GMC 1989 Light Duty Truck Repair Manual page 295

K TRUCK FRONT AXLE 4C4-7
T~ —
61. A d ju s te r Plug
63. B o lt
64. Lock
F-5858
Figure 7— Removing the Pilot Bearing Figure 10—Turning the Adjuster Plug (K35 Models)
Figure 8— Removing the Left Shaft
J 3 65 9 9
F-5788
Figure 11 — R e m o vin g th e Pinion N ut
F-5857
Figure 9 — Turnin g th e A d ju s te r S leeve