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GMC Truck
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1993
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S15/T15 2WD P/U V6-262 4.3L VIN Z
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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-E Automatic Transmission
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Oil Out of the Vent
Oil Out of the Vent
1. Chamfer in oil pump body rotor pocket too large.
2. TV limit valve stuck.