This kit cannot address the loss of valve control at the converter bypass circuit. Wear at the bypass valve contributes to codes 628, 1740 and related converter slip codes. For information on that repair, see part number 73840-BK.
Reamer kit 73840-RTL is no longer in production but may be available from distributor inventory. F-73840-TL is available for use prior to installing 73840-RK.