Turbine Shaft Bushing Inspection

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Turbine Shaft Bushing Measurements

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Replace the turbine shaft bushing if specifications are not met.

Inspect the bushing (2) inside the end of the turbine shaft (1) for damage.
Measure the inside diameter of the turbine shaft bushing at dimension A.
Specification: The maximum turbine shaft bushing ID is 20.117 mm (0.7920 in).