Symptoms:

  • Delayed engagement
  • Erratic line pressure
  • Harsh shifts
  • Pressure control out-of-range codes
  • Soft shifts & poor line rise

Cause:

Pressure regulator bore wear allows fluid loss that results in poor line pressure control.

Correction:

Renew line pressure performance and restore driveability by reconditioning the bore and installing Sonnax oversized pressure regulator valve kit.

0B5, DL501

Oversized Pressure Regulator Valve Kit
Part No. 225740-02K


You need this if... View Instructions Find a Distributor

Vehicles equipped with VW/Audi 0B5 and DL501 transmissions may exhibit driveability concerns such as delayed engagement, harsh or soft shifting and erratic line pressure, often resulting in burnt clutches. These problems can be caused by pressure regulator bore wear, which allows crucial fluid loss from the circuit. Reconditioning the bore and installing Sonnax oversized pressure regulator valve kit 225740-02K eliminates wear and restores critical tolerances for revived line pressure control and improved shifting in all ranges.

  • Hardcoat anodized aluminum valve combats premature wear
  • Annular grooves help center valve in bore to reduce future side-load wear
  • Valve
  • O-Rings (2) 1 Extra
  • 0B5, DL501 Oversized Pressure Regulator Valve Kit 225740-02K
  • 0B5, DL501 Oversized Pressure Regulator Valve Kit 225740-02K

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.

0B5, DL501 Oversized Pressure Regulator Valve Kit Vacuum Test Locations