TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 111 of 1176

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. DIFFERENTIAL CLUNKS

DURING TURNS OR

INITIAL TAKEOFF

1. Check for loose or damaged

wheel bearings. Raise wheel off

ground. Use prybar to check for

excessive play.

2. Check torque rod for damage

(WP 0162 00).

3. Check differential propeller

shaft(s) and universal joint(s)

condition (WP 0139 00 or

WP 0141 00).

4. Check front axle shafts and

universal joints for defects

(WP 0142 00).

1. Adjust wheel bearings if loose

(WP 0189 00).

2. If damaged, replace wheel

bearings (WP 0187 00 or

WP 0188 00).

Repair or replace torque rods

(WP 0162 00).

Repair or replace defective

components (WP 0139 00 or

WP 0141 00).

1. Repair or replace defective

components (WP 0142 00).

2. If problem still exists, replace

differential (WP 0454 00).

3. DIFFERENTIAL VIBRATES

1. Check tires and rims condition.

2. Check front axle shafts and

universal joints for defects

(WP 0142 00).

Repair or replace defective

components (WP 0186 00).

1. Repair or replace defective

components (WP 0142 00).

2. If problem still exists, replace

differential (WP 0454 00).

4. DIFFERENTIAL LEAKS OIL

1. Check axle seals condition.

2. Inspect drum for presence of

gear oil.

3. Check housing for loose

hardware.

Replace seals, if defective

(WP 0143 00).

If gear oil is present in or around

drums, replace axle seals

(WP 0143 00).

Tighten all loose hardware.

TM 9-2320-361-24-1

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MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)

Table 11. Differential Troubleshooting Procedures (Contd).