Front Output Shaft

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Front Output Shaft

Courtesy of GENERAL MOTORS CORP.

Clean the front output shaft in cleaning solvent and air dry.
Inspect for spun bearings at the front output shaft bearing areas.
Inspect the front output internal splines and driven gear splines for damage or excessive wear.
Replace the front output shaft if it is damaged.
Inspect the cup plug in the front output shaft for leaking.
Replace the cup plug if it is leaking. Refer to Transfer Case Disassemble and Transfer Case Assemble .