Table 3-6. Unit Troubleshooting Table. -- Continued
Test or Inspection
NOISY DIFFERENTIAL OR DRIVESHAFT.
Rear axle shares oil with rear hub; front axle cannot share oil with front hub.
Check axle oil level (1) for contamination (TM 5-2420-230-10) and drain plug (2) for metal shavings.
If axle oil level (1) is low or contaminated, drain and fill (Para 14-4).
Check U-joints for excessive lateral movement.
Inspect driveline: drive shafts (1) and U-joints for excessive play.
If drive shafts (1) or U-joints are damaged or having dents or missing weights, replace if necessary