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25. Remove A/C compressor mounting bolts. Reposi- tion A/C compressor. Do not disconnect A/C lines. 26. Disconnect the power steering line support bracket at the radiator. 27. Lower the vehicle. 28. Remove the upper radiator hose and coolant recovery container. 29. Remove the cooling fan module (Refer to 7 - COOLING/ENGINE/RADIATOR FAN - REMOVAL). 30. Remove the upper idler pulley. 31. Remove power steering pump mounting bolts. Reposition power steering pump aside. Do not 32. Remove the generator (Refer to 8 - ELECTRI- CAL/CHARGING/GENERATOR - REMOVAL). 33. Disconnect the heater hose at the timing cover. 34. Disconnect the ground wire at the thermostat housing. NOTE: Do Not remove the camshaft position sensor from the timing cover. 35. Disconnect the camshaft sensor wiring harness connector. 36. Disconnect engine coolant temperature (ECT) sensor connector. 37. Remove crankshaft pulley and damper (Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION DAMPER - REMOVAL). 38. Remove the timing cover. INSTALLATION CAUTION: Do not use a metal scraper to clean alu- T Brake Parts Cleaner or the equivalent. 1. Be sure mating surfaces of chain case cover and cylinder block are clean and free from burrs. 2. Install the timing chain cover gasket. 3. Position the oil pump inner rotor mating flats in the same position as the crankshaft drive flats. 4. Install the timing chain cover onto crankshaft. Ensure the oil pump is engaged on the crankshaft PUMP - INSTALLATION). 9 - 2478 ENGINE - 8.3L - SERVICE INFORMATION DR/DH |