Jeep Grand Cherokee WK. Manual — part 83
11. Push axle into axle tube.
12. Install axle (2) flange nuts (1) and tighten nuts to
119 N·m (88 ft. lbs.).
13. Install speed sensors (2) in axle tube (1) flange.
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14. Install ELSD connector (1).
15. Install calipers and rotors.
16. Install differential cover (1) fill differential and
install fill plug (2).
ADJUSTMENTS
Ring gear and pinion are supplied as matched sets.
Identifying numbers for the ring gear and pinion are
painted onto the pinion gear shaft and the side of the
ring gear. A plus (+) number, minus (–) number or zero
(0) along with the gear set sequence number (2) (01
to 99) is on each gear. This first number (1) the
amount (in thousandths of an inch) the depth varies
from the standard depth setting of a pinion marked
with a (0). The next two numbers are the sequence
number of the gear set. The standard depth provides
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REAR AXLE - C213RE
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the best teeth contact pattern.
Compensation for pinion depth variance is achieved
with select shims (4). The shims are placed behind the
rear pinion bearing.
If installing a new gear, note the depth variance num-
ber of the original and replacement pinion. Add or sub-
tract this number from the original depth shim/oil
slinger to compensate for the difference in the depth
variances. The numbers represent thousands of an
inch deviation from the standard. If the number is neg-
ative, add that value to the required thickness of the
depth shims. If the number is positive, subtract that
value from the thickness of the depth shim.
Pinion Gear Depth Variance Chart: Note where Old and New Pinion Marking columns intersect. Intersecting figure
represents plus or minus the amount needed.
PINION GEAR DEPTH VARIANCE
Original Pinion
Gear Depth
Variance
Replacement Pinion Gear Depth Variance
2
4
2
3
2
2
2
1
0
+1
+2
+3
+4
+4
+0.008
+0.007
+0.006
+0.005
+0.004
+0.003
+0.002
+0.001
0
+3
+0.007
+0.006
+0.005
+0.004
+0.003
+0.002
+0.001
0
2
0.001
+2
+0.006
+0.005
+0.004
+0.003
+0.002
+0.001
0
2
0.001
2
0.002
+1
+0.005
+0.004
+0.003
+0.002
+0.001
0
2
0.001
2
0.002
2
0.003
0
+0.004
+0.003
+0.002
+0.001
0
2
0.001
2
0.002
2
0.003
2
0.004
2
1
+0.003
+0.002
+0.001
0
2
0.001
2
0.002
2
0.003
2
0.004
2
0.005
2
2
+0.002
+0.001
0
2
0.001
2
0.002
2
0.003
2
0.004
2
0.005
2
0.006
2
3
+0.001
0
2
0.001
2
0.002
2
0.003
2
0.004
2
0.005
2
0.006
2
0.007
2
4
0
2
0.001
2
0.002
2
0.003
2
0.004
2
0.005
2
0.006
2
0.007
2
0.008
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PINION DEPTH MEASUREMENT
Measurements are taken with pinion bearing cups and
pinion bearings installed in the housing. Take mea-
surements with Pinion Gauge Set and Dial Indicator
C-3339 (1).
1. Assemble Pinion Height Block 6739 (2), Pinion
Block 8540 (1) and rear pinion bearing onto Screw
6741.
2. Insert assembled height gauge components, rear
bearing and screw into housing through pinion
bearing cups.
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