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Symptoms:

  • Excess TCC slip
  • Cycling RPM
  • Overheated converter
  • TCC codes
  • Low TCC release pressure
  • Flare shifts
  • Harsh shifts
  • Rough idle in Reverse

Cause:

The bypass clutch control valve controls torque clutch apply and release pressure. As the bore wears, the apply rate of the clutch slows and the clutch release pressure will not vent.

Correction:

Ream the bore to restore tolerance and install the upgraded Sonnax oversized bypass clutch control valve kit.

6R60, 6R75, 6R80, ZF6HP19, ZF6HP26, ZF6HP32

Oversized Bypass Clutch Control Valve Kit
Part No. 95740-13K

OE valve name: WD-V


You need this if... View Instructions

Common problems in vehicles equipped with ZF6HP19/26/32 (Gen. 1) and Ford 6R60, 6R80 transmissions include torque converter clutch slip, firm shifts and an overheating torque converter. One cause of these problems is a worn bypass clutch control valve resulting in slow applyand release of the torque converter clutch. Installing the Sonnax oversized bypass clutch control valve kit 95740-13K restores factory torque converter clutch apply and release rates. This will resolve the converter slip, harsh shift and overheating problems.

  • Hard-coat anodized aluminum valve resists wear
  • Valve is tighter fit to the bore than OE for better sealing
  • Valve has annular grooves for better centering in the bore

Kit is NOT compatible with ZF6HP21/24/34 (Gen.2) units. To differentiate between Gen. 1 and Gen. 2 valve bodies, see ZF Identification Guide.

  • Valve
  • Spring
  • O-Ring
  • End Plug

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.

ZF6HP19/26/32 (Gen. 1) With 053 Separator Plate Valve Body Layout

Zf6hp 053 vbl thumb

ZF6HP19, ZF6HP26, ZF6HP32 (Generation 1) Valve Body Layout

Zf6hp19 vbl thumb

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ZF6HP19/26/32 (Gen. 1)/Ford 6R60, 6R80 Vacuum Test Guide

Topics: Vacuum Test Guides Vacuum Testing Transmission Ford ZF ZF6HP19 Transmission ZF6HP26 Transmission ZF6HP32 Transmission 6R80 Transmission 6R60 Transmission

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ZF6HP19/26/32 (Gen. 1) with 053 Separator Plate Vacuum Test Guide

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  • 95740 13k

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.

  • 95740 13k test