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The squealing brakes is due to the brake pads and the most likely cause is the quality of the pads used. Some pads would emit a squealing noise when new and as time goes by, the squeal would go away. Some would not go away and cleaning the pads might work.
As to the AWD Disable light on, get a scan done to see if any trouble codes are present.
Seems this is quite a common problem and there are many possible causes apart from corroded witring connectors.
Wednesday, September 29th, 2010 AT 1:50 PM