Jeep Grand Cherokee WK. Manual — part 1177
10. Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
11. Remove torque converter bolts (3) (Automatic
Transmission Only).
12. Remove transmission to engine mounting bolts
(3).
13. Disconnect the engine block heater power cable
from the block heater, if equipped.
14. Lower vehicle.
15. Remove throttle body resonator assembly and air
inlet hose.
16. Disconnect throttle and speed control cables.
17. Disconnect tube from both the left and right side
crankcase breathers (1). Remove breathers.
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ENGINE - 4.7L SERVICE INFORMATION
WK
18. Discharge A/C system (Refer to 24 - HEATING &
AIR CONDITIONING/PLUMBING/REFRIGERANT
- STANDARD PROCEDURE).
19. Remove A/C compressor (2) (Refer to 24 - HEAT-
ING
&
AIR
CONDITIONING/PLUMBING/A/C
COMPRESSOR - REMOVAL).
20. Remove shroud, fan assembly (Refer to 7 -
COOLING/ENGINE/FAN
DRIVE
VISCOUS
CLUTCH - REMOVAL) and accessory drive belt
(Refer to 7 - COOLING/ACCESSORY DRIVE/
DRIVE BELTS - REMOVAL).
21. Disconnect transmission oil cooler lines at the
radiator.
22. Disconnect radiator upper and lower hoses.
23. Remove radiator (Refer to 7 - COOLING/ENGINE/
RADIATOR - REMOVAL), A/C condenser (Refer
to 24 - HEATING & AIR CONDITIONING/PLUMB-
ING/A/C CONDENSER - REMOVAL) and trans-
mission oil cooler.
24. Remove generator (3) (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - REMOVAL).
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ENGINE - 4.7L SERVICE INFORMATION
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25. Disconnect the two heater hoses from the timing
chain cover and heater core.
26. Unclip (2) and remove heater hoses (1) and tubes
from the intake manifold.
27. Disconnect engine harness at the following points
:
•
Intake air temperature (IAT) sensor (4)
•
Fuel Injectors
•
Throttle Position (TPS) Switch (2)
•
Idle Air Control (IAC) Motor (3)
•
Engine Oil Pressure Switch
•
Engine Coolant Temperature (ECT) Sensor
•
Manifold absolute pressure (MAP) Sensor
•
Camshaft Position (CMP) Sensor
•
Coil Over Plugs
28. Disconnect the vacuum lines at the throttle body
and intake manifold.
29. Remove power steering pump and position out of
the way.
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ENGINE - 4.7L SERVICE INFORMATION
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30. Install Special Tools 8400 Lifting Studs, into the
cylinder heads.
31. Install Engine Lifting Fixture Special Tool 8347 (3)
following these steps.
•
Holding the lifting fixture at a slight angle, slide
the large bore in the front plate over the hex por-
tion of the lifting stud.
•
Position the two remaining fixture arms onto the
two Special Tools 8400 Lifting Studs, in the cyl-
inder heads.
•
Pull foward and upward on the lifting fixture so
that the lifting stud rest in the slotted area below
the large bore.
•
Secure the lifting fixture to the three studs using
three 7/16 – 14 N/C locknuts.
•
Make sure the lifting loop in the lifting fixture is in
the last hole (closest to the throttle body) to min-
imize the angle of engine during removal.
32. Disconnect body ground strap (3) at the right side
cowl.
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ENGINE - 4.7L SERVICE INFORMATION
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