Initial Inspection and Diagnostic Overview
INSPECTION AND VERIFICATIONWind Noise
Most wind noise leaks occurs at the corners of the windows or in the doors. Wind noise is detected by driving the vehicle at highway speeds or at speeds as specified by the customer. The vehicle should be driven in 4 different directions, with all the windows closed, the radio off and the A/C blower motor off.
Squeak and Rattle
Squeak and rattle noises are generally caused by loose parts, contact or relative movement between 2 surfaces, or loose wires and connectors. The source of the noise can be detected by stopping movement of the suspect part by hand or by using dampening or low friction materials.