Ford 6R140 transmissions often display TCC-related concerns due to deterioration of the TCC apply boost valve and/or sleeve. 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 revive cooler/lube flow by installing Sonnax TCC apply boost valve kit 126740-03K.

No special tools or reaming required
Hardcoat anodized aluminum valve combats premature wear
Sleeve manufactured from highly wear-resistant aluminum
Drop-in Zip Valve™ parts install quickly and easily

Learn More About Zip Valve™ Drop-In Repairs

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