Torque Converter: Overview

A new or remanufactured torque converter must be installed if one or more of the following statements are true:
1. A torque converter malfunction has been detected based on completed diagnostic procedures.
  NOTE:
  - Stud threads can be repaired using a "thread chase".
2. Converter stud(s), impeller hub or bushing is damaged.
3. If there is a discoloration of the torque converter (due to overheating).
4. The torque converter is found to be out of specification, when carrying out the following checks:
  - Torque converter pump insert check.
  - Torque converter end play check.
  - Torque converter turbine torque check.
  - Torque converter leakage check.
5. If there is evidence of transaxle assembly damage or fluid contamination due to the following transaxle or converter failure modes:
  - Major metallic failure.
  - Multiple clutches or clutch plate failures.
  - Component wear which results in metallic contamination.