Chevrolet Silverado / GMC Sierra. Manual — part 908

Fig. 232: Identifying Inspection Areas On Stator Shaft
Courtesy of GENERAL MOTORS CORP.

1. Inspect the splines of the stator shaft (1) for damage and wear. Replace the stator shaft if

there is any visible wear.

The new stator shaft comes with a pre-installed bushing.

The bearing must be removed to replace the stator shaft. If
the stator shaft and the bearing both need replacing, replace
the stator shaft first.

Replace the stator shaft if the specifications are not met.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 233: Illustrating Stator Shaft Measurement Points
Courtesy of GENERAL MOTORS CORP.

2. Measure the inside diameter (ID) of the stator shaft (2) at dimension A, the turbine shaft seal

ring bore.

IMPORTANT:

The stator shaft bushing and bearing are replaced with
the stator shaft installed in the oil pump cover assembly.

Replace the stator shaft if the stator shaft splines or seal
ring bore specification is not met.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Specification: Stator shaft maximum ID is 45.450 mm (1.789 in).

3. Measure the ID of the stator shaft bushing (1) at dimension B.

Specification: Stator shaft bushing maximum ID is 33.820 mm (1.3315 in).

STATOR SHAFT REPLACEMENT

Tools Required

J 43765 Stator Shaft Installer/Remover. See Special Tools.

Removal Procedure

IMPORTANT: Replace the bushing if the bushing is damaged or the ID

specification is not met.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado