Symptoms:

  • 1-2 Flare
  • Bump shifts
  • Harsh shifts
  • Slipping gears

Cause:

Wear at the 1-2/4-5 overlap control valve sleeve allows modulating oil pressure to exhaust.

Correction:

New modulating sleeve positions the valve for proper clutch feed. Sonnax 1-2, 4-5 overlap control sleeve kit corrects the wear condition and restores control of clutch pressure apply or exhaust.

722.6

1-2, 4-5 Overlap Control Sleeve Kit
Part No. 68942-02

You need this if... View Instructions Find a Distributor

Continuous plunger valve oscillation causes wear at the overlap control valve sleeves, allowing modulated oil pressure to exhaust or oppose the shift and create numerous shift complaints in Mercedes 722.6 units. The highly wear-resistant Sonnax 1-2, 4-5 overlap control sleeve kit 68942-02 restores necessary hydraulic control tolerances.

  • External O-ring provides additional positive sealing in the bore
  • The OE spring and anodized valve can be reused
  • Sleeve
  • O-Ring

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

Mercedes 722.6 Valve Body Layout

Mercedes 722.6 Valve Body Layout
  • 722.6 1-2, 4-5 Overlap Control Sleeve Kit 68942-02
  • 722.6 1-2, 4-5 Overlap Control Sleeve Kit 68942-02

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 1-2, 4-5 Overlap Control Sleeve Kit Vacuum Test Locations