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in the 04 4.8is - i think i always had it- upon start the airpump somewhere in the trunk turns on and runs for a minute or two... however, it is noisy- it can be very clearly heard... dont remember the 4.6is being so noisy...

is it just this particular airpump or all are noisy? please share...

alex
few cars
 

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AJ, I have not noticed mine making any noises first thing, although the loud exhaust seems to hide any start up sounds. In fact when playing with the air suspension settings, I can't remember ever hearing anything at all.
 
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