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Chevrolet
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1992
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K 2500 Truck 4WD V8-305 5.0L
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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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4L80-E Automatic Transmission
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Insufficient Lube
Insufficient Lube
1. Pressure regulator valve stuck in high demand position.
2. Cross dressing leakage in pump body.
3. Pan gasket leaking.
4. Leaking oil transfer hole cup plug.