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 TestFluid Passages (Gen 2/Hybrid) Automatic Transmission Unit
Figure 1: Torque Converter and Differential Housing - Case SideFigure 2: Fluid Pump Body - Fluid Pump Cover SideFigure 3: Fluid Pump Cover - Fluid Pump Body SideFigure 4: Case - Torque Converter and Differential Housing SideFigure 5: Case - Control Valve Body SideFigure 6: Control Valve Body Spacer ...