Direct Clutch Piston Travel Check. GMC Truck Export Savana 1999

For 1990-2009 cars

#### Tools Required

• | J 8001 Dial Indicator Set

• | J 7057 Dial Indicator Plunger Extension

1. Attach the J 7057 (not visible in the illustration) to the J 8001-3 .
2. 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.
3. Index the J 8001-3 . Set the dial to 0.
4. 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 Transmission Component Location , Case Fluid Passages illustration.
5. Measure the direct clutch piston travel. The piston travel should be 1.27-4.369 mm (0.050-0.172 in).
6. Remove the tools.