Symptoms:

  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life

Cause:

MTV boost loss and insufficient line rise.

Correction:

Sonnax drop-in TV boost valve kit prevents oil loss between the outside diameter of the TV sleeve and the pump body.
  • 200-4R, 4L60 TV Boost Valve Kit 77917-02K
  • 200-4R, 4L60 TV Boost Valve Kit 77917-02K