LSS V6-3.8L VIN K (1997)
Torque Converter Clutch: Component Tests and General Diagnostics
Do Not Replace the Torque Converter - 4T60-E Transaxle
Do not replace the torque converter if you discover any of the following symptoms:
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The oil has an odor or the oil is discolored, even though metal or clutch facing particles are not present.
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The threads in one or more of the converter bolt holds are damaged. Correct the condition with a thread insert.
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Transmission failure did not display evidence of damaged or worn internal parts, steel particles or clutch plate lining material in the unit and inside
the fluid filter.
The vehicle has been exposed to high mileage only. An exception may exist where the lining of the torque converter clutch dampener plate has
seen excess wear by vehicles operated in heavy and/or constant traffic, such as taxi, delivery, or police use.
Replace the Torque Converter - 4T60-E Transaxle
Replace the torque converter under any of the following conditions:
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External leaks appear in the hub weld area
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The converter hub is scored or damaged
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The converter pilot is broken, damaged, or fits poorly into the crankshaft
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You discover steel particles after flushing the cooler and the cooler lines
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The pump is damaged, or you discover steel particles in the converter
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The vehicle has Torque Converter Clutch (TCC) shudder and/or no TCC apply. Replace the torque converter only after ail hydraulic and electrical
diagnoses have been made. The converter clutch material may be glazed.
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The converter has an imbalance which cannot be corrected. Refer to the Flexplate/Torque Converter Vibration Test Procedure.
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The converter is contaminated with engine coolant which contains antifreeze
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An internal failure occurs in the stator roller clutch
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You notice excessive end play
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Overheating produces heavy debris in the clutch
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You discover steel particles or clutch lining material in the fluid filter or on the magnet, when no internal parts in the unit are worn or damaged.
This condition indicates that lining material came from the converter.
Torque Converter Stator - 4T60-E Transaxle
The torque converter stator roller clutch can have two different malfunctions.
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The stator assembly freewheels in both directions.
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The stator assembly remains locked up at all times.