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 AccessoriesValve Lifter Replacement - Right Side
Removal ProcedureRemove the applicable camshaft(s). Refer toCamshaft Replacement - Right Side.Remove the rocker arms. Refer toValve Rocker Arm Removal - Right Side.Remove the lifters. Refer toValve Lifter Removal - Right Side.Clean and inspect the camshaft(s) and the rocker arm(s) andlifter. Repair ...