This occurs on the 2-3,3-2 and 4-2 shifts (Figure 1).
Four prime is used for a smoother highway speed kick-down from sixth gear and to provide a better ratio for climbing grades under certain conditions.
It has 6 forward speeds with a 7th gear used in a specific downshift sequence known as the “four prime (4′).” Four prime ratio is 1.573:1 w hich is a ratio between third gear (2.284:1) and fourth gear (1:452:1), Refer to Figure 1. The new 62TE transaxle by the Chrysler Group is fitted behind a 3.5L V6 engine in the Avenger, Sebring and SebringConvertibles (JS Body) and the4.0L V6 engines in Pacifica(CS Body) vehicles. This transmission is another technical first for Chrysler in that this transmission introduces the double-swap shifts where there is an exchange of two shift elements for two other shift elements. Chrysler 62TE Techtran Transmission Rebuild Manual – ATSG (Automatic Transmission Service Group) PDF.
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