Test Description

WARNING: This page is about a different variant/trim than selected.

The number(s) below refer to the step number(s) on the diagnostic table.

4. This step test for air in the hydraulic lines, this will also cause the transmission to shift hard.
6. This step inspects for a faulty shift control.
10. This step inspects for faulty or worn clutch pressure plate or clutch driven plate.

Fig 1: Transmission Shifts Hard (Steps 1 - 11)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Transmission Shifts Hard (Steps 12 - 14)

Courtesy of GENERAL MOTORS CORP.