Product Description
Fits: ZF5HP19
Fits late-style (E18.2) valve body.
- Tooling:
- F-85755-TL2
- VB-FIX
Transmissions with a ZF5HP19 can experience erratic line pressure, poor shift quality, Reverse complaints and B clutch breakage due to excess wear in the main pressure regulator valve bore. After reconditioning the bore, installing Sonnax oversized pressure regulator valve 85755-02 will restore hydraulic integrity for proper line pressure control in all ranges.
- Oversized valves have annular oil grooves to support the valve and reduce wear rate
- Salvages valve body castings
Notes
There are two types of ZF5HP19 valve bodies. Version 1, the E17, has a valve with four spools on it, and the speed sensor is mounted on the valve body. Version 1 is used in Audi & VW units only. Version 2, the E18.2, has a valve with five spools on it, and the speed sensor is mounted on the transmission case. Version 2 is used in Audi, VW & BMW units.
Symptoms
- B Clutch breakage
- Erratic line pressure
- Poor shift quality
- Delayed Reverse
- No Reverse
Cause
Excessive valve and bore clearance due to wear.
Correction
Sonnax oversized valves and tool kits restore the correct valve/bore clearances and restore circuit integrity as well as preventing future wear in this area.
