Introducing the 6-Speed 6F35 Transmission

looks very easy. The pump assembly is a basic gear pump in an aluminum housing. The housing also includes the pressure regulator valve, converter control valve, and a couple of relief checkballs (figure 3). The 6F35 includes a sprag for first

gear operation in drive range (figure 4). The sprag is a ratchet or diode type and looks like it can only go in one way. The clutch names follow gear

apply, so the low and reverse clutch is applied in L (Manual 1) or R. The 2-6 clutch only holds in 2nd and 6th gears. The forward clutch holds in 1st through 4th and is called the 1-2-3-4 clutch. Valve body issues can be a hassle.

Let’s take a good look at some of the conditions that might affect it. The valve body assembly includes seven

Figure 2

Figure 3

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