K 1500 Truck 4WD V8-350 5.7L (1986)
Wheel Hub (Locking): Adjustments
Fig. 4 Adjusting wheel bearing
EXC. HUBS W/MONROE AUTO. TYPE LOCKING HUB
1.
Remove dust cap or locking hub, lockwasher and outer locknut.
2.
Using suitable spanner wrench, torque inner adjusting nut to 50 ft.. lbs. while rotating hub. Back off adjusting nut and torque to 50 ft. lbs. on
1985---87 models with manual hubs, or 35 ft. lbs. on all other models, while rotating hub, Fig. 4.
3.
Back off adjusting nut just enough to free bearing on 1986---87 models with manual hubs, or 3/8 of a turn on all other models.
4.
On 1980---84 K10---20/1500---2500 vehicles, proceed as follows:
a. On 1980 models, assemble adjusting nut lock by aligning nearest hole in lock with adjusting nut pin. Install outer locknut and torque to 80 ft.
lbs.
b. On 1981---84 models, assemble drag sleeve retainer washer over the axle shaft and against bearing adjusting nut. The tang on the inside
diameter of this washer is assembled in the keyway of the spindle. Assemble and tighten outer locknut to 160---205 ft. lbs.
5.
On 1980---84 K30/3500 vehicles, proceed as follows:
a. On 1980---81 models, assemble lockwasher and locknut, then torque locknut to 65 ft. lbs. Bend one ear of lockwasher at least 30° over inner
adjusting nut, and the other ear at least 60° over outer locknut.
b. On 1982---84 models, assemble drag sleeve retainer washer over axle shaft and against bearing adjusting nut. The tang on the inside diameter
of this washer is assembled in the keyway of the spindle. Assemble and tighten outer locknut to 160---205 ft. lbs.
6.
On 1985---87 models, assemble drag sleeve retainer washer. Ensure tang on inside diameter of washer passes onto slot in spindle and hole in
washer aligns with locknut pin. Move adjustment nut as necessary to align pin, then torque locknut to 160 ft. lbs.
7.
On all vehicles, check to ensure all hub assemblies have .001---.010 inch endplay.
8.
Install dust cap or locking hub.
HUBS W/MONROE AUTO. TYPE LOCKING HUB
1.
Remove locking hub assembly.
2.
Torque locknut to 70 ft. lbs. while rotating hub and disc assembly.
3.
Back off locknut, then torque to 25 ft. lbs. while rotating hub and disc.
4.
Back off locknut to align nearest slot, then install locknut key.
5.
Measure endplay. Endplay should be .001---.010 inch.
6.
Reinstall locking hub assembly.
