Symptoms:

  • Engine stall on stop
  • Engine stall on N-D engagement
  • Overheated converter

Cause:

Wear between the TCC boost valve and sleeve will prevent proper stroking of the converter clutch apply valve to the release position.

Correction:

Sonnax drop-in TCC boost valve kit restores hydraulic integrity to the circuit with tightly controlled tolerances.

01M, 01N, 01P

TCC Boost Valve Kit
Part No. 119940-01K

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In VW/Audi 01M, 01N and 01P transmissions, the TCC boost valve wears the inside diameter of the sleeve due to constant valve oscillation. When wear is significant, oil leaks past the valve preventing it from properly stroking the converter clutch apply valve into the release position, leading to engine stalls and converter overheat. Sonnax TCC boost valve kit 119940-01K restores hydraulic integrity to the circuit with tight tolerances and proper material.

  • Hardcoat anodized aluminum valve combats premature wear
  • Sleeve made from from highly wear-resistant aluminum
  • TCC spring included in kit replaces broken OE part
  • Drop-in Zip Valve™ parts install quickly and easily
Learn More About Zip Valve™ Drop-In Repairs
  • Valve
  • Sleeve
  • Spring

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.

VW/Audi 096, 097, 098, 01M, 01N, 01P Valve Body Layout

VW/Audi 096, 097, 098, 01M, 01N, 01P Valve Body Layout
  • 01M, 01N, 01P TCC Boost Valve Kit 119940-01K
  • 01M, 01N, 01P TCC Boost Valve Kit 119940-01K