Input Clutch Assembly; Description; Operation - Dodge Dakota Sport 2001 Service Manual

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INPUT CLUTCH ASSEMBLY

DESCRIPTION

Three hydraulically applied input clutches are used
to drive planetary components. The underdrive, over-
drive, and reverse clutches are considered input
clutches and are contained within the input clutch
assembly (Fig. 66) and (Fig. 67). The input clutch
assembly also contains:
• Input shaft
• Input hub
• Clutch retainer
• Underdrive piston
1 - INPUT CLUTCH HUB
2 - O-RING SEALS
3 - SEAL
4 - SNAP-RING
5 - SNAP-RING
6 - UD BALANCE PISTON
7 - SNAP-RING
8 - UD PISTON
9 - SPRING
10 - DISC

OPERATION

different components of the planetary geartrain.
UNDERDRIVE CLUTCH
first, second, second prime, and third (direct) gears
by pressurized fluid against the underdrive piston.
When the underdrive clutch is applied, the under-
drive hub drives the input sun gear.
Fig. 66 Input Clutch Assembly - Part 1
11 - UD CLUTCH
12 - PLATE
13 - CLUTCH RETAINER
14 - SEAL
15 - OD/REV PISTON
16 - BELLEVILLE SPRING
17 - SNAP-RING
18 - SEAL RINGS
19 - INPUT SHAFT
20 - LUBRICATION CHECK VALVE AND SNAP-RING
AUTOMATIC TRANSMISSION - 45RFE
• Overdrive/reverse piston
• Overdrive hub
• Underdrive hub
The three input clutches are responsible for driving
The underdrive clutch is hydraulically applied in
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