Ford 6R140 transmissions may exhibit multiple shift problems due to excess wear in the solenoid modulator circuit. Flare and harsh shifts as well as a delayed Forward and Reverse are common results of the wear. Reconditioning the bore and installing Sonnax oversized solenoid feed pressure regulator valve kit 126740-24K restores hydraulic integrity for a properly modulated solenoid pressure.

Hardcoat anodized aluminum valve combats premature wear
Added annular grooves for better centering in the bore
Reuses the OE spring

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