2003 JEEP GRAND CHEROKEE throttle body

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Page 1255 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (7) Remove the fan assembly from the water pump
(Refer to 7 - COOLING/ENGINE/RADIATOR FAN -
REMOVAL).
(8) Remove the fan shroud.
(9) Disconnect the transmission fluid cooler lines
(automatic transmiss

Page 1256 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual INSTALLATION
CAUTION: When installing the engine into a vehicle
equipped with an automatic transmission, be care-
ful not to damage the trigger wheel on the engine
flywheel.
(1) Attach a lifting devic

Page 1261 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual DESCRIPTION N´m Ft. In.
Lbs. Lbs.
Transmission Support Bracket
ÐBolt (Manual) 46 34 Ð
Transmission Support Bracket/
CushionÐBolt (4WD Auto) 75 55 Ð
Transmission Support Adaptor
BracketÐBolts (2W

Page 1262 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (2) Lift cover up and position to the side.
(3) Remove air cleaner element.
INSTALLATION - 4.0L
(1) Clean inside of air cleaner housing before
installing new element.
(2) Install air cleaner element i

Page 1265 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (12) Install the push rods, rocker arms, pivots and
bridges in the order they were removed (Refer to 9 -
ENGINE/CYLINDER HEAD/ROCKER ARM /
ADJUSTER ASSY - INSTALLATION).
(13) Install the engine cylind

Page 1266 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual CLEANING
Remove any original sealer from the cover sealing
surface of the engine cylinder head and clean the
surface using a fabric cleaner.
Remove all residue from the sealing surface using
a clean,

Page 1312 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual DIAGNOSIS AND TESTING - CYLINDER
COMBUSTION PRESSURE LEAKAGE
The combustion pressure leakage test provides an
accurate means for determining engine condition.
Combustion pressure leakage testing will

Page 1315 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (13) Disconnect the engine block heater power
cable from the block heater.
(14) Lower vehicle.
(15) Remove throttle body resonator assembly and
inlet hose.
(16) Disconnect throttle and speed control c
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