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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Diagnostic Information And Procedures >> Vibration

Diagnostic Information And Procedures: Vibration

Vibration

Checks Cause
Torque Converter (1)
  • Out of balance
  • Internal failure
  • Not sealed in crankshaft pilot
Transmission/Engine Misaligned or missing dowels
Case Extension (19) Output shaft support bushing is worn.
Turbine Shaft (502) Worn surface of the stator shaft bushing
Mainshaft (662) Worn bushing
Output Shaft (671) Worn bushing
Bearing (668) Worn