TM-9-2320-272-23-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-1 - Page 526 of 1313

FIELD MAINTENANCE

CONTINUOUS AXLE OR WHEEL NOISE

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanic's: Automotive

(Volume 5, WP

0826, Table 1, Item 56)

High Boy Jack Stands

(Volume 5, WP

0826, Table 1, Item 24)

Personnel Required

(2)

References

Point to Point Schematics

References (cont.)

Volume 3, WP

0404

Volume 3, WP

0411

Volume 3, WP

0484

Volume 3, WP

0485

Volume 5, WP

0820

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

CONTINUOUS AXLE OR WHEEL NOISE

NOTE

Conduct these malfunction tests if there is continuous axle or wheel noise. This procedure

will check if the front wheel drive is engaged when traveling on hard surfaces, for missing

wheel lug nuts, axle and differential lubrication and loose or damaged wheel bearings.

TM 9-2320-272-23-1

0045

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