1997 GMC Suburban Owner's Manual - Page 399

Part B: Owner Checks and Services Listed below are owner checks and services which should be performed at the intervals specified to help ensure the safety, dependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once. Whenever any fluids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Part D. Engine Coolant Level Check Check the engine coolantlevel and add the proper coolant mix if necessary. See "Engine Coolant" in the Index for furtherdetails. Windshield Washer Fluid Level Check Check the windshield washer fluid level in the windshield washer tank and add the proper fluid if necessary. See "Windshield Washer Fluid" in the Index for further details. At Each Fuel Fill It is inzportant for you or a service station attendantto per.$ornz th.ese underhood checks at each fLle1,fill. At Least Once aMonth Tire Inflation Check Make sure tires are inflated to the correct pressures. See "Tires" in the Index for further details. Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See "Engine Oil" in the Index for further details. Cassette Deck Service Clean cassette deck. Cleaning should be done every 50 hours of tape play. See "Audio Systems" in the Index for further details. 7-43