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Symptoms:

  • Burnt clutches
  • Pressure loss
  • Shift concerns
  • TCC apply concerns

Cause:

End plug wear allows valuable actuator/solenoid feed pressure to leak at the various regulator valve bores. When the clutch bypass end plug leaks, Reverse pressure suffers.

Correction:

Recover hydraulic control and renew critical circuit pressures by installing the Sonnax O-ringed end plug kit.

6F35

O-Ringed End Plug Kit
Part No. 144740-03K

You need this if... View Instructions

OE end plugs are designed to prevent critical pressure loss by capping the bore, while also functioning as a spring or valve stop. Repetitive spring motion, valve impact and fluid pressure variations cause wear between the end plug and bore mating surface, allowing vital pressure to escape the circuit.


Ford 6F35 valve bodies have end plugs at the various clutch regulator valve bores which are susceptible to this wear. When actuator/solenoid feed pressure is allowed to leak due to plug deterioration, various shift concerns and burnt clutches will result in the affected circuit. Wear at the TCC regulator and clutch bypass valve end plugs allows valuable oil loss that leads to drivability concerns. Eliminate leaks and restore hydraulic integrity by installing Sonnax O-ringed end plug kit 147740-03K.

  • Minimal end-plug-to-bore clearance with added O-ring for positive seal
  • No reaming or special tools required
  • End Plugs (4) Large
  • End Plug Medium
  • End Plug Small
  • O-Rings (8) Large, 3 extra
  • O-Rings (2) Small, 1 extra

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 6F35 Valve Body Layout

Fd 6f35 vbl thumb

October 31, 2014

Ford 6F35 Vacuum Test Guide

Topics: Vacuum Test Guides Vacuum Testing Transmission Ford 6F35 Transmission

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  • 144740 03k combo
  • 144740 03k

You need this if...

Vacuum tests at the ports indicated fail to hold the recommended minimum 18 in-Hg.
a. Vacuum test five locations (marked with rectangles) while placing thumb over bore opening to seal.
b. Vacuum test the sixth location (marked with oval) at the port indicated.

  • 144740 03k test