I'd be willing to bet the pump kept coming on because it had a leak. Because the system is all automatic, it probably ran & ran until either the pump died or the leak got so bad it can't fill enough to overcome the leak.
The higher price option is to replace the rear struts($368 for the pair) and the possibility of needing a compressor also($160).
Another option would be to do a coil spring conversion and be done with the air suspension. For less than $500, those problems will be a thing of the past.
Good Luck
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Monday, June 2nd, 2008 AT 10:25 PM