ENGINE MAINTENANCE - Maintenance Procedures back to its normal position. If the tensioner had been temporarily blocked, relieve tensioner pressure enough to remove the locking pin, then allow the tensioner to spring back to its normal position. 1. Remove the poly V-belt from the fan and coolant pump drive as described in Poly V-belt and Fan Drive Belt Removal. Flex Bar on Tensioner - Compressor and Coolant Pump Belt 2 NOTE NOTE Removing the fan blade is not neces- sary if only the accessory belt is re- moved. After removing the fan drive belt from its pulleys the accessory belt can be removed over the fan blade. Do not reuse nylon patch lock nuts.
Replace with new lock nuts when rein- stalling parts. 3. Reinstall fan blade using fan blade bolts and new 9/16" nylon patch lock nuts. 4. Reconnect the electrical ground wire to the battery. 2. Next, place a flex-bar with a 15 mm socket on the alternator and air conditioning compressor drive belt tensioner roller fastener as shown. Move the bar in the direction shown to relieve pressure on the belt tensioner. Poly V-belt, Alternator, Air- Conditioning Compressor Drive and Coolant Pump Drive Removal Procedure to remove poly v-belt, alternator, air-conditioning compressor drive and coolant pump drive engine belts. 3.
With the belt tensioner pressure relieved, remove the poly V-belt from the pulleys. The tensioner can be temporarily blocked with a 0.16-0.2 inch (4-5 mm) thick pin (bore). This facilitates removal and installation of the poly V- belt. 4. After removing the belt, carefully allow the belt tensioner to spring Follow the steps below to remove the poly v-belt, alternator, air-conditioning compressor drive and coolant pump drive belts: Y53-1166-1G1 (08/2018) 71