Symptoms:

  • Slips & flares
  • Delayed engagement
  • Shift quality is not load sensitive
  • Harsh shifts
  • Slide shifts
  • Slip codes
  • Burnt clutches

Cause:

Wear in clutch latch valve bores causes feedback pressure instability, preventing normal shift operation.

Correction:

Recover hydraulic control and renew shift performance by reconditioning the bore and installing Sonnax oversized clutch latch valve.
  • 6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3) Oversized Clutch Latch Valve 144740-21
  • 6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3) Oversized Clutch Latch Valve 144740-21

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.

6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3) Oversized Clutch Latch Valve Vacuum Test Locations
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3) Oversized Clutch Latch Valve Vacuum Test Locations