1997 GMC Sonoma Owner's Manual - Page 370

Part D: Recommended Fluid. and Lubricants Nom: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM dealer. ____~ USAGE Hydraulic Brake System FLUID/LUBRICANT Delco Supreme 11 Brake Fluid (GM Part No. 12377967 or equivalent DOT-3 brake fluid). @ USAGE Engine Oil FLUID/LUBRICANT Engine oil with the American Petroleum Institute Certified For Gasoline Engines "Starburst" symbol of the proper viscosity. To determine thepreferred viscosity for your vehicle's engine, see "Engine Oil" in the Index. Hydraulic Clutch Hydraulic Clutch Fluid (GM Part No. 12345347 or equivalent System DOT-3 brake fluid). Power Steering System Manual Transmission with V6 Engine Manual Transmission with L4 Engine Automatic Transmission Key Lock Cylinders GM Power Steering Fluid (GM Part No. 1052884 - 1 pint, 1050017 - 1 quart, or equivalent). Synchromesh Transmission Fluid (GM Part No. 12345349 or equivalent). Manual Transmission Fluid (GM Part No. 12377916 or equivalent). DEXRON@-111Automatic Transmission Fluid. Multi-Purpose lubricant, Superlube@ (GM Pa-tNo. 12346241 or equivalent). Engine Coolant 50/50 mixture of clean water (preferably distilled) and use only GM Goodwrench@DEX-COOL or Havoline@DEX-COOL coolant. See"Engine Coolant''in the Index. TM TM Coolant Supplement Sealer GM Part No. 3634621 or equivalent with a complete flush and refill.