Cleaning and Inspection: Mainshaft
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.
- Clean the mainshaft in cleaning solvent.
- Clean the mainshaft oil galleries (1) and air dry.
- Inspect the bearing journals on the mainshaft for the following conditions:
- The front support bearing (2)
- The drive gear bushing (4)
- The front sun gear (5)
- The rear support bushing (6)
- Scoring
- Pitting
- Brinelling
- Excessive wear
- Inspect the mainshaft range collar splines (3) for damage or excessive wear. Witness marks at the location of the gear is normal.
- Replace the mainshaft if any of the above conditions are found.
IMPORTANT:
Do not attempt to smooth any roughness in the bearing journals.