Intermediate Clutch Piston Travel Check

Fig 1: Measuring Piston Travel With Feeler Gage

Courtesy of GENERAL MOTORS CORP.

Using a feeler gage, measure the piston travel between the intermediate clutch backing plate and the intermediate clutch backing plate retaining ring (629).
Piston Travel Specification: Piston travel should be 1.02-2.72 mm (0.040-0.107 in).
If piston travel is not correct, inspect for the following conditions and repair as required.
- Proper assembly
- Dirt or burrs
- Worn clutch plates, backing plate, or wave plate
- Worn case area in the snap ring groove