Special Tools
Warning: Refer to Assistant Driving Warning in the Preface section.
To analyze a reported windnoise condition, test drive the vehicle to determine the origin of the noise.
Choose a regular route with smooth and straight streets that run in all 4 directions: North, South, East, and West. The area should have little traffic or little noise in order to eliminate interference with the test.
Note: Often there is one primary leak source and one or more secondary leaks that contribute to the noise condition. Repairing only one of the contributing leak sources may not completely repair the total condition but only reduce the condition.
Drive the vehicle at the speed in which the noise was noticed, or until the noise is heard. Maintain safe and legal speeds.
Many of the waterleak diagnosis tests are also used for the windnoise diagnosis.
Most windnoise is caused either by leaking seals or by misaligned body surfaces. You can diagnose the following types of windnoise with the aid of CH-39570 Chassis Ear or GE-41416 Leak Detector .
When moving at highway speeds, air pressure inside the vehicle becomes greater than the air pressure outside. When a leak occurs, the escaping air causes a hiss or a whistle.
Wind roar occurs when air passes over or through an opening between the 2 body surfaces. To correct the condition, adjust the alignment to the body surfaces.
Wind rush occurs when air presses over the vehicle's body, and is related to the aerodynamics of the vehicle. Wind whistle and wind roar are repairable. Rule out wind whistle and wind roar before concluding that the wind noise is due to wind rush.
Use the following inspections in order to aid in diagnosing wind whistle or wind roar:
Replacing Airbag System Parts after a Crash
WARNING
A crash can damage the airbag systems in the vehicle.
A damaged airbag system may not work properly and may not protect you and your
passenger(s) in a crash, resulting in serious injury or even death. To help make
sure the airbag systems are working properly after a crash, have them in ...
Driver or Passenger Seat Back Cushion Cover and Pad Replacement
Removal Procedure
Warning: Refer to SIR Warning in the Preface section.
Warning: Replace the passenger presence system as a complete assembly to prevent
possible injury to the occupant. The bladder, the
pressure sensor, the seat cushion, and the control module are assembled and
calibrated a ...
Information Displays
Driver Information Center (DIC)
The DIC displays information about your vehicle. It also displays warning messages
if a system problem is detected.
DIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC buttons
on the turn signal lever.
The DIC displ ...