Adjusting Backlash - GMC 1989 Light Duty Truck Repair Manual

4C4-14 K TRUCK FRONT AXLE
Figure 28— Turning the Adjuster Sleeve
61. Adjuster Plug
63. Bolt
64. Lock
Figure 2 9 — T u rnin g th e A d ju s te r Plug (K 35 M odels)
J 365 9 9
Figure 30— Installing the Side Bearing Cups
2. New O-ring (62) to the adjuster plug (61) (K35
models).
3. Sleeves (32) and/or adjuster plug (61) to the carrier
case (29).
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4. Side bearing cups (33). Use J 36603 with J 8092
(figure 30).
5. Differential assembly to the carrier case half.
• Remove the carrier case from J 36598.
6 . Carrier case halves. Do not use sealer at this time.
7.
Bolts (28). Tighten to
Tools Required:
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• K15-25 models: Use J 36599 (figure 28).
• K35 models: Use J 36599 for the right sleeve
(figure 28). Use J 36615 for the adjuster plug
(figure 29).
• Place the differential assem bly into the carrier
case half which contains the pinion gear.
• Turn the left sleeve (32) (K15-25 models) or
a d ju s te r plug (61) (K35 m odels) in until
backlash is felt between the ring and pinion.
• K15-25 models: Use J 36599 (figure 28).
• K35 models: Use J 36615 (figure 29).
• If the carrier halves do not make complete
contact, back out the right sleeve (32). Use
J 36599 (figure 28).
47
N m (35 ft. lbs.).

ADJUSTING BACKLASH

J 34047 Dial Indicator Set
J 8001 Dial Indicator Set
J 34047-3 Dial Indicator Adapter
F-5873