Overrun Clutch Piston Travel Check for Chevrolet Chevrolet W-Series Commercial W4 (W3500/W4500) 2006

Using a feeler gage, measure the piston travel between the overrun clutch backing plate (510) and the overrun clutch backing plate retainer ring (511).

Piston Travel Specification
Piston travel should be 0.838-2.38 mm (0.033-0.094 in).