Retainer, Transmission 2ND And 4TH Clutch Piston: Assembly: Assembly

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: 66RFE Clutch Orientation

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1 - U/D CLUTCH

2 - O/D CLUTCH

3 - REVERSE CLUTCH

4 - 4C CLUTCH

5 - 2C CLUTCH

6 - L/R CLUTCH

NOTE:

Clean and inspect all components. Replace any components which show evidence of excessive wear or scoring.

Fig 2: 2nd & 4th Clutches

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1 - 2C PISTON

2 - PLATE

3 - DISC

4 - 2C BELLEVILLE SPRING

5 - SNAP-RING

6 - SNAP-RING (SELECT)

7 - REACTION PLATE

8 - SNAP-RING

9 - RETURN SPRING

10 - 4C PISTON

11 - 4C RETAINER/BULKHEAD

Lubricate all seals with Mopar® ATF +4 prior to installation.

Fig 3: Inserting Installation Aid Into 4C Retainer/Bulkhead
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Insert the installation aid (1) into the 4C retainer/bulkhead (2).

Fig 4: 4C Piston Installation
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Lubricate the inner and outer 4C piston seals (3) with MOPAR® ATF+ 4.
Install the 4C piston (3) into the installation aid (1).

Fig 5: Seating 4C Piston
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Push the 4C piston (3) down evenly until it is seated in the 4C retainer/bulkhead (2).

Fig 6: Removing Installation Aid
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Remove the installation aid (1) from the 4C retainer/bulkhead (2).

Fig 7: Compressing 4C Piston Return Spring
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1 - PRESS

2 - TOOL 8250
Position the 4C piston return spring onto the 4C piston.

Using Spring Compressor (special tool #8250, Compressor, Spring) (2) and a suitable shop press (1), compress the 4C piston return spring and install the snap-ring.

Fig 8: 2nd & 4th Clutches

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1 - 2C PISTON

2 - PLATE

3 - DISC

4 - 2C BELLEVILLE SPRING

5 - SNAP-RING

6 - SNAP-RING (SELECT)

7 - REACTION PLATE

8 - SNAP-RING

9 - RETURN SPRING

10 - 4C PISTON

11 - 4C RETAINER/BULKHEAD

Assemble and install the 4C clutch pack (2, 3) into the retainer/bulkhead (11) with a steel separator plate against the piston.
Install the 4C reaction plate (7) and snap-ring (6) into the retainer/bulkhead (11). The 4C reaction plate is non-directional.
Measure the 4C clutch clearance. The correct clutch clearance is 0.770-1.390 mm (0.030-0.055 in.). The snap-ring (6) is selectable. Install the chosen snap-ring and re-measure to verify the selection.
The 4C selectable snap ring thickness are as follows:

4C SELECTABLE SNAP RING THICKNESS
- One Butterfly End, One Square End = 1.79 mm (0.070 in.).
- Both Ends Buttery Fly Cut = 2.20 mm (0.087 in.).
- One Butterfly End, One Inverted Butterfly End = 2.61 mm (0.103 in.).
Install the 2C piston (1) into the retainer/bulkhead (11).
Position the 2C Belleville spring (5) onto the 2C piston (2).
Position the 2C Belleville spring snap-ring (6) onto the 2C Belleville spring (5).

Fig 9: Compressing 2C Belleville Spring
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1 - PRESS

2 - TOOL 8249
Using Spring Compressor (special tool #8249, Compressor, Spring) (2) and a suitable shop press (1), compress the Belleville spring until the snap-ring is engaged with the snap-ring groove in the retainer/bulkhead.