Jeep Grand Cherokee WK. Manual — part 70
10. Install the threaded adjuster locks and tighten the lock screws to 10 N·m (90 in. lbs.).
11. After the proper backlash is achieved, perform the Gear Contact procedure.
GEAR CONTACT PATTERN
1. Wipe clean each tooth of the ring gear.
2. Apply gear marking compound to all of the ring
gear teeth.
3. Verify bearing cap bolts are torque specification.
4. Apply parking brakes lightly to create at 14 N·m (10
ft. lbs.) pinion rotating torque.
5. Rotate the pinion/pinion yoke 4 full revolutions in
each directions.
6. Read gear tooth contact pattern.
Gear contact pattern is correct. Backlash and pinion
depth is correct.
Ring gear is too far away from the pinion gear, coast
side toe (1) drive side heel (2). Decrease backlash by
moving ring closer to the pinion gear using the
adjusters.
Ring gear is too close to the pinion gear, drive side
toe (1) coast side heel (2). Increase backlash by mov-
ing ring away from the pinion gear using the adjusters.
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REAR AXLE - C213R
WK
Ring gear is too far away from the pinion gear, drive
side heel (1) coast side heel (2). Decrease backlash
by moving ring gear closer to the pinion gear using
the adjusters.
Ring gear is too close to the pinion gear, drive side
toe (1) coast side toe (2). Increase backlash by mov-
ing ring gear away from the pinion gear using the
adjusters.
Pinion gear is set too low. Increase pinion gear height,
by increasing pinion depth shim thickness.
Pinion gear is set too high. Decrease pinion height by
decreasing the pinion depth shim thickness.
WK
REAR AXLE - C213R
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SPECIFICATIONS
AXLE SPECIFICATIONS
DESCRIPTION
SPECIFICATION
Axle Ratio
3.21, 3.55, 3.73
Differential Case Flange Runout
0.076 mm (0.003 in.)
Differential Case Clearance
0.12 mm (0.005 in.)
Ring Gear Diameter
209.5 mm (8.25 in.)
Ring Gear Backlash
0.12-0.20 mm (0.005-0.008 in.)
Ring Gear Runout
0.12 mm (0.005 in.)
Pinion Bearing Preload - Original Bearings
1-2 N·m (10-20 in. lbs.)
Pinion Bearing Preload - New Bearings
1.7-4 N·m (15-35 in. lbs.)
TORQUE SPECIFICATIONS
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Differential Cover Bolts
41
30
-
Bearing Cap Bolts
136
100
-
Ring Gear Bolts
102
75
-
Pinion Nut Minimum
285
210
-
Adjuster Lock Screw
11
8
-
Pinion Shaft Lock Screw
26
19
-
Axle Flange Nuts
119
88
-
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REAR AXLE - C213R
WK
SPECIAL TOOLS
PULLER/PRESS C-293-PA
ADAPTERS C-293-47
ADAPTERS C-293-48
FLANGE WRENCH C-3281
DIAL INDICATOR C-3339
SEAL INSTALLER C-3972A
ADJUSTMENT WRENCH C-4164
HANDLE C-4171
REMOVER C-4307
WK
REAR AXLE - C213R
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