Operation CHARM
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Chevy Truck
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1989
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Suburban 3/4 Ton 4WD V8-350 5.7L
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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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4L60 (700-R4) Automatic Transmission
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No Torque Converter Clutch Release
No Torque Converter Clutch Release
1.
Converter clutch apply valve stuck in the open position.
2.
O-ring or check ball in the end of the
turbine shaft
damaged.
3.
Internal converter damage.