Jeep Grand Cherokee WK. Manual — part 1256
SKID PLATE-TRANSFER CASE
REMOVAL
1. Raise and support the vehicle.
2. Remove the crossmember bolts (1).
3. Remove the nuts (3) and remove the skid plate.
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FRAME & BUMPERS
WK
INSTALLATION
1. Install the skid plate and install the crossmember bolts (1).
2. Tighten the bolts to 47 N·m (35 ft. lbs.).
3. Install the nuts and tighten to 81 N·m (60 ft. lbs.).
WK
FRAME & BUMPERS
13 - 41
FUEL SYSTEM
TABLE OF CONTENTS
page
page
. . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . 26
FUEL DELIVERY
TABLE OF CONTENTS
page
page
FUEL DELIVERY
STANDARD PROCEDURE - FUEL SYSTEM
. . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . . . . . . 4
SENSOR-FUEL LEVEL SENDING UNIT
. . . . . . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . . . . . . . . . . . . . . . . . . . . . 5
LINES, FUEL
. . . . . . . . . . . . . . . . . . . . . . . . . . 6
FITTING, QUICK CONNECT
. . . . . . . . . . . . . . . . . . . . . . . . . . 6
STANDARD PROCEDURE - QUICK-CONNECT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PUMP-FUEL
. . . . . . . . . . . . . . . . . . . . . . . . . 11
MODULE-FUEL PUMP
. . . . . . . . . . . . . . . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . 13
RAIL-FUEL
. . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . 19
TANK-FUEL
. . . . . . . . . . . . . . . . . . . . . . . . . 21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
. . . . . . . . . . . . . . . . . . . . . . . . . 24
FILTER-INLET
. . . . . . . . . . . . . . . . . . . . . . . . . 25
REGULATOR-FUEL PRESSURE
. . . . . . . . . . . . . . . . . . . . . . . . . 25
FILTER-FUEL
. . . . . . . . . . . . . . . . . . . . . . . . . 25
FUEL DELIVERY
STANDARD PROCEDURE - FUEL SYSTEM PRESSURE RELEASE
Use following procedure if the fuel injector rail is, or is not equipped with a fuel pressure test port.
1. Remove fuel fill cap.
2. Remove fuel pump relay from Power Distribution Center (PDC). For location of relay, refer to label on underside
of PDC cover.
3. Start and run engine until it stalls.
4. Attempt restarting engine until it will no longer run.
5. Turn ignition key to OFF position.
CAUTION: Steps 1, 2, 3 and 4 must be performed to relieve high pressure fuel from within fuel rail. Do not
attempt to use following steps to relieve this pressure as excessive fuel will be forced into a cylinder cham-
ber.
WK
FUEL SYSTEM
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