Automatic Transmission

Torque Converter Leak Check

~1min read
1special tools

Special Tool(s)

Leak Tester, Torque Converter 307-421

1. Clean the outside surface of the torque converter.

2. Install the special tool into the converter hub.

Torque Converter Leak Check

3. WARNING: Always follow correct safety procedures while using press. Failure to follow these instructions may result in personal injury.

Install the torque converter with the installed special tool into the arbor press.

Secure the press, apply enough force to seal the tool into the torque converter.

Torque Converter Leak Check

4. NOTE: Use clean dry shop air.

Apply air pressure to the valve on the special tool.

Torque Converter Leak Check

5. With air pressure applied to the valve, inspect for leaks at the converter hub, seams, drain plug and studs. A soap bubble solution may be applied around these areas to aid in diagnosis. If a leak is found around the drain plug, install a new drain plug and recheck the torque converter. If any other leaks are present, install a new or remanufactured torque converter.

Torque Converter Leak Check

6. Remove the air hose. Release pressure and then slowly release the press. Remove the torque converter. Remove the special tool.

Torque Converter Leak Check

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