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

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

Courtesy of CHRYSLER GROUP, LLC

1 - U/D CLUTCH

2 - O/D CLUTCH

3 - REVERSE CLUTCH

4 - 4C CLUTCH

5 - 2C CLUTCH

6 - L/R CLUTCH

Fig 2: 2nd & 4th Clutches

Courtesy of CHRYSLER GROUP, LLC

Remove the 2C piston Belleville spring snap-ring (5) from the 2C / 4C retainer/bulkhead (12).
Remove the 2C piston Belleville spring (4) from the retainer/bulkhead (11).
Remove the 2C piston (1) from the retainer/bulkhead (11). Use 20 psi of air pressure to remove the piston if necessary.
Remove the 4C clutch snap-ring (6) from the retainer/bulkhead (11)
Remove the 4C clutch pack (2, 3, 7) from the retainer/bulkhead (11).

Fig 3: Compressing 4C Piston Return Spring
Courtesy of CHRYSLER GROUP, LLC

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

Fig 4: 2/4 Clutches

Courtesy of CHRYSLER GROUP, LLC

1 - SEALS

2 - 2C PISTON

3 - PLATE

4 - DISC

5 - 2C BELLEVILLE SPRING

6 - SNAP-RING

7 - SNAP-RING (SELECT)

8 - REACTION PLATE

9 - SNAP-RING

10 - RETURN SPRING

11 - 4C PISTON

12 - 4C RETAINER/BULKHEAD

Remove the 4C piston return spring (10) and piston (11) from the retainer/bulkhead (12). Use 20 psi of air pressure to remove the piston if necessary.