Symptoms:

  • Delayed Forward
  • Chatter on Forward
  • Harsh Forward

Cause:

Low or excessive forward (V clutch) pressure due to worn SIV safety bore.

Correction:

Sonnax oversized safety valve has been redesigned with annular grooves and is made of upgraded materials to help prevent wear and restore proper hydraulic control.
  • 01J, 01T Oversized Safety Valve 33741B-01
  • 01J, 01T Oversized Safety Valve 33741B-01

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

01J, 01T Oversized Safety Valve Vacuum Test Locations
01J, 01T Oversized Safety Valve Vacuum Test Locations