'91 LS400 air ride suspension

  • 1991 LEXUS

My '91 Ls rear suspension seems to air up and deflate at will. It will hold air when filled and parked. When driving or parking at certain angles it will deflate. I also noticed the switch will not work at times to go from norm to high. It usually does not work after it has deflated (only the rear). If I disconnect the negative terminal from the battery for a few minutes it will air up and the switch will work again. Sometimes it will stay and sometimes it won't. I know there isn't a leak because it will stay aired up while parked for a couple of days. Is there some kind of sensor that may be causing this?

Do you
have the same problem?
Tuesday, July 24th, 2007 AT 6:29 PM

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