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car seems to lose air after sitting. when the car is sitting with the front end down hill it never leaks, on level ground anywhere from 1-2 hours to 1-2 days but it is getting worst. compressor seems to work fine pumps up and shuts off but I know this is going to wear it out unless it is fixed, any help would be greatly appreciated. no codes showing up on suspension.
the car is a 2002 trailblazer, at first there was a small spot on the driveway, then after a month or so the car become low on coolant. I topped it off and looked under the rear of the car. I squeezed the drain on the unit lightly and coolant poured out the hose.