591 / 1235
Rear Axle
23
PATTERN INTERPRETATION
(RING GEAR)
FACE HOBBING
DRIVE
SIDE
HELL
TOE
CONDITION
COAST
SIDE TOE
HELL
CONDITION
ACTION REQUIRED
Desirable pattern.
The pattern should
be centered on the
tooth. There should
be some clearance
between the pattern
and the top of the
tooth.
Desirable pattern. The coast
pattern should be centered
on the tooth, but may be
slightly toward the toe.
There should be some
durance between the
pattern and the top of the
tooth
None
Top toe contact
Top heel contacts
Backlash correct.
Thicker pinion position
shim required
Root heel contact
Root toe contact
Backlash correct.
Thinner pinion
position shim required
Top heel contact
Top toe contact
Pinion position shim,
correct.
Decrease backlash.
Root toe contact
Root heel contact
Pinion position shim
correct.
Increase backlash.
4.0 DIS-ASSEMBLY & REASSEMBLY OF
LIMITED SLIP DIFFERENTIAL (TRAC-LOK)
4.1 DIS-ASSEMBLY OF TRAC-LOK
DIFFERENTIAL
Refer section 3 point 3.2 to separate Ring Gear
from Differential case. Refer section 3 point 3.3 to
remove pin roll & diff shaft from Differential case.
Removal of Differential Gear