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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Front Drive Axle) >> Diagnostic Information and Procedures >> Front Axle Lubricant Leak Diagnosis >> Determining the Cause >> Differential Carrier Assembly

Differential Carrier Assembly

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Lubricant leaks at the differential carrier assembly can occur at the following locations:

Drain and fill plug leaks are usually caused by a loose plug. A vent tube leak can be cause by a loose fitting vent hose or by a vent tube assembly whose interior shield is stuck in the upside down position. Inspect the vent plug's interior shield for unrestricted movement, repair or replace the plug as necessary. Drain or fill plug leaks can be repaired by either tightening the plug or by using an approved sealer on the threads on the plug.

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