Jeep Grand Cherokee WK. Manual — part 21
CAUTION: Suspension components with rubber/urethane bushings should be tightened with the vehicle at
normal ride height. It is important to have the springs supporting the weight of the vehicle when the fas-
teners are torqued. This will maintain vehicle ride comfort and prevent premature bushing wear.
WARNING
WARNING: Suspension components with rubber bushings must be tightened with the vehicle at normal ride
height. It is important to have the springs supporting the weight of the vehicle when the fasteners are
torqued. If springs are not at their normal ride position, vehicle ride comfort will be affected and cause
premature bushing wear.
DIAGNOSIS AND TESTING - REAR SUSPENSION
CONDITION
POSSIBLE CAUSES
CORRECTION
VEHICLE INSTABILITY
1. Loose or worn wheel bearings.
1. Replace wheel bearings.
2. Loose, worn or bent suspension
components.
2. Inspect, tighten or replace components
as necessary.
3. Tire pressure.
3. Adjust tire pressure.
VEHICLE PULLS TO ONE
SIDE
1. Weak or broken spring.
1. Replace spring.
2. Alignment.
2. Align vehicle to specifications.
3.Tires.
3. Replace tires.
4. Brakes.
4. Repair as necassary.
KNOCKING, RATTLING
OR SQUEAKING
1. Worn shock bushings.
1. Replace shock.
2. Loose shock mounting.
2. Tighten to specifications.
3. Shock valve.
3. Replace shock.
4. Weak or broken spring.
4. Replace spring.
5. Loose, worn or bent suspension
components.
5. Inspect, tighten or replace components
as necessary.
IMPROPER TRACKING
1. Loose, worn or bent suspension
components.
1. Inspect, tighten or replace components
as necessary.
2. Bent axle.
2.Replace axle.
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REAR
WK
SPECIFICATIONS
TORQUE CHART
TORQUE SPECIFICATIONS
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Shock Absorber Upper Bolt
95
70
—
Shock Absorber Lower Bolt
115
85
—
Suspension Arms Lower Axle Bracket Nut
210
155
—
Suspension Arms Lower Frame Bracket Nut
176
130
—
Suspension Arms Upper Axle Bracket Nut
136
100
—
Suspension Arms Upper Frame Bracket Nut
129
95
—
Track Bar to Axle
190
140
—
Track Bar to Rear Structure
190
140
—
Stabilizer Bar Retainer Bolts
46
34
—
Stabilizer Link Nut to Stabilizer Bar
88
65
—
Stabilizer Link to Body
Bolt
102
75
—
Jounce Bumper Bolt to Body
54
40
—
LOWER CONTROL ARM
DESCRIPTION
The lower suspension arms (3) are tubular steel and
use a voided oval bushing at the arm on the axle side.
OPERATION
The bushings provide isolation from the axle. The arms mount to the unibody frame rail bracket and the axle brack-
ets. The arm and bushings provide location and react to loads.
WK
REAR
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REMOVAL
LEFT SIDE
1. Raise the vehicle and support the rear axle.
2. Remove the fuel tank (Refer to 14 - FUEL SYSTEM/FUEL DELIVERY/FUEL TANK - REMOVAL).
3. Remove the lower suspension arm nut (2) and bolt
(1) from the axle bracket.
4. Remove the nut (1) and bolt (8) from the frame rail
and remove the lower suspension arm (9).
RIGHT SIDE
1. Raise the vehicle and support the rear axle.
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REAR
WK
2. Remove the lower suspension arm nut (2) and bolt
(1) from the axle bracket.
3. Remove the nut (1) and bolt (8) from the frame rail
and remove the lower suspension arm (9).
INSTALLATION
LEFT SIDE
NOTE: All torques should be done with vehicle on the ground with full vehicle weight.
WK
REAR
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