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GMC
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1991
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Syclone V6-262 4.3L Turbo
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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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3L30 (180/180C) Automatic Transmission
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Torque Converter Leaking Fluid
Torque Converter Leaking Fluid
1. Damaged torque converter.
2. Leaking converter housing seal.
3. Leaking converter housing to case seal.
4. Loose converter attaching bolts.