1994 GMC Sonoma Owner's Manual - Page 309

Recommended Fluids& Lubricants NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM Dealer. USAGE Engine Oil FLUIDLUBRICANT API service SH or SG Energy Conserving I1 oils of the proper viscosity. The "SH" or "SG"designation may be shown alone or in combination with others, such as "SH/CD", or "SH, SG, CD," or "SGKD", etc. To determine the preferred viscosity oil for your vehicle's engine (e.g. SAE5W-30). See "Engine Oil" in the Index. Mixture of water and a good quality ethylene glycol base antifreeze conforming to GM-6038-M (4.3L) or GM-6043-M (2.2L) Hydraulic Clutch Fluid (GM Part No. 12345347 or equivalent). Delco Supreme I1 brake fluid (GM Part No. 1052535 or DOT-3). GM Power Steering Fluid (GM Part No. 1050017) or equivalentconforming to GM spec 99850 10. GM Lubricant (GM Part No. 1052182) or equivalent. DEXRON@-I11 (perferred) or DEXRON@-TIE Automatic Transmission Fluid. a. DEXRON@-TIE Automatic Transmission Fluid (GM Part No. 1051855). b. Synchromesh Transmission Fluid (GM Part No. 12345349). a. SAE-SOW-90 GL-5 gear lubricant (GM Part No. 1052271 ). b. SAE-SOW-90 gear lubricant (GM Part No. 1052271). DEXRON@-IIE Automatic Transmission Fluid (GM Part No. 105 1855). Engine Coolant Hydraulic Clutch System Hydraulic Brake Systems Power Steering System Manual Steering Gear Automatic Transmission Manual Transmission: a. 5-Speed (2.2L Engine) b. 5-Speed (4.3L Engine) Differential: a. Standard - Front and Rear Axle b. Locking Transfer Case 7- 13