Forward Clutch Piston Travel Check

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2005 GMC Yukon XL, 2005 GMC Sierra, 2005 GMC Savana Special, 2005 GMC Savana Camper Special, and 2005 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 8001 Dial Indicator Set
J 26900-13 Magnetic Indicator Base

Fig 1: View Of Turbine Shaft & Overdrive Carrier Retainer Ring

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The turbine shaft (502) is required in order to perform the forward clutch piston travel check.

Remove the overdrive carrier retainer ring (522).
Remove the turbine shaft (502).

Fig 2: Checking Forward Clutch Piston Travel

Courtesy of GENERAL MOTORS CORP.

Place the turbine shaft (502) in a soft-jawed vice.
Install the forward clutch housing assembly (602) onto the turbine shaft (502).
Attach the J 8001-3 to the J 26900-13 .
Place an index finger over one side of the forward clutch fluid passage in the turbine shaft (502).
Apply air to the other side of the forward clutch fluid passage in the turbine shaft (502).
Piston Travel Specification: The piston travel should be 1.27-4.369 mm (0.050-0.172 in).
Remove the tools.
Remove the forward clutch housing assembly (602) from the turbine shaft (502).