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Chevy Truck
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1984
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S10/T10 P/U 2WD L4-121 2.0L VIN Y 2-bbl
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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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Oil Out of the Vent
Oil Out of the Vent
1. Chamfer in oil pump body rotor pocket too large.
2. T.V. limit valve stuck.