OMT187892

Symptom	Problem	Solution
Final Drive Leaking Oil	Loose or damaged oil plugs	Tighten or replace oil plugs.
	Oil level too high	Drain oil to correct level.
	Final drive bolts loose	Tighten final drive bolts to correct torque.
	Axle breather blocked	Check axle breather

Noisy Final Drive

Low oil level in final drive

Fill final drive. (See Check Axle Oil Levels in Maintenance—Every 1000 Hours section.)

Final Drive Overheating	Oil level too high	Drain oil to correct level.
	Oil level too low	Fill final drive. (See Check Axle Oil Levels in Maintenance—Every 1000 Hours section.)

Differential Assembly Leaking Oil

Bolts loose on main housing

Tighten bolts to correct torque.

Differential Assembly Noisy

Oil level too low

Fill the differential. (See Check Axle Oil Levels in Maintenance—Every 1000 Hours section.)

Differential Assembly Overheating	Oil level too high	Drain oil to correct level.
	Oil level too low	Fill the differential. (See Check Axle Oil Levels in Maintenance—Every 1000 Hours section.)
	Axle breather blocked	Clean axle breather. (See Clean, Inspect, and Replace Breathers—Transmission, Transfer Case, and Axles in Maintenance—As Required section.)

OUO1043,0000E2C-19-20011030