Symptoms:

  • Excess TCC slip
  • TCC codes
  • TCC apply & release concerns
  • Lube failures
  • Low converter & lube flow
  • Reduced clutch life

Cause:

Bore wear at the converter limit valve allows critical pressure loss and/or valve hang-up.

Correction:

Recover hydraulic control and renew TCC performance by reconditioning the bore and installing Sonnax oversized converter limit valve kit.

Warning:

Will not work on '17-later valve bodies with a blocker valve/plug in the outboard thermal cooler bypass location.

6R140

Oversized Converter Limit Valve Kit
Part No. 126740-19K

Fits '11-'16 units only.


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

Various TCC concerns and lube failures are common problems with Ford 6R140 transmissions. These issues can often be traced to excess wear in the converter limit valve bore, which allows escape of crucial circuit control pressures. Reconditioning the bore and installing Sonnax oversized converter limit valve kit 126740-19K eliminates this wear and revives normal TCC and lube operation.

  • Lengthened critical spool for added stability and wear prevention
  • Hardcoat anodized aluminum valve combats premature wear
  • Valve
  • Spring
  • 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.

Ford 6R140 Valve Body Layout

Ford 6R140 Valve Body Layout
  • 6R140 Oversized Converter Limit Valve Kit 126740-19K
  • 6R140 Oversized Converter Limit Valve Kit 126740-19K

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.

6R140 Oversized Converter Limit Valve Kit Vacuum Test Locations
6R140 Oversized Converter Limit Valve Kit Vacuum Test Locations