AWF21 Archives - Transmission Digest
Ford Code P2544

This article is a complement to this month’s Shift Pointers article titled “Which Came First, the Chicken or the Egg?” If you have yet to read it, after you’re finished reading here you may want to flip over to page 60 and give it a read.

A Balancing Act

If you just read the “Technically Speaking” article in this edition of Transmission Digest you might recall that we spoke a little about how balance pistons are being used in rotational clutch drums, and their purposes. This article covers one of the problems we have seen with the C1/K1 clutch (Figure 1) as it relates to the AWF21 (Aisin TF-81SC, used in the Ford 500) and the TF60-SN (09G/K/M, used in Mini Cooper, Audi/VW) transmissions.