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it is in the transmission
In the tranny.
Inside the transmission. It can be accessed with removal of the transmission pan.
Could be a faulty TCC (Torque Converter Clutch) solenoid. Remove the TCC fuse and see if the problem goes away.
The 1990 Chevrolet Corsica TCC transmission solenoid is located on the top of the transmission. The solenoid will be near the back of the transmission.
Try your tcc solenoid on the transmission
This is a bit over simplified and definitely not for the faint of heart. Remove battery and battery well (watch out for battery temp sensor) Remove electrical connection to TCC Solenoid Raise Vehicle Remove transmission pan (catch fluid in a pan) Remove transmission filter Remove valve body Remove TCC Solenoid Reverse steps using new TCC Solenoid Good Luck
The tcc solenoid is part of the od solenoid assembly.
The TCC solenoid is attached to the Valve Body inside the transmission. You will need to drain your tranmission and remove the pan to access it.
In most cases it should be under an access cover on the end of the trans. Raise the front of the vehicle, remove the front driver's side tire, remove the wheel well access cover and you should see the solenoid cover. Please note: you will need high temp "form a gasket" to re-install the access cover once you've replaced the tcc solenoid.
Not sure what a TCC (Torque Converter Clutch) sensor is. There is however a TCC relay and a TCC solenoid. The TCC relay is found in the relay/fuse center and the TCC solenoid is located inside the transmission.
It can be accessed by removing the transmission oil pan.