Direct 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. See Special Tools .
- J 7057 Dial Indicator Plunger Extension. See Special Tools .
- Attach the J 7057 (not visible in the illustration) to the J 8001-3 . See Special Tools .
- Using the J 8001-1 , mount the J 8001-3 to the transmission case through the opening in the case barrel. Place the J 7057 onto the direct clutch piston assembly. See Special Tools .
- Index the J 8001-3 . Set the dial to 0.
- Apply 80 psi of air pressure to the direct clutch fluid passage (3rd/Reverse), in the case bottom, in order to actuate the direct clutch piston. Refer to Fluid Passages , Case Fluid Passages illustration.
- Measure the direct clutch piston travel.
Piston Travel Specification: The piston travel should be 1.27-4.369 mm (0.050-0.172 in).
- Remove the tools.