Torque Converter Leak Check

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Special Tool

Courtesy of FORD MOTOR CO.

Clean the outside surface of the torque converter.
Install the Torque Converter Leak Tester (307-421) into the converter hub.

Fig 2: Install Torque Converter Leak Tester
Courtesy of FORD MOTOR CO.

WARNING: Always follow correct safety procedures while using the press.

Fig 3: Applying Pressure To Seal Leak Tester

Courtesy of FORD MOTOR CO.

Install the torque converter with the torque converter leak tester into the Arbor press.
- Secure the press. Apply enough force from the press to seal the leak tester into the torque converter.

NOTE: Use clean, dry shop air.

Fig 4: Applying Air Pressure To Leak Tester Valve

Courtesy of FORD MOTOR CO.

Apply air pressure to the valve on the leak tester.
With air pressure applied to the special tool, inspect for leaks at the converter hub, the seams and the studs. A soap bubble solution can be applied around those areas to aid in the diagnosis. If any leaks are present, install a new or remanufactured torque converter.

Fig 5: Checking Torque Converter For Leaks
Courtesy of FORD MOTOR CO.
Remove the air hose. Release the pressure, and then slowly release the press. Remove the converter. Remove the special tool.

Fig 6: Identifying Pressure Release Valve
Courtesy of FORD MOTOR CO.