(51) Transfer shaft to ring gear backlash should be
0.0069 to 0.0099 thousands of an inch. To get the
backlash close enough to measure, perform the fol-
lowing steps. Hold the transfer shaft with one hand
and rock the ring gear back and forth (Fig. 229). You
should feel some backlash between the gears. If no
backlash is felt use special tool 6502B to turn the
inner adjuster so that it raises the differential
assembly. This will increase backlash. If there is to
much backlash, use special tool 6502B to turn the
inner adjuster so that it lowers the differential
assembly. This will decrease backlash. Recheck the
backlash after each adjustment.
(52) Apply a 1/8 inch bead of sealant to differential
cover flange. Then install differential cover with seal-
ant (Fig. 230) and tighten cover bolts.
(53) Install seal protector (special tool 6591) on
shaft (Fig. 231).
CAUTION: Lube threads and O-ring on adjuster
before installing. Failure to due so will result in
thread damage to the adjuster and differential
cover.
(54) Install outer adjuster with new O-ring (Fig.
232). Torque the outer adjuster (special tool 6503) to
the torque reading recorded in Step 30. Then seat
bearings by turning differential three or four revolu-
tions in both directions. Tighten adjuster a second
time to same torque recorded in Step 30. Again
reseat bearings. Repeat this sequence until correct
adjuster torque is maintained.
Fig. 229 Rocking Ring Gear Back and Forth
1 - DIFFERENTIAL ASSEMBLY
Fig. 230 Differential Cover Installation
1 - SIDE COVER
Fig. 231 Seal Protector
1 - SEAL PROTECTOR (6591)
2 - SIDE COVER
Fig. 232 Outer Adjuster Installation
1 - O-RING
2 - OUTER ADJUSTER
LH TRANSAXLE 21 - 95
FINAL DRIVE (Continued)
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