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Buick
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1989
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Regal V6-173 2.8L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Converter Clutch Does Not Release
Converter Clutch Does Not Release
1. No ECM signal to
solenoid
or defective solenoid, if equipped.
2. Sticking converter clutch apply piston.
3. Missing
TCC
orifice screen.