Mechanics

A/C ROAR

2004 Toyota Highlander

Air Conditioning problem
2004 Toyota Highlander 6 cyl Two Wheel Drive Automatic

My daughter's 02 Highlander has a roaring noise when the a/c is on. The noise is " in synch" with the speed of the vehicle and the shifting of the transmission. The noise is not present when the a/c is off. Air is cool. System is climate control. Mileage = 100,000+. Can you offer a diagnosis? Thanks
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Rreese37
July 6, 2008.




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