GMC Workshop Manuals
Savana 3500 V8-4.8L (2009)
Transmission and Drivetrain > Automatic Transmission/Transaxle > Torque Converter > Component Information > Technical Service Bulletins > A/T - Torque Converter Replacement Information > Page 5176
through the cooler.
Converter bearing noise determined by noise from the bell housing area in Drive or Reverse at idle. The noise is gone in Neutral and Park.
If silicon from the viscous clutch is found in the lower pan (4T80-E ONLY).
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