- Ensure that the check valve moves freely by
shaking the reverse clutch piston (1).
 
- Ensure that air does not escape when blown into the functioning side of
the reverse clutch piston, when blown into the release side.
 
- Check the plates for burns, damage, or distortion.
 
- Check the seal ring and O-ring for breakage or damage.
 
- Check the other components for damage or distortion.