Tool Required VB-FIX Required

Printpartsummary
Symptoms:
  • B Clutch breakage
  • Delayed Reverse
  • Erratic line pressure
  • No Reverse
  • Poor shift quality
Cause:

Excessive valve and bore clearance due to wear.

Correction:

The Sonnax oversized valve corrects valve-to-bore clearances and also prevents future wear in this area.

Tool Required VB-FIX Required

ZF5HP19

Oversized Pressure Regulator Valve

Part No.

85755-01

Oversized Pressure Regulator Valve
  • 85755-01_combo

  • Oversized Pressure Regulator Valve

Small_85755-01_combo Small_85755-01

ZF5HP19

Oversized Pressure Regulator Valve

Part No. 85755-01

Early style, E17 vlave body

Complaint:

  • B Clutch breakage
  • Delayed Reverse
  • Erratic line pressure
  • No Reverse
  • Poor shift quality

Cause:

Excessive valve and bore clearance due to wear.


Correction:

The Sonnax oversized valve corrects valve-to-bore clearances and also prevents future wear in this area.

  • Oversized valves have annular oil grooves to support the valve and reduce wear rate.
  • Salvages valve body castings.
  • Tooling cost recovered in a few jobs
NOTE:

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.

Required Tools

Related Parts

You need this if...

Inspection indicates visible bore wear or a vacuum test performed at locations indicated below yields less than 19" of vacuum.

  • Test Locations

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Contact a Sonnax Distributor to purchase this part.