Question about Measuring Tools & Sensors
SOURCE: Loud buzzing noise
From the sounds of it, it's simply your air ride's compressor. If you're not aware that your vehicle has air ride suspension, read up on the user's manual or look on the web. When you start your vehicle and shift into drive or reverse, your compressor should start (assuming no doors are ajar). The compressor than fills all four airbags in your vehicle to a factory-set height. These airbags provide a softer ride than the conventional shock/strut system seen in less expensive SUV's and trucks but are also more prone to problems and damage down the line. You can isolate the compressor as the sound by going to your truck, removing the left hand side panel and switching your air ride off. Your car's compressor then should not kick in at all. However, you should not operate your vehicle with this switch turned off. You should only use it as a diagnostic reference or anytime your car is towed, hoisted, or jacked up. Hope this helps.
Posted on Jan 22, 2009
I dont know how you figure its the brakes, do they get hot and seas up??? if they do then bleed the system. Maybe and maybe you or some one else might have aded other oil other then brake fluid, or there is moisture in the system.
Posted on Mar 12, 2012
This car has an electronic speedometer so no the cable would not be the problem since it doesn't have one. I would have a shop tech listen to the noise and give you his opinion.
Posted on Oct 09, 2012
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