Air Checking Transmission Clutch Operation

WARNING: This page is about a different variant/trim than selected.

Fig 1: NAG1 Clutch Application Ports

Courtesy of CHRYSLER GROUP, LLC

1 - K1 CLUTCH APPLY PORT

2 - B1 CLUTCH APPLY PORT

3 - K2 CLUTCH APPLY PORT

4 - TORQUE CONVERTER CLUTCH APPLY PORT

5 - B3 CLUTCH APPLY PORT

6 - B2 CLUTCH COUNTER-PRESSURE PORT

7 - K3 CLUTCH APPLY PORT

8 - B2 CLUTCH APPLY PORT

The ports (1 - 8), are the clutch apply passages.

Fig 2: NAG1 Air Adapter Plates

Courtesy of CHRYSLER GROUP, LLC

1 - NAG1 AIR CHECK ADAPTER PLATE 10007 - 1

2 - NAG1 AIR CHECK ADAPTER PLATE 10007 - 2

3 - B3 CLUTCH PORT

4 - K3 CLUTCH PORT

5 - B2 CLUTCH PORT

6 - K1 CLUTCH PORT

7 - B1 CLUTCH PORT

8 - K2 CLUTCH PORT

9 - TORQUE CONVERTER CLUTCH LOCK - UP PORT

10 - TORQUE CONVERTER IN PORT

11 - COOLER OUT PORT

12 - TORQUE CONVERTER OUT PORT

When the adapter plates (special tool #10007, Plate, Air Pressure Test) (1&2) are placed over the ports, proper operation of the transmission clutches can be verified. Air-pressure testing can be used to check transmission clutch operation. The test can be conducted with the transmission either in the vehicle (where applicable) or on the work bench, as a final check.

Air-pressure testing requires that the oil pan and valve body be removed from the transmission.

Fig 3: NAG1 Transmission Adapter Plate

Courtesy of CHRYSLER GROUP, LLC

1 - AIR ADAPTER PLATE 10007 - 2

2 - AIR ADAPTER PLATE 10007 - 1

NOTE:

The air supply which is used must be free of moisture and dirt. Use a pressure of 30 psi to test clutch operation.

NOTE:

When checking the K1 clutch, air must pass through numerous passages to reach the clutch it's self, therefore only a slight application will be noted.

Remove the oil pan.
Remove the valve body (electrohydraulic unit). Refer to UNIT, ELECTROHYDRAULIC CONTROL, REMOVAL .
Using the existing valve body (electrohydraulic unit) mounting bolts attach the Air Adapter Plates (special tool #10007, Plate, Air Pressure Test) (1&2). Tighten the bolt to 8 N.m (71 in. lbs.).
Apply 30 psi of air pressure to each port

If the clutch is functioning, a soft thump will be heard as the clutch is applied. The clutch application can also be felt by touching the appropriate element while applying air pressure. As the air pressure is released, the clutch should also release.