Engine JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual GRAND CHEROKEE 2002 WJ / 2.G JEEP JEEP https://www.carmanualsonline.info/img/16/7175/w960_7175-0.png JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (8) Connect fuel return and pressure lines to fuel
pump module fittings (Fig. 16). Refer to Quick-Con-
nect Fittings.
(9) Install fuel tank. Refer to Fuel Tank Installa-
tion.
FUEL RAIL
DESCRIPTION
DE

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CAUTION: The left and right fuel rails are replaced
as an assembly. Do not attempt to separate rail
halves at connector tube (Fig. 22). Due to design of
tube, it does not use any clamps. Never attempt

Page 1436 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (12) Remove first three ignition coils on each bank
(cylinders #1, 3, 5, 2, 4 and 6). Refer to Ignition Coil
Removal/Installation.
(13) Remove 4 fuel rail mounting bolts (Fig. 22).
(14) Gently rock an

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (9) Disconnect speed control cable at throttle body
(if equipped). Refer to Speed Control Cable.
(10) Disconnect automatic transmission cable at
throttle body (if equipped).
(11) Remove cable routing

Page 1438 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (14) Install air tube (or duct) at top of throttle
body.
(15) Install fuel tank cap.
(16) Connect negative battery cable to battery.
(17) Start engine and check for fuel leaks.
FUEL TANK
DESCRIPTION
T

Page 1446 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INLET FILTER
REMOVAL
The fuel pump inlet filter (strainer) is located on
the bottom of fuel pump module (Fig. 42). The fuel
pump module is located on top of fuel tank.
The fuel pump inlet filter (stra

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual depressed, pull fitting from component.The plas-
tic retainer ring must be pressed squarely
into fitting body. If this retainer is cocked
during removal, it may be difficult to discon-
nect fitting. U

Page 1449 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (a) Type 1: Pry up on latch clip with a screw-
driver (Fig. 50).
(b) Type 2: Separate and unlatch 2 small arms
on end of clip (Fig. 51) and swing away from fuel
line.
(c) Slide latch clip toward fuel

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 1452 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (7) Verify generator output wire (B+ wire) and
generator field connector are firmly connected to gen-
erator.
Fig. 4 Ignition Coil ConnectorÐ4.7L V-8 Engine
1 - IGNITION COIL
2 - COIL ELECTRICAL CONN