External Windnoise Road Test

External Windnoise Road Test

Tools Required

J 41416 Ultrasonic Leak Detector

Caution: Refer to Assistant Driving Caution in Cautions and Notices.

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. Road test in an area where there is little traffic and noise.
2. Road test in all 4 directions: North, South, East, and West.
3. Do not exceed safe and legal speeds.
4. Road test at the speed the wind noise was heard.
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.
6. Retest for secondary wind noise locations.
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.

1. Tape over the body pressure relief valve with masking tape.
The pressure relief valve is accessed from inside the vehicle by repositioning the rear compartment trim panel.
2. Road test in an area where there is little traffic and noise.
3. Road test in all 4 directions: North, South, East, and West.
4. Do not exceed safe and legal speeds.
5. Road test at the speed the wind noise was heard.
6. With an assistant driving the vehicle use a mechanics stethoscope, refer to J 41416 , or equivalent, or a length of heater hose to locate the source of the wind noise.
7. Temporarily cover the air leak source with a piece of 50 mm (2 in) wide masking tape.
8. Test for additional leaks.
9. Return to the repair facility and make permanent repairs using proper alignment procedures and sealing materials.
10. Remove the tape covering the body pressure relief valve.