Symptoms:

  • Harsh shifts
  • Shift codes
  • Shift concerns

Cause:

Wear at the valve/sleeve bore allows critical control pressures to cross-leak between valve body circuits or escape to the sump. Accumulator control pressure may be high or low depending on wear location.

Correction:

The Sonnax accumulator control plunger valve and sleeve kit ends cross-leaks caused by wear and contains hydraulic pressure in the intended circuits. Pressure loss to the sump caused by worn components is eliminated.

A750E, A750F, A760E, A760F, A760H, A761E, A960E, A960F, AB60E, AB60F

Accumulator Control Plunger Valve Kit
Part No. 147741-43K

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

When shift codes and shift complaints such as harsh shifts are found in listed Toyota/Lexus units, the accumulator control valve is frequently the culprit. If the wear is restricted to the accumulator control plunger valve and sleeve, installing Sonnax accumulator control plunger valve kit 147741-43K will eliminate cross-leaks and uncontrolled pressure loss.

  • Restores OE accumulator control valve function
  • Valve is hard-coat anodized to reduce wear
  • Sleeve is manufactured of highly wear-resistant aluminum alloy
  • Valve
  • Sleeve
  • Shims (4) Selective

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.

Toyota/Lexus A750E/F Valve Body Layout

Toyota/Lexus A750E/F Valve Body Layout
  • A750E, A750F, A760E, A760F, A760H, A761E, A960E, A960F, AB60E, AB60F Accumulator Control Plunger Valve Kit 147741-43K
  • A750E, A750F, A760E, A760F, A760H, A761E, A960E, A960F, AB60E, AB60F Accumulator Control Plunger Valve Kit 147741-43K

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.

A750E, A750F, A760E, A760F, A760H, A761E, A960E, A960F, AB60E, AB60F Accumulator Control Plunger Valve Kit Vacuum Test Locations