1995 Chevrolet Blazer Owner's Manual - Page 254

While reassembling the air cleaner assembly, ensure that theair cleaner cover tabs are fully inserted into the slotsthe air cleaner housing.On the in 4.3L (VIN W) engine, also make certain thatthe PCV air tube is properly seated in the left hand valve cover. Refer to the Maintenance Schedule to determine when to redace the air filter. See "Scheduled Maintenance Services"in the Index. NOTICE: If the air cleaner is a backfire can causea damaging engine off, fire. And, dirt can easily get into your engine, which will damage it. Always have the air cleaner in place when you're driving. Automatic TransmissionFluid -When to Checkand Change A good time to check your automatic transmission fluid level is when the engine oil is changed. Refer to the MaintenanceSchedule to determine when to change your fluid. See "Scheduled Maintenance Services" in the Index. How to Check Because this operationcan be a little difficult, you may choose to have this done at your GM dealership Service Department. If you do it yourself, be sure to follow all the instructions here, could or you get afalse reading on thedipstick. 6- 14