1994 Chevrolet Suburban Owner's Manual - Page 261

Engine Oil(Except Diesel) It's a good idea to check your engine oil every time you get fuel. In order to get an accurate reading, the oil must be warm and the vehicle must beon level ground. Turn off the engine and give the oil a few minutes to drain back into the oil pan.If you don't, the oil dipstick might not showthe actual level. 1 r"' ' ' To Check Engine Oil I Pull out the dipstick and clean it with a paper towel or cloth, then push it back in all the way. Remove it again, keeping the tip lower. When to Add Oil If the oil is at or below the ADD mark, then you'll need to add some oil. But you must use the right kind. This section explains what kind of oil to use. For crankcase capacity, see "Capacities and Specifications" in theIndex. 6-16