Tools Required

J 39570 Chassis Ear

Some wind noise is normal. Before road testing the vehicle for wind noise, determine if the wind noise is more objectionable with the windows up or down, then proceed with one or both of the following road tests.

1. Road test the vehicle with one or more windows down.

1.1.	Road test in an area with little traffic and noise.

1.2.	Road test in all four directions: north, south, east, and west.

1.3.	Drive at safe and legal speeds.

1.4.	Road test at the speed where the customer heard the wind noise.

1.5.	Tape over body seams and openings one at a time with a piece of 50-mm (2-in) wide masking tape until the noise goes away.

1.6.	Retest for secondary wind noise locations.

1.7.	Return to the repair facility and make permanent repairs using proper alignment techniques and sealing materials.

2. Road test the vehicle with the windows up.

2.1.	Tape over the body pressure relief valve with masking tape.

Access the pressure relief valve from inside the vehicle by repositioning the rear compartment trim panel.

2.2.	Road test in an area with little traffic and noise.

2.3.	Road test in all four directions: north, south, east, and west.

2.4.	Drive at safe and legal speeds.

2.5.	Road test at the speed where the customer heard the wind noise.

2.6.	With an assistant driving the vehicle use a mechanics stethoscope,J 39570 , or equivalent, or a length of heater hose in order to locate the source of the wind noise.

2.7.	Temporarily cover the air leak source with a piece of 50-mm (2-in) wide masking tape.

2.8.	Test for additional leaks.

2.9.	Return to the repair facility and make permanent repairs using proper alignment procedures and sealing materials.

2.10.

Remove the tape covering the body pressure relief valve.