Torque Converter Service and Replacement
Check1. A new torque converter must be installed if one or more of the following statements are true:
^ A torque converter malfunction has been detected based on completed diagnostic procedures.
^ Converter stud(s), impeller hub or bushing is damaged. (NOTE: Stud threads may be repaired using a "thread chaser").
^ If there is a discoloration of the torque converter (due to overheating).
^ The torque converter is found to be out of specification, when performing the following checks:
^ Torque converter pump insert check
^ Torque converter end play check
^ Torque converter turbine torque check
^ Torque converter leakage check
^ If there is evidence of transmission assembly damage or fluid contamination due to the following transmission or converter failure modes:
^ Major metallic failure
^ Multiple clutches or clutch plate failures
^ Sufficient component wear which results in metallic contamination
Special Tools:
Special Tool(s)
Torque Converter Leak Check
1. Clean the outside surface of the torque converter.
2. Install the special tool (014-R1075) into converter hub.
3. Install torque converter with installed special tool (014-R1075) into press.
4. WARNING: ALWAYS FOLLOW PROPER SAFETY PROCEDURES WHILE USING PRESS. FAILURE TO THESE INSTRUCTIONS WILL RESULT IN PERSONAL INJURY.
Secure press. Apply enough force from press to seal tool into torque converter.
5. NOTE: Use clean dry shop air.
Apply air pressure to valve on special tool (014-R1075).
6. Release pressure and then slowly release press. Remove air hose.
7. Rotate torque converter and special tool then reinstall into press with tool up.
8. WARNING: ALWAYS FOLLOW PROPER SAFETY PROCEDURES WHILE USING PRESS. FAILURE TO FOLLOW THESE INSTRUCTIONS WILL RESULT IN PERSONAL INJURY.
Secure press. Apply enough force from press to seal special tool into torque converter.
9. NOTE: Use clean dry shop air.
Apply air pressure to valve on special tool (014-R1075).
10. With air pressure applied to valve, inspect for leaks at converter hub, seams and studs. A soap bubble solution may be applied around those areas to aid in diagnosis. If leaks are present, install a new converter.
11. Remove air hose. Release pressure and then slowly release press. Remove the converter. Remove the special tool (014-R1075).