1997 Chevrolet Astro Owner's Manual - Page 328

Part A: Scheduled Maintenance Services Using Your Maintenance Schedule We at GeneralMotors want to help you keep your vehicle in good working condition. But we don't know exactly how you'll drive it. You may drive very short distances only a few times a week. Or you may drive long distancesall the time in very hot, dusty weather. You may use your vehicle in making deliveries. Or you may drive itto work, to do errands orin many other ways. Because of all the different ways people use their GM vehicles, maintenance needs vary. You may even need more frequent checksand replacements than you'll find in the schedules in this section. So please read this section and note how you drive. If you have any questions on how to keepyour vehicle in good condition, see your GMdealer. This part tells you the maintenance servicesyou should have done and when you should schedule them. If you go to your dealer foryour service needs, you'll know that GM-trained and supported service people will perform the work using genuine GM parts. The proper fluids and lubricantsto use are listed inPart D. Make sure whoever services your vehicle uses these. All parts should be replaced andall necessary repairs done before you or anyone else drives the vehicle. These schedules are for vehicles that: 0 carry passengers and cargo within recommended limits. You will find these limits on your vehicle's Certificationmire label. See "Loading Your Vehicle'' in the Index. are driven on reasonable road surfaces within legal driving limits. 0 use the recommended fuel. See "Fuel" in the Index. Selecting the Right Schedule First you'll need to decide which of the two schedules is right for your vehicle. Here's how to decide which schedule to follow: 7-4