1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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Do you remember any error codes for the torque converter lock-up clutch? The solenoid screen can plug from clutch debris if the clutches were coming apart. The solenoid itself can be tested by applying 12 volts briefly and seeing if the flow through the solenoid valve changes from off to on. Electrically they were fairly reliable.
The torque converter itself should probably be replaced with a reman unit as they can't really be drained and cleaned. If there is high mileage, the TCC is probably worn. Almost all TCC error codes were because of a worn TCC and front pump hub.
Make sure that the ATF cooler in the radiator isn't restricted with clutch debris. Sometimes they can't be flushed and the radiator may need replacement. Be sure to use ATF+4 when refilling
The torque converter itself should probably be replaced with a reman unit as they can't really be drained and cleaned. If there is high mileage, the TCC is probably worn. Almost all TCC error codes were because of a worn TCC and front pump hub.
Make sure that the ATF cooler in the radiator isn't restricted with clutch debris. Sometimes they can't be flushed and the radiator may need replacement. Be sure to use ATF+4 when refilling
