Ford Mustang (1999-2004) Service Manual: Torque Converter (Disassembly and Assembly of Subassemblies)

1. A new or remanufactured torque converter must be installed if one or more of the following statements is true:

• A torque converter malfunction has been determined based on complete diagnostic procedures.
• Converter stud or studs, impeller hub or bushing are damaged.
• Discoloration (due to overheating).
• The torque converter is found to be out of specification when carrying out one of the following torque converter checks:

• One-Way Clutch Check
• End Play Check
• Stator to Turbine Interference Check
• Stator to Impeller Interference Check
• Torque Converter Leak Check

• Evidence of transmission assembly 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.