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Maintenance, Service, and Repair
INSPECT THE FRONT WHEEL
BEARINGS AND KING PIN
1. Make sure the ignition switch is in the "OFF"
position.
2. Place the transmission shift lever in the Park or
Neutral position
3. Set the park brake.
4. Place blocks under the rear wheels to prevent
vehicle movement.
Always use a lifting strap, hoist, and jack stands, of
adequate capacity to lift and support the vehicle.
Failure to use lifting and support devices of rated
load capacity may result in severe bodily injury.
5.
Raise the front of the vehicle and support with jack stands.
6.
Grab the top and bottom of the tire/wheel assembly. Feel
for any movement or play while pulling and pushing on
the top and bottom of the tire. Any movement or play is an
indication of loose wheel bearings or king pin.
7.
Spin the wheel and listen for any grinding noise. Any
grinding noise may be an
indication
of
worn
damaged wheel bearings.
8.
Lower the vehicle.
9.
Remove the blocks from
behind the wheels and test
drive the vehicle.
Front Axle: MT-030-60-C
Page 2
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ADJUST FRONT WHEEL
BEARINGS (USED BEARINGS)
DO NOT use this procedure to set new wheel bearings.
Refer to Adjust Front Wheel Bearing for new bearing
adjustment procedure.
Setting the proper wheel bearing preload is the
combination of tightening the two wheel bearing nuts.
Use tool #96-500-47 to adjust bearings.
1. Make sure the ignition switch is in the "OFF"
position.
2. Place the transmission shift lever in the Park or
Neutral position
3. Set the park brake.
4. Place blocks under the rear wheels to prevent
vehicle movement.
Always use a lifting strap, hoist, and jack stands, of
adequate capacity to lift and support the vehicle.
Failure to use lifting and support devices of rated
load capacity may result in severe bodily injury.
5.
Raise the front of the vehicle and support with jack stands.
6.
Remove the hub cap cover bolts, hub cap, and gasket.
NOTE: A new gasket is required.
7.
Push on the inner brake pad to force the brake pistons
into the brake caliper so that the brake pads are not
contacting the rotor.
8.
Remove the outer bearing nut and keyed washer.
9.
While rotating the hub, tighten the inner bearing nut to 30
foot pounds (40 Newton meters).
10. Loosen the nut and then while rotating the hub hand
tighten the inner nut until it is snug against the bearing.
11. Now, rotate the nut counterclockwise 30 to 45 degrees.
The tool is marked with notches at 30 and 45 degrees.
12. Install the keyed washer and outer bearing nut then tighten
the nut to torque listed in the Hardware Torque table at
the end of this section.
13. Bend the keyed washer up against a flat on the outer nut.
14. Install the hub cap. Use a new gasket.
15. Lower the vehicle.
16. Remove the blocks from behind the wheels and test drive
the vehicle.
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