Symptoms:

  • 3-4 Flare
  • Bump shifts
  • Harsh shifts
  • Slipping gears

Cause:

Wear at the 3-4 overlap control valve sleeve allows modulating oil pressure to exhaust.

Correction:

New modulating sleeve positions the valve for proper clutch feed. Sonnax drop-in 3-4 overlap control sleeve kit corrects the wear condition and restores control of clutch pressure apply or exhaust.
  • 722.6 3-4 Overlap Control Sleeve Kit 68942-04
  • 722.6 3-4 Overlap Control Sleeve Kit 68942-04

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.

722.6 3-4 Overlap Control Sleeve Kit Vacuum Test Locations