Transmission Parts Ford 6R140 Valve Body Valve / Sleeve

Symptoms:

TCC codes
TCC slip
No lockup
TCC cycling
Overheated fluid
Low cooler & lube pressure
Loss of fuel economy

Cause:

Excess wear in TCC apply regulator bore and/or boost assembly allows critical pressure loss, resulting in TCC apply and release concerns.

Correction:

Recover hydraulic control and renew TCC performance by installing Sonnax oversized TCC apply regulator and boost valve kit.

6R140

Oversized TCC Apply Regulator & Boost Valve Kit
Part No. 126740-15K

Tooling:

F-126740-TL15
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Ford 6R140 transmissions often display TCC-related concerns due to deterioration in the TCC apply regulator bore and boost assembly. As wear progresses, pressure loss causes various symptoms to arise such as TCC slip, no lockup, insufficient cooler or lube pressure, overheated fluid, suffering fuel economy and/or TCC codes. Restore normal TCC operation and restore cooler/lube flow by reconditioning the bore and installing Sonnax oversized TCC apply regulator and boost valve kit 126740-15K.

Hardcoat anodized aluminum valves combat premature wear
Sleeve manufactured from highly wear-resistant aluminum
Annular grooves help center valve in bore to reduce future side-load wear

Contents

TCC Apply Regulator Valve
Spring
Boost Valve
Boost Sleeve

Valve Body Layout

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.