Date registered: Nov 2009
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S430 Airmatic or Loud Banging Noise from front passenger side.
All of a sudden when i parked my car today and shut it off. I heard the airmatic system continuously running. Usually after about a few seconds it stops running but this time around it just kept running and i figured something was wrong so i sat by the car and waited. So after about 7 minutes i suddenly started hearing a loud banging noise coming from the front passenger side. That loud banging came on and off for about another 3 minutes and then stopped. After it stopped i started the car and pressed the air rising button and the vehicle worked fine with no problem. Then i waited for say 5 hours and went back to the car, the car level was at a normal level. The funny thing with all this is that i replaced the airmatic pump, valve, the struts repair thing (both sides as i was told) sometime in January of 2010 and it is now November. This whole repair cost me $2200. I dont know what the problem could be and i hope for the sake of the shop that i don't have the same problems all over again. The car level is fine and is not dropping to the ground like i experienced in January. ANY IDEA WHAT THIS MIGHT BE? The loud banging noise was so loud that you will think you are at a construction site. Thanks for the response.