1994 Chevrolet Astro Owner's Manual - Page 259

Other MaintenanceRems Front Suspension and Steering Linkage Refer to the Maintenance Schedule to determine how often to lubricate the fittings and what type of lubricant to use. Front Wheel Bearing (Two-Wheel Drive) If your vehicle is two-wheel drive, it has wheel bearings that must be cleaned and repacked. Refer to the Maintenance Schedule to determine how often this must be done. Single Belt Accessory Drive Your new vehicle uses a serpentine belt that is lighter, and moredurable than systems withseveral belts. The belt runs over or around the pulleys on the engine. A tensioner is used to keep the belt tight at all times. The tensioner also makes replacing the belt easier.If you need toreplace the belt, be sure to getthe correct replacement belt. Your dealership or parts supplier can help you with this. The Accessory Drive Belt Routing label on your vehicle will show you how to route the belt your vehicle uses. Windshield Wiper Blade Inserts To replace your windshield wiper blade inserts, lift the wiper arm away from the windshield. Pinch the two tabs onthe wiper arm and slide the insert out of the blade. Slide the new one inplace. Make sure the tabs are locked into position. 6-41