Low or excessive forward (V clutch) pressure due to worn SIV safety bore.
The Sonnax oversized safety valve has been redesigned with annular grooves and is made of upgraded materials to help prevent wear and restore proper hydraulic control.
A common issue with Audi 01J and 01T units is chatter during engagement or harsh forward engagement. This can be caused by a worn safety valve bore. The Sonnax oversized safety valve 33741B-01 restores V-clutch engagement.
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.
July 07, 2015
Topics: Identification Guides Transmission VW/Audi 01T Transmission 01J TransmissionRead Now
Contact a Sonnax Parts Distributor.
Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.