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8 1/4 AND 9 1/4-INCH RING GEAR
NOTICE: When fasteners are removed, always reinstall them at the same location from which they were
removed. If a fastener needs to be replaced, use the correct part number fastener for that application. If
the correct part number fastener is not available, a fastener of equal size and strength (or stronger) may
be used. Fasteners that are not reused, and those requiring thread locking compound will be called out
The correct torque value m ust be used when installing fasteners that require it. If the above conditions
are not followed, parts or system damage could result.
SUBJECT
General D escription..................................................................................................................................................... 4C2- 2
Disassembly of the A x le ............................................................................................................................................ 4C2- 2
In spectio n....................................................................................................................................................................4C2- 2
D isassem bly............................................................................................................................................................... 4C2- 2
C leanin g....................................................................................................................................................................... 4C2- 3
Inspectio n....................................................................................................................................................................4C2- 3
Axle H ousing..........................................................................................................................................................4C2- 3
Differential............................................................................................................................................................... 4C2- 3
Pinion and Ring G ear.......................................................................................................................................... 4C2- 3
B earin g s.................................................................................................................................................................. 4C2- 3
Shims, Thrust Washers, and Adjuster Sleeves........................................................................................... 4C2- 5
Shift Mechanism.................................................................................................................................................... 4C2- 5
Actuator Check...................................................................................................................................................... 4C2- 5
Assem bly of the A x le .................................................................................................................................................. 4C2-10
Pinion Bearing Cup Installation........................................................................................................................... 4C2-10
Pinion Depth A djustm ent....................................................................................................................................... 4C2-10
Pinion Installation..................................................................................................................................................... 4C2-11
Differential Case A ssem bly....................................................................................................................................4C2-13
Differential Assembly Installation......................................................................................................................... 4C2-13
Adjusting B acklash .................................................................................................................................................. 4C2-15
Measuring B acklash............................................................................................................................................ 4C2-15
Gear Tooth Contact Pattern Check..................................................................................................................... 4C2-15
Gear Tooth T erm s................................................................................................................................................. 4C2-15
Test............................................................................................................................................................................ 4C2-16
Adjustments Affecting Tooth C ontact.............................................................................................................4C2-16
Carrier Case Assem bly........................................................................................................................................... 4C2-16
Axle Tube A ssem b ly................................................................................................................................................4C2-16
Assem bly................................................................................................................................................................. 4C2-16
Output Shaft Shim Selection............................................................................................................................. 4C2-16
Final A ssem bly..........................................................................................................................................................4C2-18
Drive Axle A ssem b ly................................................................................................................................................... 4C2-21
Outer Deflector Ring Replacem ent..................................................................................................................... 4C2-21
ABS Sensor Ring Replacement............................................................................................................................ 4C2-21
Outer Joint Seal Replacement.............................................................................................................................. 4C2-21
Outer Joint Assembly Replacem ent................................................................................................................... 4C2-24
Inner Tripot Seal Replacem ent............................................................................................................................. 4C2-25
S pecificatio ns................................................................................................................................................................ 4C2-28
Fastener Tightening Specifications......................................................................................................................4C2-28
Available Shim Sizes................................................................................................................................................4C2-28
Pinion Preload and B acklash ............................................................................................................................... 4C2-28
Lubrication.................................................................................................................................................................. 4C2-28
SECTION 4C2
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