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1. Disconnect battery negative cable. 2. Partially drain cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE). 3. Remove upper radiator hose clamp and hose at radiator. 4. Unplug wiring harness from A/C compressor. 5. Remove air cleaner assembly. 6. Remove accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL). 7. Remove bracket-to-intake manifold bolts. 8. The drive belt idler pulley must be removed to gain access to one of A/C compressor/generator bracket 9. Remove oil dipstick tube mounting bol (3) at side of A/C-generator mounting bracket. 10. Disconnect throttle body cables. 11. Remove heater hose clamp and heater hose from heater hose coolant return tube. 12. Remove heater hose coolant return tube mount- ing bolt and remove tube from engine. Discard 13. Remove six bracket bolts. 14. Lift and position generator and A/C compressor (along with their common mounting bracket) to 15. Loosen and position both hose clamps to center of bypass hose. Remove hose from vehicle. INSTALLATION WITHOUT AIR CONDITIONING 1. Position bypass hose clamps to center of hose. 2. Install bypass hose to engine. 3. Secure both hose clamps. 4. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE). 5. Start and warm the engine. Check for leaks. WITH AIR CONDITIONING 1. Position bypass hose clamps to center of hose. 2. Install bypass hose to engine. 3. Secure both hose clamps. 4. Install generator-A/C mounting bracket assembly to engine. Tighten bolts (number 1 and 2 ) to 54 N·m (40 ft. lbs.) torque. Tighten bolts (number 3 ) to 40 N·m (30 ft. lbs.) torque. 5. Install a new O-ring to the heater hose coolant return tube. Coat the new O-ring with antifreeze before installa- tion. 6. Install coolant return tube and its mounting bolt to engine. 7. Connect throttle body control cables. 8. Install oil dipstick mounting bolt. 9. Install idler pulley. Tighten bolt to 54 N·m (40 ft. lbs.) torque. HB ENGINE 7 - 51 |