Transmission Parts VW/Audi 01J Valve Body Valve / Sleeve

Symptoms:

Delayed engagement
Chatter on acceleration
Adaptive limit codes
Unstable solenoid pressure

Cause:

Bore wear at the VSTV valve allows pressure escape that causes drivability issues.

Correction:

Reconditioning the bore and installing the Sonnax VSTV pilot pressure valve re-establishes proper modulated VSTV pilot pressure.

01J

Oversized VSTV Pilot Pressure Valve
Part No. 33741B-06

Tooling:

F-33741B-TL6
VB-FIX

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In VW/Audi 01J transmissions, the VSTV valve is the regulator to both N88 shift pressure and the N215 line pressure control solenoids. As the bore wears, solenoid output will not react according to the control module requirements, eventually setting adaption limit codes. Sonnax oversized VSTV pilot pressure valve 33741B-06 allows the bore to be refurbished and restores the hydraulic integrity of the circuit for proper modulated VSTV pilot pressure. Hardcoat anodized aluminum valve combats premature wear

Note

For 01T applications, use 33741B-07. See casting comparison illustration to correctly identify unit being worked on.

Valve Body Layout

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.