2002 JEEP GRAND CHEROKEE Hydraulic fan

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Page 266 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (4) Remove two radiator mounting bolts.
(5) Disconnect both transmission cooler lines from
radiator.
(6) Disconnect electrical connector for the fan con-
trol solenoid.
(7) Disconnect the power steeri

Page 267 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual the radiator to flush the radiator and/or A/C con-
denser of debris.
INSPECTION
The radiator cooling fins should be checked for
damage or deterioration. Inspect cooling fins to make
sure they are not

Page 1123 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ENGINE CONTROL MODULE C1 (DIESEL) - BLACK 81 WAY
CAV CIRCUIT FUNCTION
55 B22 20DG/YL VEHICLE SPEED SENSOR SIGNAL
56 K225 18BK ACCELERATOR PEDAL POSITION SENSOR 2 GROUND
57 - -
58 K4 20BK/LB WATER IN F

Page 1131 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual HORN NO. 2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z307 18BK GROUND
2 X2 18DG/RD HORN RELAY OUTPUT
HYDRAULIC COOLING MODULE - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 F15 18DB/WT (DIESEL) FUSED AUTO SHUT DOWN

Page 1257 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR
HANDS NEAR THE PULLEYS, BELTS OR FAN. DO
NOT WEAR LOOSE CLOTHING.
(48) Start the

Page 1480 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual BINDING AND STICKING
CONDITION POSSIBLE CAUSE CORRECTION
DIFFICULT TO TURN WHEEL
STICKS OR BINDS1. Low fluid level. 1. Fill to proper level.
2. Tire pressure. 2. Adjust tire pressure.
3. Steering comp

Page 1482 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (8) Start engine and let idle long enough to circu-
late power steering fluid through flow/pressure test
gauge.
(9) Shut off the engine and check the fluid level,
add fluid as necessary. Start engine

Page 1483 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (11) Increase the engine speed to 1100 rpm and
read the flow meter. The reading should be 2.6 GPM
minimum, if the reading is below this specification,
the pump should be replaced.
FLOW AND PRESSURE TE
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