2002 JEEP GRAND CHEROKEE Time

[x] Cancel search: Time

Page 1403 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CATALYTIC CONVERTER - 4.7L
DESCRIPTION - CATALYTIC CONVERTER
WARNING: THE NORMAL OPERATING TEMPERA-
TURE OF THE EXHAUST SYSTEM IS VERY HIGH.
THEREFORE, NEVER WORK AROUND OR ATTEMPT
TO SERVICE ANY PART

Page 1405 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual EXHAUST PIPE - 4.0L
REMOVAL
WARNING: IF TORCHES ARE USED WHEN WORK-
ING ON THE EXHAUST SYSTEM, DO NOT ALLOW
THE FLAME NEAR THE FUEL LINES.
WARNING: THE NORMAL OPERATING TEMPERA-
TURE OF THE EXHAUST SY

Page 1407 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual EXHAUST PIPE - 4.7L
REMOVAL
WARNING: IF TORCHES ARE USED WHEN WORK-
ING ON THE EXHAUST SYSTEM, DO NOT ALLOW
THE FLAME NEAR THE FUEL LINES.
WARNING: THE NORMAL OPERATING TEMPERA-
TURE OF THE EXHAUST SY

Page 1421 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual FUEL DELIVERY
DESCRIPTION
The fuel delivery system consists of:
²the fuel pump module containing the electric
fuel pump, fuel gauge sending unit (fuel level sensor)
and a separate fuel filter located

Page 1429 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (5) Connect (-) and (+) test cable leads into LCS
adapter receptacles. Use10 amp (10A +)receptacle
and common (-) receptacles.
(6) Gain access to MAIN MENU on DRB screen.
(7) Press DVOM button on DRB.

Page 1439 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (19) Disconnect fuel return line at fuel filter/fuel
pressure regulator (Fig. 36). Refer to Quick-Connect
Fittings for procedures.
(20) Disconnect fuel pressure line at fuel filter/fuel
pressure regul

Page 1451 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual FUEL INJECTION
DIAGNOSIS AND TESTING
VISUAL INSPECTION
A visual inspection for loose, disconnected or incor-
rectly routed wires, vacuum lines and hoses should
be made. This should be done before atte

Page 1461 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (2) Disconnect CKP electrical connector at sensor
(Fig. 22).
(3) Remove CKP mounting bolt (Fig. 23).
(4) Carefully twist sensor from cylinder block.(5) Remove sensor from vehicle.
(6) Check condition