Forward Clutch Piston Travel Check

Tools Required

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

IMPORTANT: The turbine shaft (502) is required in order to perform the forward clutch piston travel check.
Fig 1: View Of Turbine Shaft
Courtesy of GENERAL MOTORS CORP.
1. Remove the overdrive carrier retainer ring (522).
2. Remove the turbine shaft (502).
3. Place the turbine shaft (502) in a soft-jawed vice.
   Fig 2: Blowing Air Into Forward Clutch Fluid Passage In Turbine Shaft

   Courtesy of GENERAL MOTORS CORP.
4. Install the forward clutch housing assembly (602) onto the turbine shaft (502).
5. Attach the J 8001-3  to the J 26900-13  .
6. Place an index finger over one side of the forward clutch fluid passage in the turbine shaft (502).
7. 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).

8. Remove the tools.
9. Remove the forward clutch housing assembly (602) from the turbine shaft (502).