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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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No Engine Braking - D3
No Engine Braking - D3
WARNING:
This page is about a different variant/trim than selected.
No Engine Braking - D3
Checks
Cause
Mainshaft (662)
The shaft or the splines are broken.
Bushing (234)
Damaged or worn