Lincoln Aviator: Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Description and Operation - F Clutch


Item Description
1   SSF
2 F clutch control valve
3 F clutch latch valve
4 F clutch apply circuit
5 F clutch piston
6 F clutch assembly
7 Ring gear No. 4
8 Planetary carrier No. 1

Ring gear No. 4 is mechanically connected to planetary carrier No. 1 and connected to the F clutch. When the F clutch applies, the ring gear No. 4 may be connected to ring gear No. 2 through the C clutch. Ring gear No. 4 may also connect to planetary carrier No. 3 through the D clutch.

F Clutch Exploded View

Item Description
1 Planetary carrier No. 1
2 CDF clutch cylinder
3 F clutch piston
4 F clutch piston return spring
5 F clutch balance dam
6 F clutch apply ring
7 F clutch friction plates
8 F clutch steel plates
9 F clutch pressure plate
10 Cylinder (clutch and planetary container)
11 Ring gear No. 4

F Clutch Hydraulic Circuits

Item Description
1 Line pressure
2 Pump output
3 F clutch control valve
4   SSF
5 Control pressure to latch valve
6 F clutch latch valve
7 Apply pressure to mechanical F clutch
8 Mechanical F clutch
9 Elevated exhaust pressure
10 Clutch exhaust

F Clutch Hydraulic Operation

Line pressure is supplied to the F clutch control valve and the F clutch latch valve. As SSF turns on, it moves the control valve allowing regulated line pressure to flow to the F clutch latch valve and then to the mechanical F clutch. When the regulated line pressure in the F clutch control circuit reaches approximately 689 kPa (100 psi), the mechanical F clutch is fully applied. The pressure in the F clutch control circuit moves the F clutch latch valve to the left which allows line pressure to hold the mechanical F clutch applied.

F Clutch Hydraulic Passages

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