1994 Chevrolet Blazer Owner's Manual - Page 251

NOTICE: If the air cleaner off, a backfire can cause a damaging engine is fire. And, dirt caneasily get into your engine, which damage will it. Always have the air cleaner in place when you're driving. Automatic TransmissionFluid When to Check and Change A good time to check your automatic transmission fluid level is when the engine oil is changed. Refer to the Maintenance Schedule to determine when to change your fluid. See "Scheduled Maintenance Services" in the Index. How to Check Because this operation can be a little difficult, you may choose to have this done at a GM dealership Service Department. If you do it yourself, be sure to follow all the instructions here, or you could get a false reading on the dipstick. NOTICE: Too much or too little fluid can damage your transmission. Too much can mean that somethe fluid could come out and fall on of hot engine parts or exhaust system, starting Be sure to get a fire. an accurate reading you check your transmission if fluid. 6-15