Input Shaft Cleaning and Inspection

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Input Shaft Inspection Points

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Clean the input shaft in cleaning solvent and air dry. The case halves, internal gears and bearings are not serviceable components. If damage is present, the transfer case assembly must be replaced.
1	Input Shaft Splines NOTE: Inspect for excessive wear or damage.
2	Input Shaft Front Seal Surface NOTE: Inspect for excessive grooves, rust, pitting, or damage.
3	Input Shaft Gear Teeth NOTE: Inspect for excessive wear or damage.
4	Input Shaft Bearing NOTE: Inspect for bearing wear or other damage
5	Input Shaft Rear Seal Surface NOTE: Inspect for excessive grooves, rust, pitting, or damage.