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cold-start valve close

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    How To: Eliminate Cold-Start Valve in 5R55W/S Valve-Body for Full Trans-Cooler Flow

    According to Pat Barrett of Level 10 Performance Transmission Hamburg, New Jersey in Muscle Mustang & Fast Fords article. Cold-start valve failure is one of the most popular failing points of the 5R55W/S, there is a special circuit in the valvebody that restricts fluid flow to and from the trans...
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