Warning:Refer toAssistant Driving Warning.
Interior windnoise is not heard when the window is lowered.Interior windnoise is caused by the air leaving the inside of thevehicle through a seal or a seam.
Tape over the relief valves to cause added air pressurewithin the vehicle.Test drive the vehicle and listen for windnoise or awhistle.Pull the vehicle over and make the temporary repairs usingmasking tape. If you cannot determine the source of the windnoise,perform one or more of the following diagnostic tests:Air Pressure TestSoap Suds or Bubble TestTracing Powder or Chalk Test
Exterior Windnoise
Checking Aftermarket Accessories#05-06-04-022J: TOP TIER Detergent Gasoline Information and Available Brands (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) –...
Subject:TOP TIER Detergent Gasoline Information and Available Brands (Deposits, Fuel Economy,No Start, Power, Performance, Stall Concerns) – Canada ONLYModels: 2014 and Prior GM Cars and Trucks (Canada Only) This bulletin has been revised to add the 2014 model year. Please discard CorporateBul ...