sandiegoken Posted February 10, 2007 Share Posted February 10, 2007 My 1999 GS 300 has a hummimng noise that sounds like it is in the dash towards the middle- the noise is gets louder as I accelerate and is less noticable at higher speeds. One mechanic told me it was a heat shield of some type- but i am not sure. Has anyone else experienced this and have a solution????? I recently took the radio out to replace the LED (another typical problem!) and looked around but didn't see anything that looked loose - and not sure why the noise would change with acceleration. Quote Link to comment Share on other sites More sharing options...
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