Chevrolet Equinox Service Manual: Interior Windnoise

Chevrolet Equinox Service Manual / Vehicle - General / Interior Windnoise

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

Warning:Refer toAssistant Driving Warning.Exterior windnoise is louder when the vehicle is driven withone or more windows down. Exterior windnoise occurs when air passesover the body panels, the seams ...

Checking Aftermarket Accessories

Warning:Refer toSIR Warning.Caution:The OBD II symbol is used on the circuit diagrams in order toalert the technician that the circuit is essential for proper OBDII emission control circuit operation. ...

Other materials:

Power Brake Booster Pump Replacement Hydraulic Brakes Brake Booster
Removal ProcedureWith the engine OFF, apply and release the brake pedalseveral times until the brake pedal becomes firm to deplete thepower vacuum brake booster vacuum reserve.Remove the intake manifold cover. Refer toIntake Manifold Cover Replacement.Disconnect the power brake booster vacuum hose q ...