INSTALLATION INSTRUCTIONS 88029

INSTALLATION INSTRUCTIONS 88029
INSTALLATION INSTRUCTIONS
88504
Rev B
FOR RANCHO SUSPENSION SYSTEMS RS6504 & RS6506: JEEP WRANGLER
(TJ)
Springs are included with the kit
READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH BEFORE BEGINNING INSTALLATION
IMPORTANT NOTES!
WARNING: This suspension system will enhance the off-road
performance of your vehicle. It will handle differently, both on and
off-road, from a factory equipped passenger car or truck. Extreme
care must be used to prevent loss of control or vehicle rollover
during abrupt maneuvers. Failure to drive this vehicle safely may
result in serious injury or death to the driver and passengers.
ALWAYS WEAR your seat belts, REDUCE your speed, and
AVOID sharp turns and other abrupt maneuvers.
A. Before installing this system, have the vehicle's alignment
and frame checked at a state approved facility. The alignment
must be within factory specifications and the frame must be sound
(no cracks, damage, or corrosion).
B. Do not install a body lift kit with Rancho’s suspension system
or interchange parts from this system with components from
another manufacturer. To obtain maximum rock crawling
performance/articulation, use the following Rancho shock
absorbers with this kit: RS5255, RS9255, RS99255 or RS999255
for the front & RS5256, RS9256, RS99256 or RS999256 for the
rear.
C. Compare the contents of this system with the parts list in
these instructions. If any parts are missing, including fasteners,
contact the Rancho Technical Department at 1-734-384-7804.
Each hardware kit in this system contains fasteners of high
strength and specific size. Do not substitute a fastener of lesser
strength or mix one hardware kit with another.
D. Apply THREAD LOCKING COMPOUND to all bolts during
installation. One drop on the exposed threads of each bolt before
installing the nut is sufficient to provide an adequate bond.
CAUTION: Thread locking compound may irritate sensitive skin.
Read warning label on container before use.
E. Install all nuts and bolts with a flat washer. When both SAE
(small OD) and USS (large OD) washers are used in a fastener
assembly, place the USS washer against the slotted hole and the
SAE washer against the round hole.
F. Unless otherwise specified, tighten all bolts to the standard
torque specifications listed at the end of the note's section. Do not
use an impact wrench to tighten any of these bolts. They tend to
over tighten smaller bolts and under tighten larger bolts. USE A
TORQUE WRENCH!!
G. Rancho parts come with a protective coating. Do not
powder coat, chrome, cadmium, or zinc plate any of the
components in this system. If you wish to change the appearance
of components enamel paint can be applied over the original
coating.
H. Do not weld anything to these components, and do not weld
any of these components to the vehicle. If any component breaks
or bends, contact your local Rancho dealer or Rancho for
replacement parts.
I.
Some of the service procedures require the use of special
tools designed for specific procedures. The following tools and
supplies are recommended for proper installation of this kit. 
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beginning of each step when you finish it. Then when you stop
during the installation, it will be easier to find where you need to
continue from.
M. Important information for the end user is contained in the
consumer/installer information pack. If you are installing this
system for someone else, place the information pack on the
driver’s seat. Please include the installation instructions when you
finish.
Jeep Service Manual
Spring Compressor
Pitman Arm Puller C-4150-A
Steering Linkage Puller C-3894-A
Drill Motor
Drill assortment (1/8” to 1/2”)
Torque Wrench (250 FT-LB capacity)
Hammer
1/2” Drive Ratchet and Sockets
Combination Wrenches
Allen Wrenches
Torx Key Sockets
Hacksaw
File
Large "C" Clamps and/or Bench Vise
Hydraulic Floor Jack
Heavy Duty Jack stands
Wheel Chocks (Wooden Blocks)
Molybdenum Grease or Anti Seize Compound
Synthetic Grease with Teflon
Silicone Spray
Safety Glasses--Wear safety glasses at all times
N. This suspension system was developed using the following
tire and wheel combination: 33 x 12.50R-15 tire, 15" x 8" wheel
with 3.75" of wheel backspacing. Before installing any other
combination, consult your local tire and wheel specialist.
O. To reduce rear driveline vibration and/or to increase ground
clearance, you may want to install a double-cardan driveshaft and
not use the skid plate/crossmember spacers and shift relocating
bracket. A double-cardan driveshaft for the Rubicon (Part No.
3394-0100) is available from: Powertrain Industries 7532 Anthony
Avenue, Garden Grove, CA 92841 (714) 893-4583. Consult your
local 4X4 shop for more information.
P. To achieve maximum articulation, for rock crawling only,
disconnect the front sway bar end links. DO NOT OPERATE THIS
VEHICLE ON PUBLIC ROADS OR AT SPEEDS GREATER THAN
15 MPH WITH THE SWAY BAR END LINKS DISCONNECTED.
Q. Lubricate the end link swivels and the track bar end with
molybdenum grease during installation and every 3000 miles.
Using synthetic grease with Teflon, lubricate the lower link
bushings during installation and every 3000 miles.
J. It is extremely important to replace torsion bars, CV flanges,
and front drive shaft/pinion relationships as original. Be sure to
mark left/right, front/rear, and indexing of mating parts before
disassembly. A paint marker or light colored nail polish is handy
for this.
R. Thank you for purchasing the best suspension system
available. For the best installed system, follow these instructions.
If you do not have the tools or are unsure of your abilities, have
this system installed by a certified technician. RANCHO IS NOT
RESPONSIBLE FOR DAMAGE OR FAILURE RESULTING FROM
AN IMPROPER INSTALLATION.
K. Suspension components that use rubber or urethane
bushings should be tightened with the vehicle at normal ride
height. This will prevent premature failure of the bushing and
maintain ride comfort.
L. The required installation time for this system is
approximately 5 to 6 hours. Check off the box (  ) at the
Bolt Size
5/16
3/8
7/16
1/2
9/16
5/8
3/4
STANDARD BOLT TORQUE SPECIFICATIONS
INCH SYSTEM
METRIC SYSTEM
Grade 5
Grade 8
Bolt Size
Class 9.8
Class 10.9
15 FT-LB
30 FT-LB
45 FT-LB
65 FT-LB
95 FT-LB
135 FT-LB
185 FT-LB
20 FT-LB
35 FT-LB
60 FT-LB
90 FT-LB
130 FT-LB
175 FT-LB
280 FT-LB
M6
M8
M10
M12
M14
M16
M18
BOLT IDENTIFICATION
2
5 FT-LB
18 FT-LB
32 FT-LB
55 FT-LB
85 FT-LB
130 FT-LB
170 FT-LB
9 FT-LB
23 FT-LB
45 FT-LB
75 FT-LB
120 FT-LB
165FT-LB
240FT-LB
Class 12.9
12 FT-LB
27 FT-LB
50 FT-LB
90 FT-LB
145 FT-LB
210 FT-LB
290 FT-LB
PARTS LIST
P/N
130019
170081
170082
176083
176084
176085
176086
176088
176089
176080
420027
602612
602615
615
616
7727
860072
420026
860086
170078
860155
420088
545
860157
420086
520086
DESCRIPTION
Rear Track Bar Bracket
Right Brake Hose
Left Brake Hose
End Link Center
End Link Bottom
End Link Bracket
Track Bar
Rear End Link
Front Bump Stop Perch
Suspension Link
Rear Bump Stop Spacer
Track bar End (ball joint)
End Link Swivel
Front Coil Spring (6506 only)
Rear Coil Spring (6506 only)
Pitman Arm
Rear Track Bar Relocation Kit
Sleeve
7/16-14x1.0 HHCS
7/16-14 Stover Nut
7/16 SAE Washer
M12-1.75x70 HHCS
M12-1.75 Nut
SAE Washer
3/8-16x1.0 HHCS
3/8-16 Stover Nut
3/8 SAE Washer
Gasket Kit
Brake Line Gasket
Rear End Link Hardware Kit
Sleeve, Rear End Link
Bushing
7/16-20x2.5 HHCS
7/16-20 Stover Nut
7/16 SAE Washer
7/16 USS Washer
Front Track Bar Hardware Kit
Sleeve
Bushing
3/8-16x1.5 HHTS
3/4-16 Jam Nut
Cotter Pin
QTY.
1
1
1
2
2
2
1
2
2
4
2
1
2
2
2
1
1
1
1
1
2
2
2
4
1
1
2
1
4
1
4
4
4
4
4
6
1
1
2
2
1
1
P/N
860160
176090
860161
176091
860218
420080
520080
860070
860483
860561
420084
545
770057
94180
780281
88056
94119
94177
694
698
615
616
DESCRIPTION
Shift Relocation Kit
Bracket
1/4-20x.75 BHCS
1/4 SAE Washer
1/4-20 Nylock Nut
Thread Lock
Skid Plate Spacer Kit
Skid Plate Spacer
1/2 Cone Washer
1/2-13x2.5 FSHCS
M10-1.50x70 HHCS
10mm Lock Washer
Articulation Bushing Kit
Sleeve
Bushing
Shim Kit
Shim
Skid Plate Hardware Kit
M12-1.75 x 65 HHCS
12mm Washer
Quick Disconnect Hardware Kit
Sleeve, Front End Link
Bushing
Lynch Pin Assembly
3/4 Rubber Washer
10mm Washer
1/2-20 x 1.75 HHCS
1/2-20 x 2.75 HHCS
1/2-20 Nylock Nut
1/2 SAE Washer
1/2 USS Washer
Information Pack
Rancho Decal
Instructions
Consumer/Warranty Information
Warning Sticker
Included in RS6504 only
Front Spring
Rear Spring
Included in RS6505 only
Front Spring
Rear Spring
QTY.
1
1
4
4
4
2
1
6
6
6
2
2
1
8
16
1
16
1
6
6
1
2
2
2
4
2
2
2
4
4
4
1
1
1
1
1
2
2
2
2
RANCHO LINK ASSEMBLY
520080
BUSHING & SLEEVE INSTALLATION
420080
1)  Lubricate the outside diameter of two urethane
bushings (part No. 520080) with a silicone spray or a mild
solution of soap and water.
2)  Press the lubricated bushings into one end of a new
Rancho suspension link (176080) as shown in figure 1.
176080
3)  Lubricate the outside diameter of sleeve 420080
and the inside diameter of the installed urethane bushings
with synthetic grease. Refer to Important Note P. Press the
sleeve into the bushings.
Figure 1
NOTE: It may be necessary to use a bench vise or C-clamp
to press the bushings and sleeves into the cast links. Do not
use a hammer.
3
NOTE: To reinstall the automatic transmission skid plate,
adapter kit RS904 must be purchased separately.
4)  Slowly apply grease to each end of the cast links
(through the grease fitting) with a grease gun. Stop when
the grease begins to appear around the edges of the
bushings. Do not force the bushings out of the link.
7)  Raise the front of the vehicle and support the frame
with jack stands. Remove the front wheels and set them
aside.
5)  Repeat steps 1 through 4 for the remaining cast link
ends, bushings, and sleeves.
8)  Position a floor jack under the front axle for support.
Remove both front sway bar end links. See Figure 3.
FRONT SUSPENSION
TRACK BAR & COIL SPRING REMOVAL
1)  Park vehicle on a level surface and set the parking
brake. Center front wheels and chock rear wheels.
2)  Utilizing a straight edge, measure the horizontal
distance between the outer edge of each front tire and the
vehicle body (at top edge of fender well).
Left Side:_________
Right Side:_________
3)  Remove the cotter pin and nut from the ball stud
end of the track bar at the frame rail bracket. Separate the
ball stud from the bracket with the recommended puller tool.
See figure 2.
Figure 3
9)
 Lower axle and remove floor jack.
10)  Remove the shock absorber lower nuts and bolts.
Remove the front shock. DO NOT REUSE ORIGINAL
SHOCK ABSORBERS.
11)  Remove the rubber bump stop and bump stop
mount from inside of the coil spring.
12)  If applicable, remove the coil spring retainer bolt
and retainer. Push down on the axle and remove the coil
spring.
13)  Repeat steps 10 through 12 for other side.
LOWER ARM REMOVAL & LINK INSTALLATION
Figure 2
1)
4)  Remove the bolt and flag nut from the axle bracket.
Remove the track bar.
 Support the front axle with a floor jack.
2)  If applicable, paint or scribe alignment marks on the
adjustment cams and axle brackets for installation reference.
See Figure 4.
5)  From inside the engine compartment, remove the
upper stud nut, retainer and grommet from both front shock
absorbers.
6)  If applicable, remove the bolts attaching the
automatic transmission skid plate to the frame rails and the
transfer case cross member (Do not use an impact wrench).
Remove the skid plate.
4
Frame Bracket
Grease
Fitting
Link
Shim
176080
Figure 4
Shims
176080
Axle Bracket
Figure 6
3)  If equipped with ABS brakes, remove sensor wires
and clamps from the inboard side of the lower arms. Save
clamps for reuse.
PITMAN ARM REPLACEMENT
NOTE: Remove and replace one suspension arm at a time.
1)  Remove the cotter pin and nut from the drag link at
the pitman arm. Separate the drag link ball stud from the
pitman arm with a puller tool. Do not use a pickle fork.
4)  Remove the nut, cam, and cam bolt from the axle
bracket. Remove the nut and bolt from the frame bracket.
Remove the lower suspension arm. See Figure 5.
2)  Center the steering wheel and mark the position of
the original pitman arm. Remove the nut and washer from
the steering gear shaft.
3)  Remove the pitman arm from the steering gear with
pitman arm puller C-4150-A.
4)  Align and install new pitman arm 7727 on the
steering gear shaft. Install the washer and nut. Tighten the
nut to 185 ft. lbs.
5)  Install the drag link ball stud to the pitman arm.
Install the nut and tighten to 60 ft. lbs. Install a new cotter
pin.
COIL SPRING INSTALLATION
Figure 5
1)  Lower the front axle and remove the hydraulic floor
jack.
5)  Install new Rancho suspension link assy 176080,
along with 4 shims from kit 860218, to the frame and axle
brackets as shown in figure 6. Use original hardware but do
not tighten.
6)
2)  Drill a 5/16" hole through the center of the coil
spring axle pad. Reinstall the rubber bump stop.
 Repeat steps 4 and 5 for the other side.
3)  Compress the new front coil spring to 16 inches in
length. Use a quality spring compressor like the one shown
in figure 7.
7)  If applicable, drill a 23/64" hole into each cast link
and reinstall the ABS sensor wires. Use the original clamps.
5
4)  Attach the new brake hose to the frame and brake
tube. Tighten securely.
5)  Repeat steps 1 through 4 to install right front brake
hose RS170081.
6)  Refill the master cylinder reservoir with approved
brake fluid and bleed the front brakes as follows:
•
Figure 7
•
•
4)  Place bump stop perch 176089 inside the
compressed spring as you install the spring into the upper
and lower spring pockets. Carefully remove the spring
compressor.
•
•
5)  Rotate spring so pig tail end fits back in spring
pocket. Attach the bump stop perch to the axle pad with the
self-tapping screw from kit 860157.
6)
•
Attach a clear hose to the right front caliper bleeder screw
and immerse the other end into a container of clean brake
fluid.
Loosen the bleeder valve on the caliper.
Have an assistant push the brake pedal down and then
hold.
Tighten the bleeder valve and slowly release the pedal.
Repeat the procedure until all air is purged from the
caliper.
Attach the hose and container to the left front caliper and
repeat the bleeding process. Refill the brake master
cylinder reservoir as necessary.
 Repeat steps 2 through 5 for other side.
SWAY BAR END LINK ASSEMBLY
BRAKE HOSE REPLACEMENT
1)  Apply silicone lubricant and press a bushing from kit
860561 into a front end link bottom socket (176084).
NOTE: To keep the brake bleeding process to just the front
calipers, do not allow the brake fluid to drain completely from
the master cylinder reservoir.
2)  Apply silicone lubricant and press a sleeve from kit
860561 into the installed bushing.
1)  Separate the left front brake hose from the brake
tube and the frame rail. Plug tube to prevent brake fluid
leakage.
3)  Install a rubber washer from kit 860561 onto each
end of center section 176083.
2)  Remove the brake hose from the caliper. Discard
copper washers.
4)  Connect the bottom socket assembly to a top swivel
(602615) with the center section. Insert a set of locking pins
(770057) as shown in figure 9.
3)  Attach left brake hose RS170082 to the caliper with
NEW copper washers from kit RS860086, and the original
bolt. See figure 8. Tighten the bolt to 23 ft.-lbs.
Figure 9
Figure 8
6
10)  Position shock stud through upper mounting hole.
Install upper shock grommet, retainer and nut. Tighten to 17
FT-LBS. Repeat for other side.
5)  Grease the top swivel. Push down on the ball stud
when applying grease for the first time. Stop when grease
flows past ball.
6)  Repeat steps 1 through 5 to assemble the other end
link.
SWAY BAR END LINK & SHOCK INSTALLATION
1)
 Support the front axle with a floor jack.
2)  Loosely attach end link bracket 176085 to the axle
bracket with hardware from kit 860561. See figure 10.
Figure 11
11)  Tighten the sway bar lower link bolts to 70 FT-LBS.
12)  Tighten the lower suspension arm to frame bracket
nut and bolt to 130 FT-LBS (both sides).
13)  Align the reference marks on the adjustment cams
and lower arm axle brackets. Tighten nuts to 85 FT-LBS.
14)  Apply grease to the new lower suspension arms
and the top swivel of the sway bar end links. DO NOT
OVER GREASE!
Figure 10
3)  Loosely attach a new end link assembly to the
installed bracket with hardware from kit 860561.
TRACK BAR INSTALLATION
4)  Insert the top swivel of the link assembly into the
sway bar. Install a 10mm washer from kit 860561 then the
supplied nut. Tighten the nut to 45 ft. lbs.
1)  Install the jam nut from kit 860157 on the new track
bar end (602612). Thread the end assembly into the new
track bar (176086) until only four threads are exposed. Do
not tighten the jam nut.
CAUTION: Over tightening the nut on the end link swivel
may damage the ball stud. Do Not use an impact wrench.
2)  Apply silicone spray and press the bushings and
sleeve from kit 860157 into the track bar assembly.
5)  Drill a 17/64” hole in fender support as shown in
figure 23.
6)
3)  Loosely attach the new track bar to the axle bracket
with the original bolt and flag nut.
 Repeat steps 2 through 5 for other side.
7)  Grind the passenger side axle bracket even with
end link bracket 176085. See figure 11.
4)  Temporarily attach the track bar end to the frame
rail bracket.
8)  Install one retaining washer and grommet onto each
new front shock absorber. Attach shocks to axle brackets.
Tighten bolts to 23 FT-LBS.
5)  Repeat tire to fender well measurements (refer back
to step 2 under TRACK BAR REMOVAL). If necessary, adjust
the track bar end to duplicate the previously measured
difference. Tighten the jam nut.
9)  Install front wheels and lower vehicle to the ground.
Tighten lug nuts to 80--110 FT-LBS.
6)  Tighten the track bar to axle bracket mounting bolt
to 55 ft. lbs. and the ball stud nut to 65 ft. lbs. Install a new
cotter pin.
7
REAR SUSPENSION
TRACK BAR & COIL SPRING REMOVAL
1)  Chock front wheels. Disconnect and remove the
rear sway bar end links.
2)  Disconnect the track bar from the frame bracket.
See figure 12.
3)  Raise the rear of the vehicle and support the frame
with jack stands. Remove the rear wheels.
4)  Separate the track bar from the axle bracket.
Remove the track Bar. See Figure 11.
Figure 12
4)  Insert track bar into track bar bracket and install the
14mm hardware from kit 860072.
NOTE: Do not attach the track bar to the frame bracket or
tighten the mounting bolt at this time.
5)  Bend gas tank skid plate away from track bar if
necessary.
LOWER ARM REPLACEMENT
NOTE: Remove and replace one suspension arm at a time.
Figure 11
1)
 Support the rear axle with a hydraulic jack.
5)  Support the rear axle with a floor jack and remove
the shock absorbers. DO NOT REUSE ORIGINAL SHOCK
ABSORBERS.
2)  Remove the lower arm axle and frame mounting
bolts. Remove the lower suspension arm.
6)  Mark the orientation of the coil springs on the axle
pads. Carefully lower the rear axle until the coil springs are
free from the upper mount seat. Remove the coil springs.
3)  Install new Rancho suspension link 176080, along
with four shims from kit 860218, to the frame and axle
brackets. See figure 13. Use original hardware but do not
tighten.
TRACK BAR BRACKET INSTALLATION
1)  Place track bar bracket 130019 on top of the axle
bracket as shown in figure 13. To properly align the bracket,
insert a 12mm bolt from kit 860072 through both brackets.
Frame
Mount
2)  Using the new bracket as a template, mark the two
additional mounting holes on the axle bracket. Remove
bracket and drill a 13/32" hole through the top of the axle
bracket and 15/32" hole through the side.
Shim
176080
Link
176080
Grease Fitting
3)  Reinstall the track bar bracket and attach it to the
axle with the sleeve and hardware from kit 860072. See
Figure 12. Tighten to specifications.
Figure 13
8
SWAY BAR END LINK INSTALLATION
NOTE: Install two shims at each mounting point, one on
either side of the bushing assembly. Also, position the link
so that the grease fittings are accessible.
4)
1)  Apply silicone lubricant and press a bushing from kit
860155 into a new rear end link (176088).
 Repeat steps 2 and 3 for the other side.
2)  Apply silicone lubricant and press a sleeve from kit
860155 into the installed bushing.
BUMP STOP SPACER & COIL SPRING INSTALLATION
3)  Repeat steps 1 and 2 to install the rest of the
bushings and sleeves.
1)  Remove the rubber bump stop and bump stop
bracket from the upper spring mount.
4)  Attach the new end link assemblies to the frame
brackets and rear sway bar with the hardware from kit
860155. See Figure 15. Tighten the end link mounting bolts
to 40 ft. lbs.
2)  Insert Rancho spacer 420027 and reinstall the
bracket with the 10mm hardware from kit 860161. Insert the
bump stop into the bump stop bracket. See figure 14.
Figure 15
NOTE: It may be necessary to enlarge the mounting holes
in the sway bar and frame brackets to 7/16”.
Figure 14
3)
5)  Place the track bar into the frame bracket and install
the original hardware. Tighten the track bar mounting bolts
to 74 ft. lbs.
 Repeat steps 1 & 2 for other side.
4)  Lower rear axle and position the new coil springs
onto the axle pads. Align springs with reference marks.
Raise the axle until the spring seat in the upper mounts.
6)  Tighten all lower arm pivot bolts to 130 ft. lbs. and
the shock absorber to axle bracket bolts to 74 ft. lbs.
NOTE: When installing coil springs, make sure that the
rubber damper is positioned in the upper mount and the
small egg-shaped coil end is at the top.
7)  Grease new lower suspension arms until you see a
slight amount of grease coming out of bushings. DO NOT
OVER GREASE!
5)  Install new Rancho rear shocks to the upper frame
rail. Tighten mounting bolts to 23 FT-LBS.
TRANSMISSION & TRANSFER CASE
6)
NOTE: See Important Note O before proceeding.
 Loosely attach shocks to the axle brackets.
CROSS MEMBER RELOCATION
7)  Install wheels and lower vehicle to the ground. Do
not remove wheel chocks. Tighten lug nuts to 80-110 FTLBS.
1)  Place the transmission in neutral. Support the
transfer case crossmember/skid plate with a hydraulic jack.
Loosen the 6 bolts holding the crossmember to the frame.
See figure 16. Do not use an impact gun.
9
Figure 18
Figure 16
2)  Remove 3 bolts on one side and carefully lower the
cross member/skid plate.
LINKAGE RELOCATION & ADJUSTMENT
1)  Pull back carpet/mat to gain access to torque shaft
bracket mounting screws. If necessary, loosen the screws
attaching the console to the floor panel.
3)  Place 3 spacers from kit 860161 between the cross
member and the frame with the conical end of the spacer
facing down. See figure 18a. For vehicles with an
automatic transmission, add 3 shims.
2)  Remove the four screws that attach the torque shaft
bracket to the floor pan. See figure 19.
4)  If flat head screws were removed, install a conical
washer and apply thread lock to 3 flat head screws from kit
860161. Insert the screws through the crossmember,
spacers, and into the frame. See figure 17.
3)  Slide the torque shaft bracket off the torque shaft,
and remove the bearing plate & gasket.
4)  Attach the bearing plate (with gasket) to shift
relocating bracket 176090 as shown in figure 20.
5)  Using bracket 176090 as a template, mark the two
mounting holes locations on the torque shaft bracket. See
figure 20. Drill a 9/32” hole at each location.
Figure 17
5)  If hex head screws were removed, install the
hardware from kit 860483. See figure 18.
6)  Repeat steps 3 through 6 for the other side of the
cross member. Tighten all bolts to 45 FT-LBS.
Figure 19
10
6)  Attach the shift relocating bracket 176090 to the
torque shaft bracket with the hardware from kit 860160. See
figure 20.
Figure 21
5)  Remove the 4 screws attaching the cover boot to
the cover. Slide the boot upward to expose the opening in
the cover and floor pan.
Figure 20
6)  Shift the transmission into 2nd and reverse. Verify
a minimum of 1/8” clearance between the shift lever and
floor pan. If necessary, enlarge the opening in the floor pan
with a half round file.
7)  Insert the torque shaft into the bearing plate and
reinstall the torque shaft bracket to the floor pan. Verify that
the torque shaft is level and the shifting linkage moves
without restriction. If necessary, file the end of the shift rod
to provide adequate clearance.
7)  Reposition the cover boot. Install one screw on the
left side or 9 o’clock position.
8)  Shift transfer case into 4L position and loosen lock
bolt on adjusting trunnion.
8)  Rotate the boot clockwise to match the increased
floor pan opening. Mark and drill the three new mounting
holes. See figure 22.
NOTE: Be sure shift rod slides freely in trunnion.
9)  Verify that transfer case range lever is fully engaged
in 4L position. Tighten adjusting trunnion lock bolt.
10)  Reinstall carpet/mat and tighten console mounting
bolts.
FLOOR PAN MODIFICATION (MANUAL TRANS ONLY)
1)
 Move the seats to the full rearward position.
2)  Pry up the shift boot and bezel from the floor
console. See figure 21.
Figure 22
3)  Remove the bolts attaching the console to the floor
pan.
9)
4)  Lift the console upward and remove through the
passenger door.
11
 Reinstall the cover boot, console, and shift boot.
FINAL CHECKS & ADJUSTMENTS
1)  Turn the front wheels completely left then right.
Verify adequate tire, wheel, and brake hose clearance.
Inspect steering and suspension for tightness and proper
operation.
2)  With the suspension at maximum extension (full
droop), inspect and rotate all axles and drive shafts. Check
for binding and proper slip yoke insertion. The slip yoke
should be inserted a minimum of one inch into the transfer
case and/or transmission.
3)  Ensure that the vehicle brake system operates
correctly. If new brake hoses were installed, verify that each
hose allows for full suspension movement.
4)  Readjust headlamps.
manufacturer’s specifications.
Adjustment
Have vehicle Aligned to
Alignment Specifications
Preferred
Caster
Camber (fixed angle)
Toe-In (each wheel)
Thrust Angle
Figure 23
7°
-0.25°
0.15°
0
IMPORTANT NOTICE
WARNING: DO NOT OPERATE THIS VEHICLE ON
PUBLIC ROADS OR AT SPEEDS GREATER THAN 15
MPH WITH THE SWAY BAR END LINKS
DISCONNECTED.
Range
±1.0°
±0.63°
±0.15°
±0.15°
Please retain this publication for future reference. See
Important Note M.
END LINK DISCONNECT PROCEDURE (FOR ROCK CRAWLING
ONLY)
1)  Remove the hitch pins and center sections from the
front sway bar end links. Place center sections inside
vehicle for safe storage.
2)
 Rotate the sway bar upward.
3)  Connect the sway bar to the inside of the fender
wells as shown in figure 23.
12
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