Rear Output Shaft
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2005 GMC Yukon XL, 2005 GMC Yukon, 2005 GMC Sierra, 2005 GMC Cab & Chassis Sierra, and 2005 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the rear output shaft in cleaning solvent.
- Clean the rear output shaft oil galleries (1) and air dry.
- Inspect the input gear pilot bearing surface (2) and the clutch housing bearing surface (3) for the following conditions:
- Scoring
- Pitting
- Brinelling
- Excessive wear
- Inspect the splines on the rear output shaft for damage or excessive wear. Witness marks at the location of the gears are normal.
- Replace the rear output shaft if any of the above conditions are found.
IMPORTANT:
Do not attempt to smooth any roughness in the bearing journals.