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SERVICE REPLACEMENT
If the Trac-Lok unit must be replaced as an assembly,
replace the unit as follows:
(1) Remove differential bearings and shims. Mark
or tag each bearing and shim pack for assembly
reference.
(2) Remove ring gear from case.
(3) Install original ring gear on replacement differ
ential assembly. Be sure gear flange on replacement
case is free of nicks or burrs.
(4) Inspect shims and bearings which were re
moved. If shims and bearings are worn or damaged,
AXLES-FRONT HUBS
2F-47
replace them. Be sure shims and bearings are used on
same sides of replacement case as on old case.
(5) Install shims and differential bearings. Use step
plate on bottom bearing to protect bearing from damage
during installation of upper bearing. Seat bearings, us
ing bearing driver tool.
(6) Lubricate differential bearings with 85W-90
gear lubricant and install differential assembly in axle
housing.
(7) Follow service procedures previously outlined
for conventional axles to complete differential and axle
assembly servicing.
SPECIFICATIONS
Axle Specifications
Model 44 Axle
USA
Differential Bearing Preload
0.15 in
Differential Side Gear-to-Case Clearance
000-.006 in
Ring Gear Backlash
005-.010 in
Pinion Bearing Break-Away Preload
Original Bearings
10-20 in-lbs.
New Bearings
20-40 in-lbs.
Model 60 Axle
Differential Bearing Preload
.015 in
Differential Side Gear-to-Case Clearance
000-.006 in
Drive Gear-to-Pinion Backlash
005-.009 in
Drive Pinion Bearing Break-Away
Original Bearings
10-20 in-lbs.
New Bearings
20-40 in-lbs.
AMC/Jeep Axle
Axle Shaft End Play (Shims - Left Side Only)
0O4-.008 in
(.006 in
desired)
Pinion Bearing Preload (Collapsible Sleeve)
17-25 in-lbs.
Differential Bearing Preload (Shims)
008 in
Differential Case Flange Runout (Inspection only —no adjustment)
002 in max.
Ring Gear Backlash (Shims)
005-.009 in
(.008 in
desired)
Pinion Gear Standard Setting (Shims)
2.547 in
Metric
0.38 mm
0.000-0.15 mm
0.12-0.25 mm
1-2 N-m
2-5 N-m
0.38 mm
0.000-0.15 mm
0.12-0.15 mm
1-2 N-m
2-5 N-m
0.10-0.20 mm
(0.15 mm
desired)
2-3 N-m
0.20 mm
'0.05 mm max.
0.12-0.15 mm
(0.20 mm
desired)
64-69 mm
60657B
Torque Specifications
Service Set-To Torques should be usad when assembling components. Service In-Use Recheck Torques should ba used for checking a pre-tightened Item.
Model 30 Front Axle
Axle Housing Cover Bolts
Differential Bearing Cap Bolts
Ring Gear-to-Case Bolts
Lower Ball Stud Nut
Pinion Nut
Universal Joint U-Bolts
Upper Ball Stud Nut
Upper Ball Stud Seat
Wheel-to-Hub Nuts
USA (ft. lbs.)
Metric (N •m)
Service
Service
Service
In-Use
Service
In-Use
Set-To
Recheck
Set-To
Recheck
Torque
Torque
Torque
Torque
20
15-25
27
20-34
40
35-50
54
47-68
55
45-65
75
61-88
80 min.
—
108 min.
—
210
200-220
271
285-298
15
13-18
20
18-24
100 min.
-
136 min.
-
50 min.
—
68 min.
—
80
65-90
108
88-122
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Troubleshooting
