1999 GMC Sonoma Owner's Manual - Page 248

yellowblue When you lift the hood, you'll see these items on the "VORTEC" 4300 V6 engine: A. Battery B. Coolant Recovery Tank C. Engine Oil Dipstick D. Engine Oil Fill E. Automatic Transmission Dipstick F. Power Steering Reservoir G. H. I. J. Brake Master Cylinder Engine Air Cleaner/Filter Engine Compartment Fuse Block Windshield Washer Fluid Reservoir 6-10