Recently we were told (offsite) that our rattle problem was due to a catalytic converter, so we took the car & asked to have the converter replaced, which was done. When picking up the car, the same rattle was there and were told it was the air suspension system. I feel that when the car was started to move to the pick up area, someone should have noticed the same rattle & given an explanation rather than just let us spend $500 & still have the same rattle. Also a few months ago, we had a leak in the coolant reservoir which was replaced, yet the problem persists. The techs are not looking for collatoral causes.
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