Symptoms:

  • Low line rise in Reverse
  • Low line rise
  • No line rise
  • 1-2 Flare
  • 2-3 Flare
  • Delayed Reverse

Cause:

A worn boost valve sleeve allows TV boost and Reverse pressures to cross-leak or leak to exhaust.

Correction:

Sonnax drop-in boost valve kit restores the hydraulic integrity of the circuits with tight tolerances.
  • ATX Boost Valve Kit 86940-05K
  • ATX Boost Valve Kit 86940-05K