Torque Converter Alignment on Transmission Reinstallation. [Inquiry] Why is the shaft on the torque converter that goes into the transmission slotted on both sides of the end of the shaft?
[Response: Chris Herbst] Those slots have to be aligned with the oil pump on the inside (they fit over the extrusions or dogs inside the trans). If you don’t line them up you’ll chew up the torque converter and the drive gear inside the transmission, which basically means getting another transmission. In addition, your oil pump will not engage. In other words, alignment on reinstallation is very important. See also the notes on alignment related to engine rear seal installation. [Jerry Andersch] When the torque converter is properly seated it should sit 1/2″ below the bell housing flange. If it’s flush with it, it’s not seated all the way. With the tranny slightly angled up (bell housing higher than the tail)work the TC back and forth until it seats, sliding down 1/2″ of so below the bell housing flange. When installing the tranny make sure the BH is slightly higher as you move the box into place, so the TC does not slide forward and out of place. Bolting the autobox into place with th
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