Page 1689 of 2895
Fig. 24 FRAME DIMENSIONS
13 - 18 FRAMES & BUMPERSDR
FRAME (Continued)
Page 1690 of 2895
Fig. 25 140.5 IN WHEELBASE - HEAVY DUTY - 2 WHEEL DRIVE
DRFRAMES & BUMPERS 13 - 19
FRAME (Continued)
Page 1691 of 2895
Fig. 26 140.5 IN WHEELBASE - HEAVY DUTY - 4 WHEEL DRIVE
13 - 20 FRAMES & BUMPERSDR
FRAME (Continued)
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Fig. 27 160.5 IN WHEELBASE - HEAVY DUTY - 2 WHEEL DRIVE
DRFRAMES & BUMPERS 13 - 21
FRAME (Continued)
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Fig. 28 160.5 IN WHEELBASE - HEAVY DUTY - 4 WHEEL DRIVE
13 - 22 FRAMES & BUMPERSDR
FRAME (Continued)
Page 1694 of 2895

SPECIFICATIONS - TORQUE
TORQUE SPECIFICATIONS
DESCRIPTION N´m Ft. Lbs. In. Lbs.
Cab mount bolts 81 60 Ð
Cargo box bolts 108 80 Ð
Front crossmember bolts - 2WD 61 45 Ð
Front crossmember bolts - 4WD 102 75 Ð
Front skid plate bolts 34 25 Ð
Lower bumper support bracket bolt 54 40 Ð
Radiator crossmember bolts - lower 28 21 Ð
Radiator crossmember bolts - upper 28 21 Ð
Rear crossmember - 2WD 102 75 Ð
Rear crossmember - 4WD 102 75 Ð
Rear spring shackle bolts 163 120 Ð
Spare tire winch bolts 41 30 Ð
Trailer hitch reinforcement bracket bolt 170 125 Ð
Transfercase skid plate bolts 34 25 Ð
Transercase skid plate crossmember bolts 34 25 Ð
Transmission mount to crossmember nuts 61 45 Ð
FRONT CROSSMEMBER
REMOVAL
(1) Raise and support the vehicle. (Refer to
LUBRICATION & MAINTENANCE/HOISTING -
STANDARD PROCEDURE)
(2) Remove the front skid plate, if equipped. (Refer
to 13 - FRAME & BUMPERS/FRAME/FRONT SKID
PLATE - REMOVAL)
(3) Remove the bolts and remove the crossmember.
(Fig. 29) or (Fig. 30)
INSTALLATION
(1) Install the crossmember.
(2) Install the bolts;
²On 2WD vehicles, tighten the bolts to 61 N´m
(45 ft. lbs.).
²On 4WD vehicles, tighten the bolts to 102 N´m
(75 ft. lbs.).
Fig. 29 FRONT CROSSMEMBER - 2WD
1 - CROSSMEMBER
2 - BOLTS (2 PER SIDE)
DRFRAMES & BUMPERS 13 - 23
FRAME (Continued)
Page 1695 of 2895

(3) Install the front skid plate, if equipped. (Refer
to 13 - FRAME & BUMPERS/FRAME/FRONT SKID
PLATE - INSTALLATION)
FRONT SKID PLATE
REMOVAL
(1) Raise and support the vehicle. (Refer to
LUBRICATION & MAINTENANCE/HOISTING -
STANDARD PROCEDURE)
(2) Remove the bolts. (Fig. 31)
(3) Slide skid plate back off of the crossmember
and remove.
INSTALLATION
(1) Snap the rear tabs over the front crossmember
and install the skid plate.
(2) Install the bolts and tighten to 34 N´m (25 ft.
lbs.).
TRANSMISSION
CROSSMEMBER
REMOVAL
(1) Raise and support the vehicle. (Refer to
LUBRICATION & MAINTENANCE/HOISTING -
STANDARD PROCEDURE)
(2) Remove the transfercase skid plate, if
equipped. (Refer to 13 - FRAME & BUMPERS/
FRAME/TRANSFER CASE SKID PLATE -
REMOVAL)
(3) Support the transmission with a suitable lifting
device.
(4) Remove the transmission mount nuts. (Fig. 32)
or (Fig. 33)
(5) Remove the bolts and remove the crossmember.
Fig. 30 FRONT CROSSMEMBER - 4WD
1 - BOLTS (2 PER SIDE)
2 - CROSSMEMBER
Fig. 31 FRONT SKID PLATE
1 - FRONT CROSSMEMBER
2 - FRONT SKID PLATE
3 - BOLTS (2)
Fig. 32 REAR CROSSMEMBER - 2WD
1 - TRANSMISSION MOUNT
2 - REAR CROSSMEMBER
3 - TRANSMISSION MOUNT NUTS (2)
4 - CROSSMEMBER BOLTS (2 PER SIDE)
13 - 24 FRAMES & BUMPERSDR
FRONT CROSSMEMBER (Continued)
Page 1696 of 2895

INSTALLATION
(1) Install the crossmember and install the bolts.
(2) Tighten the bolts to 102 N´m (75 ft. lbs.).
(3) Install the transmission mount nuts and
tighten to 61 N´m (45 ft. lbs.).
(4) Remove the transmission support.
(5) Install the transfercase skid plate. (Refer to 13
- FRAME & BUMPERS/FRAME/TRANSFER CASE
SKID PLATE - INSTALLATION)
TRAILER HITCH
REMOVAL
(1) Remove the rear bumper. (Refer to 13 -
FRAME & BUMPERS/BUMPERS/REAR BUMPER -
REMOVAL)
(2) Remove the hitch bolts. (Fig. 34)
(3) Disconnect all wire harness support push pins.(4) Remove the rear two cargo box bolts and loosen
the remaining bolts. (Refer to 23 - BODY/EXTERI-
OR/CARGO BOX - REMOVAL)
(5) Using a suitable lifting device, lift and support
the rear of the cargo box and remove the hitch.
INSTALLATION
(1) Install the hitch onto the frame rails and make
sure the locators on the inside of the hitch brackets
are engaged with the holes in the top of the frame
rails properly.
(2) Lower the cargo box and install the rear bolts.
(Refer to 23 - BODY/EXTERIOR/CARGO BOX -
INSTALLATION)
(3) Install the hitch bolts and tighten to 170 N´m
(125 ft. lbs.).
(4) Connect all wire harness support push pins.
(5) Install the rear bumper. (Refer to 13 - FRAME
& BUMPERS/BUMPERS/REAR BUMPER - INSTAL-
LATION)
Fig. 33 REAR CROSSMEMBER - 4WD
1 - TRANSMISSION MOUNT
2 - TORSION BAR
3 - CROSSMEMBER BOLTS (3 PER SIDE)
4 - REAR CROSSMEMBER
5 - TRANSMISSION MOUNT NUTS (2)
Fig. 34 TRAILER HITCH
1 - HITCH
2 - HITCH BOLTS (4)
3 - BUMPER BRACKET BOLTS (4)
4 - BUMPER SUPPORT BRACKETS
DRFRAMES & BUMPERS 13 - 25
TRANSMISSION CROSSMEMBER (Continued)