Tool Required VB-FIX Required
- Chatter on Forward
- Delayed Forward
- Harsh Forward
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.
Oversized Safety Valve
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.
- Valve is hardcoat anodized and features annular grooves to reduce wear
- Restores proper hydraulic sealing and OE pressure control
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.
Click here to view PDF if instructions do not appear below.
Valve Body Layouts
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