The edge of the bore should be chamfered to ease installation and avoid tearing the O-ring.
Excess wear at the accumulator bore or on the critical diameter of the accumulator valve is common in Chrysler 45/545/65/66/68RFE transmissions. Wear at this bore allows oil to exhaust, resulting in converter and lockup concerns. Installing Sonnax drop-in TCC accumulator valve kit 44912-18K eliminates leaks to restore normal operation.
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.
Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.