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2005
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Chevy Express H1500, Van Passenger
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Repair and Diagnosis
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Different variant/trim
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Section 4 (Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Trouble Shooting)
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Troubleshooting
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Torque Converter Clutch (TCC) Slipping
Torque Converter Clutch (TCC) Slipping
WARNING:
This page is about a different variant/trim than selected.
Torque Converter Clutch (TCC) Slipping
Checks
Cause
TCC Valve Release Exhaust Orificed Cup Plug
Blocked
Turbine Shaft Seal
Cut