Fusion FWD L4-2.5L Hybrid (2010)
Torque Converter: Testing and Inspection
Aisin AW21
Torque Converter Contamination Inspection
Torque Converter Contamination Inspection
1. A new or remanufactured torque converter must be installed if one or more of the following statements is true:
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A torque converter malfunction has been determined based on complete diagnostic procedures.
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The torque converter stud or studs, impeller hub or bushing are damaged.
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The torque converter exhibits external discoloration (due to overheating).
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There is evidence of transmission assembly or fluid contamination due to the following transmission or converter failure modes.
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Major metallic failure
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Multiple clutch plates or band failures
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Sufficient component wear which results in metallic contamination
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Water or antifreeze contamination
2. If none of the above conditions are present, continue with the following fluid inspection.
3. Pour a small amount of transmission fluid from the torque converter onto an absorbent white tissue or through a paper filter.
4. Examine the fluid for contaminants, color and smell. The fluid must be free of contaminants, red in color and not have a burnt smell.
5. NOTICE: Do not use water-based cleaners or mineral spirits to clean or flush the torque converter or transmission damage will occur.
If the fluid passed inspection:
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drain the remaining fluid from the torque converter.
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using only the recommended transmission fluid, add 1.9L (2 qt) of clean fluid into the converter and agitate by hand.
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thoroughly drain the fluid.
Torque Converter Diagnosis
Torque Converter Diagnosis
Prior to torque converter installation, all diagnostic procedures must be followed. This is to prevent the unnecessary installation of new or
remanufactured torque converters. Only after a complete diagnostic evaluation can the decision be made to install a new or remanufactured torque
converter.
Begin with the normal diagnostic procedures as follows:
