Input Shaft
WARNING: This page is about a different car, the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Cadillac Escalade EXT, 2012 Cadillac Escalade ESV, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the input shaft in cleaning solvent.
- Inspect the input seal surface (1) for excessive grooves or damage.
- Inspect the bearing journals on the input shaft for the following conditions:
- The drive gear bushing (2)
- The rear support bushing (4)
- Scoring
- Pitting
- Brinelling
- Excessive wear
- Inspect the input shaft planetary carrier assembly splines (3) for damage or excessive wear. Witness marks at the location of the gear is normal.
- Replace the input shaft if any of the above conditions are found.
NOTE:
Do not attempt to smooth any roughness in the bearing journals.