front Wheel Bearings Differential, Front and Rear Axle Transfer Case Windshield Washer Solvent Hood Latch Assembly, Pivots, Spring Anchor and Release Pawl 7-45