Torque Converter
Service NoticeTORQUE CONVERTER SERVICE
The torque converter should be replaced under any of the following conditions:
* External leaks in the hub weld area.
* Converter hub is scored or damaged.
* Converter pilot is broken, damaged or fits poorly into crankshaft.
* Steel particles are found after flushing the cooler and cooler lines.
* Pump is damaged or steel particles are found in the converter.
* Vehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses have been made. (Converter clutch material may be glazed.)
* Converter is contaminated with engine coolant containing antifreeze.
* Internal failure of stator roller clutch.
* Heavy clutch debris due to overheating (blue converter).
* Steel particles or clutch lining material found in fluid filter or on magnet when no internal parts in unit are worn or damaged - indicates that lining material came from converter. The torque converter should not be replaced if:
The torque converter should not be replaced if:
* The fluid has an odor, is discolored, and there is no evidence of metal or clutch facing particles.
* The threads in one or more of the converter bolt holes are damaged.
* Transaxle failure did not display evidence of damaged or worn internal parts, steel particles or clutch plate lining material in unit and inside the fluid filter.
* Vehicle has been exposed to high mileage (only). The exception may be where the torque converter clutch dampener plate lining has seen excess wear by vehicles operated in heavy and/or constant traffic, such as taxi, delivery or police use.