Ford Fusion Manuals

Ford Fusion: Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Forward Clutch Assembly. Description and Operation

Forward (1, 2, 3, 4) Clutch Exploded View

Ford Fusion. Forward Clutch Assembly. Description and Operation
Item Description
1 Transmission case
2 Center support
3 Forward (1, 2, 3, 4) clutch piston
4 Forward (1, 2, 3, 4) clutch piston return spring
5 Forward (1, 2, 3, 4) clutch piston snap ring retainer
6 Forward (1, 2, 3, 4) clutch piston snap ring
7 Forward (1, 2, 3, 4) clutch wave spring
8 Forward (1, 2, 3, 4) clutch
9 Forward (1, 2, 3, 4) clutch pressure plate
10 Forward (1, 2, 3, 4) clutch snap ring
11 Front sun gear and shell assembly

Forward (1, 2, 3, 4) Clutch Cutaway View

Ford Fusion. Forward Clutch Assembly. Description and Operation

Forward (1, 2, 3, 4) Clutch Mechanical Operation

The forward clutch is a brake clutch that holds the front sun gear and shell assembly. The forward clutch is applied in 1st, 2nd, 3rd and 4th gears.

Hydraulic pressure from the regulator valve in the valve body pushes the forward clutch piston against the forward clutch pack to apply the clutch. The front sun gear and shell assembly is held stationary to the transmission case as a result of the clutch being applied.

Forward (1, 2, 3, 4) Clutch Hydraulic Circuits (Applied in 1st, 2nd, 3rd and 4th gear)

Ford Fusion. Forward Clutch Assembly. Description and Operation

Line pressure is supplied to the 1234 regulator valve by the manual valve in the DRIVE and LOW position. To apply the forward (1, 2, 3, 4) clutch, SSA supplies varying solenoid pressure to the 1234 regulator and latch valves. As the regulator valve moves, it supplies the forward (1, 2, 3, 4) clutch and 1234 latch valve with regulated line pressure through the C1234 circuit. The 1234 latch valve directs the regulated line pressure to the opposite side of the 1234 regulator valve through the C1234 FDBK circuit for gradual forward (1, 2, 3, 4) clutch engagement. The forward (1, 2, 3, 4) clutch is applied in 1st, 2nd, 3rd and 4th gears and manual LOW position.

Forward (1, 2, 3, 4) Clutch Hydraulic Circuits (Released)

Ford Fusion. Forward Clutch Assembly. Description and Operation

When the forward (1, 2, 3, 4) clutch is released in 5th and 6th gears, solenoid pressure from SSA is removed from the 1234 regulator and latch valves which positions the valves to block line pressure and release the forward (1, 2, 3, 4) clutch. When the forward (1, 2, 3, 4) clutch is released in the PARK, REVERSE or NEUTRAL position, line pressure is not supplied to the forward (1, 2, 3, 4) regulator valve.

In the released position, exhaust backfill supplied to the 1234 regulator and latch valves by the manual valve through the EXH BF circuit is directed to the forward (1, 2, 3, 4) clutch to fill the unused circuits with unpressurized transmission fluid.

For details on valve body hydraulic circuits and solenoid operation.
For additional information, refer to: Transmission Description - System Operation and Component Description (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).

    Transmission Description - System Operation and Component Description. Description and Operation

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    Note: Make sure that you are sitting in the correct position.

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