Input Clutch Assembly: Disassembly

Fig 1: Input Clutch Hub, Retainer, and OD/Reverse Piston

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1 - SNAP RING (INPUT SHAFT)

2 - SNAP RING

3 - CLUTCH RETAINER

4 - SEAL, OUTER

5 - SEAL, INNER

6 - OD/REVERSE PISTON

7 - SEAL, INPUT SHAFT

8 - SHAFT, INPUT

9 - HUB

10 - SEAL

11 - SNAP RING

12 - BELLEVILLE SPRING

Refer to the exploded view as necessary when performing the following steps. See Fig 1.

Fig 2: Tapping Reaction Plate

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1 - #4 THRUST PLATE (SELECT)

2 - TAP DOWN REVERSE CLUTCH REACTION PLATE TO REMOVE OR INSTALL SNAP RING

3 - INPUT SHAFT CLUTCHES RETAINER ASSEMBLY

4 - REVERSE CLUTCH REACTION PLATE

Mount input clutch assembly to Input Clutch Pressure Fixture 8391.

Tap down reverse clutch reaction plate to release pressure from snap ring (2). See Fig 2.

Fig 3: Reverse Clutch Snap Ring

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1 - REACTION PLATE

2 - SCREWDRIVER

3 - REVERSE CLUTCH SNAP RING (SELECT)

Remove reverse clutch snap ring (3). See Fig 3.

Fig 4: Pry Reverse Clutch Reaction Plate

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1 - REVERSE CLUTCH REACTION PLATE

2 - SCREWDRIVER

3 - SCREWDRIVER

Pry up (2,3) and remove reverse clutch reaction plate (1). See Fig 4.

Fig 5: Reverse Clutch Assembly

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1 - SNAP RING

2 - REACTION PLATE

3 - CLUTCH DISC (2)

4 - CLUTCH PLATE (1)

5 - INPUT CLUTCH ASSEMBLY

Remove reverse clutch pack (1,2,3 and 4). See Fig 5. Tag components for assembly identification.

Fig 6: Overdrive Clutch Assembly

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1 - SNAP RING

2 - OD/REVERSE PRESSURE PLATE

3 - SNAP RING (WAVE)

4 - CLUTCH DISC (3)

5 - CLUTCH STEEL (2)

6 - INPUT CLUTCH ASSEMBLY

Remove the OD/Reverse pressure plate snap ring (1). See Fig 6.
Remove OD/Reverse pressure plate (2).
Remove OD/Reverse pressure plate wave snap ring (3).

Remove OD clutch pack (4,5). Tag components for assembly identification.

Fig 7: Overdrive/Underdrive Shafts

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1 - OVERDRIVE SHAFT

2 - #3 THRUST PLATE (3 TABS)

3 - #3 THRUST WASHER (5 TABS)

4 - UNDERDRIVE SHAFT

5 - #2 NEEDLE BEARING (3 TABS)

6 - INPUT CLUTCH ASSEMBLY

Remove and inspect OD (1) and UD (4) Shafts, as well as #3 thrust washer (3) and plate (2), and #2 needle bearing (5). See Fig 7.

Fig 8: Underdrive Clutch Assembly

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1 - SNAP RING (TAPERED)

2 - OD/UD REACTION PLATE

3 - CLUTCH DISC (3)

4 - SNAP RING (FLAT)

5 - CLUTCH PLATE (3)

6 - INPUT CLUTCH ASSEMBLY

Remove the OD/UD reaction plate (2) tapered snap ring (1), reaction plate, and first friction disc (3). See Fig 8.

Fig 9: UD Spring Retainer Snap Ring

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1 - SNAP RING PLIERS

2 - ARBOR PRESS RAM

3 - SNAP RING

4 -COMPRESSOR 5059A

Remove the UD clutch flat snap ring (3) and rest of UD clutch pack. See Fig 9.Tag clutch pack for assembly identification.
CAUTION: Compress return spring just enough to remove or install snap ring.

Using Compressor 5059A (4) and an arbor press (2), compress UD clutch piston/spring enough to remove snap ring (3).

Fig 10: Underdrive Clutch Piston, Spring and Retainer

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1 - SNAP RING

2 - SPRING RETAINER

3 - SPRING

4 - UD CLUTCH PISTON

5 - SEAL, OUTER

6 - SEAL, INNER

7 - INPUT CLUTCH ASSEMBLY

Remove spring retainer (2), spring (3), and piston (4). See Fig 10.

Fig 11: Input Hub Tapered Snap Ring

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1 - INPUT SHAFT

2 - INPUT HUB SNAP RING (TAPERED SIDE UP WITH TABS IN CAVITY)

3 - SNAP RING PLIERS

Remove input hub tapered snap ring (2). See Fig 11.

Fig 12: Tap on Input Hub
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1 - INPUT SHAFT AND HUB ASSEMBLY

2 - PLASTIC HAMMER
Tap on input hub (1) with soft faced hammer (2) and separate input hub from OD/Reverse piston and clutch retainer. See Fig 12.

Fig 13: Pull Retainer from Piston
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1 - OVERDRIVE/REVERSE PISTON

2 - INPUT CLUTCHES RETAINER

Separate clutch retainer (2) from OD/Reverse piston (1). See Fig 13.

Fig 14: Install Snap Ring

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1 - ARBOR PRESS RAM (COMPRESS RETURN SPRING JUST ENOUGH TO REMOVE OR INSTALL SNAP RING)

2 - SCREWDRIVER

3 - SNAP RING

4 - DISC 6057

5 - OD/REVERSE PISTON

6 - RETURN SPRING

Using Disc 6057 (4) and an arbor press, compress return OD/Reverse piston return spring just enough to remove snap ring (3). See Fig 14.

Fig 15: Remove Input Shaft Snap Ring

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1 - INPUT SHAFT

2 - SHARP-POINTED TOOL

3 - SNAP RING

4 - O-RINGS

5 - SEALS

Remove input shaft to input clutch hub snap ring (3). See Fig 15.

Fig 16: Remove Input Shaft

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1 - ARBOR PRESS RAM

2 - SOCKET

3 - SEAL

4 - O-RINGS

5 - INPUT SHAFT

6 - SEAL

7 - INPUT SHAFT HUB ASSEMBLY

Using a suitably sized socket (2) and an arbor press (1), remove input shaft from input shaft hub (7). See Fig 16.