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2007
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Chevy Express G2500, Van Cargo, 6.6 6
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Repair and Diagnosis
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Transmission
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Hydraulic Diagrams
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Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis
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Diagnostic Information And Procedures
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Inadequate Lubrication at Low Line or Heavy Loads
Inadequate Lubrication at Low Line or Heavy Loads
Inadequate Lubrication at Low Line or Heavy Loads
Checks
Cause
Converter Limit Valve (214)
Valve is stuck closed by sediment or by a collapsed valve bore.
Retainer Pin (211)
Broken