Jeep Grand Cherokee WK. Manual — part 1240
7. Remove heat shield.
8. Remove manifold bolts using sequence provided.
9. Remove manifold and gasket.
CLEANING
Clean mating surfaces on cylinder head and manifold. Wash with solvent and blow dry with compressed air.
INSPECTION
Inspect manifold for cracks.
Inspect mating surfaces of manifold for flatness with a straight edge. Gasket surfaces must be flat within 0.2 mm per
300 mm (0.008 inch per foot).
INSTALLATION
EXHAUST MANIFOLD
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WK
1. Install manifold gasket and manifold.
2. Install manifold bolts and tighten to 25 N·m (18 ft.
lbs.).
3. Install heat shield and tighten nuts to 8 N·m (70 in.
lbs.).
4. Install engine mounts. (Refer to 9 - ENGINE/ENGINE MOUNTING/FRONT MOUNT - INSTALLATION)
5. Lower engine.
CAUTION: Do not damage engine harness while lowering the engine.
6. Install and tighten right and left side engine mount to frame fasteners (4) (Refer to 9 - ENGINE/ENGINE
MOUNTING/FRONT MOUNT - INSTALLATION) .
7. Install exhaust flange to pipe bolts.
8. Lower vehicle.
9. Connect negative battery cable.
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ENGINE - 5.7L SERVICE INFORMATION
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COVER-TIMING
REMOVAL
1. Disconnect the battery negative cable.
2. Remove the engine cover (1).
3. Remove air cleaner assembly.
4. Drain cooling system.
5. Remove accessory drive belt.
6. Remove fan and fan drive assembly (Refer to 7 -
COOLING/ENGINE/FAN
DRIVE
VISCOUS
CLUTCH - REMOVAL).
7. Remove coolant bottle and washer bottle.
8. Remove fan shroud.
NOTE: It is not necessary to disconnect A/C lines
or discharge freon.
9. Remove A/C compressor and set aside.
10. Remove the generator.
11. Remove upper radiator hose.
12. Disconnect both heater hoses at timing cover.
13. Disconnect lower radiator hose at engine.
14. Remove accessory drive belt tensioner and both
idler pulleys.
15. Remove crankshaft damper (2) (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL).
NOTE: Do not remove the hoses from the power
steering pump.
16. Remove power steering pump and set aside.
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17. Remove the dipstick support bolt.
18. Drain the engine oil.
19. Remove the oil pan and pick up tube (Refer to 9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL).
NOTE: It is not necessary to remove water pump for timing cover removal.
20. Remove timing cover bolts and remove cover.
21. Verify that timing cover slide bushings (1) are located in timing cover.
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ENGINE - 5.7L SERVICE INFORMATION
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