1994 GMC Safari Owner's Manual - Page 228
1994 GMC Safari Manual
Page 228 highlights
To Check Engine Oil 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 line, then you'll needto 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 the Index. NOTICE: Don't add too much oil. your engine has much oil that the If so oil level gets above the cross-hatched area that shows the proper operating range, your engine could damaged. be 6-10
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