You can do it the correct way and take off the head, gently tap saw sa the valve down, release the tension spring annd keeper (through the access port of course) making sure to stuff some into the oil journal draining g no i to d use a small spring compressor and squeeze the spring to it’s max comp, tear a piece of emory cloth into 1/4” or so. Not too wide. Stuff a pssaper towel, oiled is best, and block off the other port and journal and wrap that emory cloth around the exhaust valve where the galding occurred. Saw the cloth around the valve back and forth, twisting the valve 1/4 turn every 3 or 4 strokes. Just enough to take the purple/brown haze down a little. I use WD-40 after each pass to keep it as clean as i can and and lAfter you use the emorydThat’ll get your valve out. Reverse process, sither using engine assy lube (what i use) or jusr coat the well.... you know. Lol. Check to make sure your oiler journal from the crank case -to-valve oil junction is freed and clear to receive clean fresh oil.
Diagnostic immobilier youssou
Trouble Code: P0742
This should be looked at by a trusted transmission shop in your area to address this problem. This sometimes does require the replacement of the torque converter itself.
Torque Converter Clutch Circuit Stuck On (4T65-E)
Possible Causes:
TCC PWM solenoid valve for the fluid exhaust is restricted
TCC regulated apply valve is stuck in the TCC apply position
TCC control valve is stuck in the TCC apply position
TCC feed limit valve is stuck (i.e., the TCC feed limit pressure, and the TCC release pressure to be low or nonexistent)
Pressure regulator valve is stuck
TCC fluid circuits leaking or abnormally low/high line pressure
TCC release switch circuit is shorted to ground
TSB 00-07-30-007A contains a repair procedure for this code
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