CONTINUOUS AXLE OR WHEEL NOISE - Continued
STEP
4.
ARE WHEEL BEARINGS IN GOOD OPERATING CONDITION?
a.
Visually check wheel bearing for adjustment and damage.
T0530DAA
Figure 4.
Wheel Bearings.
b.
Raise vehicle wheels until they are off the ground M939 (Volume 3, WP
0484),
M939A1/A2 (Volume 3, WP
0485).
NOTE
Excessive play indicates improperly adjusted or damaged bearings.
c.
Lift up on bottom of tire using prybar to determine bearing play.
CONDITION/INDICATION
ARE WHEEL BEARINGS IN GOOD OPERATING CONDITION?
DECISION
YES - Go to Step (5).
NO - Moderate play. Adjust wheel bearing(s) (Volume 3, WP
0483). Go to Step (6) to verify problem is solved.
NO - Excessive play front wheel bearing damaged. Replace damaged front wheel bearings
M939/A1 (Volume 3, WP
0479), M939A2 (Volume 3, WP
0481). Go to Step (6) to verify problem is solved.
NO - Excessive play rear wheel bearing damaged. Replace damaged rear wheel bearings
M939/A1 (Volume 3, WP
0480), M939A2 (Volume 3, WP
0482). Go to Step (6) to verify problem is solved.
TM 9-2320-272-23-1
0045
0045-5