Jeep XJ. Manual — part 333
FRAME
TABLE OF CONTENTS
page
page
REMOVAL AND INSTALLATION
FRONT SKID PLATE . . . . . . . . . . . . . . . . . . . . . . . 6
TRANSFER CASE SKID PLATE . . . . . . . . . . . . . . . 6
FUEL TANK SKID PLATE . . . . . . . . . . . . . . . . . . . . 7
TRAILER HITCH . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SPECIFICATIONS
FRAME DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . 7
FRAME TORQUE SPECIFICATIONS . . . . . . . . . . . 9
REMOVAL AND INSTALLATION
FRONT SKID PLATE
REMOVAL
(1) Remove the screws that attach skid plate to
side sills.
(2) Remove the nuts that attach the skid plate to
the crossmember (Fig. 1).
(3) Remove the skid plate from the vehicle.
INSTALLATION
(1) Position the skid plate at front crossmember
and side sills.
(2) Install the nuts to attach the skid plate to
crossmember.
(3) Install the screws to attach skid plate to side sills.
TRANSFER CASE SKID PLATE
REMOVAL
(1) Support skid plate.
(2) Remove bolts that attach skid plate to trans-
mission support crossmember and frame sill (Fig. 2).
(3) Remove support and skid plate from vehicle.
INSTALLATION
(1) Position and support skid plate at frame sill
and transmission support crossmember.
(2) Attach skid plate to frame sill and crossmember
with bolts. Tighten bolts to 22 N·m (16 ft. lbs.) torque.
Fig. 1 Front Skid Plate
1 – STUD
2 – PUSH NUT
3 – SPLASH SHIELD
4 – SKID PLATE
5 – SCREW
6 – NUT
7 – SCREW
Fig. 2 Transfer Case Skid Plate
1 – FRAME SILL
2 – NUT-SERT
3 – TRANSFER CASE
4 – BOLT
5 – SKID PLATE
6 – NUT-SERT
7 – CROSSMEMBER
13 - 6
FRAME AND BUMPERS
XJ
FUEL TANK SKID PLATE
REMOVAL
(1) Position a support under skid plate.
(2) Remove bolts that attach skid plate to under-
body side rails (Fig. 3).
(3) Remove support and skid plate from vehicle.
INSTALLATION
(1) Position and support skid plate under fuel tank.
(2) Install bolts to attach skid plate to underbody
rails. Tighten bolts to 74 N·m (55 ft. lbs.) torque.
(3) Remove support from under skid plate.
TRAILER HITCH
REMOVAL
(1) If necessary, remove the trailer tow wire har-
ness connector from the hitch (Fig. 4).
(2) Support the hitch.
(3) Remove the bolts that attach the trailer hitch
to the frame sills and reinforcement brackets (Fig. 5).
(4) If equipped, remove the fuel tank skid plate.
NOTE: The reinforcement brackets are held on the
frame sills with two blind rivets.
INSTALLATION
(1) Install frame reinforcement brackets, if removed.
Slide the brackets through the vehicle rear sill open-
ings and attach to the frame sills with blind rivets.
(2) Using an adequate lifting device, position hitch
at the proper location for installation on vehicle and
support it.
(3) If equipped, position fuel tank skid plate on
vehicle frame sills.
(4) Loosely install the bolts to attach the trailer
hitch (and the skid plate) to frame sills and reinforce-
ment brackets.
(5) Tighten all bolts/nuts to 74 N·m (55 ft. lbs.)
torque.
(6) Remove the lift/support.
(7) If removed, attach the trailer wire harness con-
nector to the hitch.
SPECIFICATIONS
FRAME DIMENSIONS
Frame dimensions are listed in millimeter scale.
All dimensions are from center to center of Principal
Locating Point (PLP), or from center to center of PLP
and fastener location (Fig. 6).
Fig. 3 Fuel Tank Skid Plate
1 – RIVET HOLES
2 – REINFORCEMENT
3 – FUEL TANK SKID PLATE
4 – BLIND RIVET
Fig. 4 Trailer Hitch Harness Connector
1 – CONNECTOR
2 – TRAILER HITCH
Fig. 5 Trailer Hitch
1 – TRAILER HITCH
2 – BLIND RIVET
3 – RIVET HOLES
4 – REINFORCEMENT
XJ
FRAME AND BUMPERS
13 - 7
REMOVAL AND INSTALLATION (Continued)
Fig. 6 Frame Dimensions
13 - 8
FRAME AND BUMPERS
XJ
SPECIFICATIONS (Continued)
FRAME TORQUE SPECIFICATIONS
DESCRIPTION
TORQUE
Front Skid Plate Screw . . . . . . . 42 N·m (31 ft. lbs.)
Front Skid Plate Nut . . . . . . . 17 N·m (125 in. lbs.)
Transfer Case Skid Plate Bolt . . 22 N·m (16 ft. lbs.)
Fuel Tank Skid Plate Bolt . . . . . 74 N·m (55 ft. lbs.)
Front Bumper End Cap to Mounting
Bracket Nut . . . . . . . . . . . . . . . 9 N·m (7 ft. lbs.)
Front Bumper Mounting Bracket to
Frame Bolt . . . . . . . . . . . . . . 55 N·m (41 ft. lbs.)
Front Bumper to Mounting Bracket Bolt . . 55 N·m
(41 ft. lbs.)
Front Tow Hook Bolt . . . . . . . . 100 N·m (74 ft. lbs.)
Front Tow Hook Reinforcement Bolt . . . . . . 30 N·m
(22 ft. lbs.)
Rear Bumper to Mtg. Bracket Nut . . . . . . . 55 N·m
(41 ft. lbs.)
Rear Bumper Mtg. Bracket to Rear
Sill Bolt . . . . . . . . . . . . . . . . . 55 N·m (41 ft. lbs.)
Rear Tow Hook Bolt . . . . . . . . . 94 N·m (70 ft. lbs.)
Trailer Tow Reinforcement Brkt Bolt . . . . . 74 N·m
(55 ft. lbs.)
XJ
FRAME AND BUMPERS
13 - 9
SPECIFICATIONS (Continued)
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