1997 GMC Suburban Owner's Manual - Page 405

Part D: Recommended Fluids and Lubricants NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM dealer. I USAGE Parking Brake Cable Guides FLUID/LUBRICANT Chassis lubricant (GM Part No. 1052497 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. GM Power Steering Fluid (GM Part No. 1052884 - 1 pint, 1050017 - 1 quart, or equivalent). DEXRON@-I11Automatic Transmission Fluid. Multi-Purpose lubricant, Superlube@ (GM Part No. 1234624 1 or equivalent). Chassis lubricant (GM Part No. 1052497 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. USAGE Engine Oil (Gasoline Engine) FLUID/LUBRICANT Engine oil with the American Petroleum Institute Certified For Gasoline Engines "Starburst" symbol of the proper viscosity. To determine the preferred viscosity for your vehicle's engine, see "Engine Oil" in the Index. Power Steering System Automatic Transmission Key Lock Cylinders Chassis Lubrication Engine Coolant 50/50 mixture of clean water (preferably distilled) and GM Goodwrench' DEX-COOL@or Havoline@ DEX-COOL@ (silicate-free) coolant. See "Engine Coolant" in the Index. Delco Supreme 11 Brake Fluid (GM Part No. 12377967 or equivalent DOT-3 brake fluid). @ Hydraulic Brake System 7-49