reseat bearings. Repeat this sequence until correct
adjuster torque is maintained.
(56) To check and/or adjust backlash, remove the
inspection plug from the top of the differential.
Install dial indicator as shown in (Fig. 430). The tip
of the dial indicator must be perpendicular against
one of the ring gear teeth. Hold transfer shaft with
locking pliers. Move ring gear back and forth with
special tool 6548. Read the amount of backlash with
dial indicator. Backlash should be 0.006” to 0.009”
thousands of an inch.
(57) If there is too much backlash, loosen the outer
adjuster with special tool 6503. Then turn the inner
adjuster so that it moves away from the ring
gear. After adjusting the inner adjuster, retighten
the outer adjuster to the torque recorded in Step 30.
The inner adjuster should be turned in small incre-
ments.
(58) If there is not enough backlash, loosen the
outer adjuster with special tool 6503. Then turn the
inner adjuster so that it moves towards the ring
gear. After adjusting the inner adjuster, retighten
the outer adjuster to the torque recorded in Step 30.
The inner adjuster should be turned in small incre-
ments.
(59) Once backlash is with in specifications,
recheck backlash in four spots on the ring gear 90
degrees apart. All four readings should be within
specifications.
(60) Install inner and outer adjuster locking brack-
ets.
(61) Install new inspection plug. Use a wooden
block to tap inspection plug into place.
Fig. 426 Rocking Ring Gear Back and Forth
1 – DIFFERENTIAL ASSEMBLY
Fig. 427 Differential Cover Installation
1 – SIDE COVER
Fig. 428 Seal Protector
1 – SEAL PROTECTOR
(6591)
2 – SIDE COVER
Fig. 429 Outer Adjuster Installation
1 – O-RING
2 – OUTER ADJUSTER
LH 42LE TRANSAXLE 21 - 137
DISASSEMBLY AND ASSEMBLY (Continued)
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