What could be causing the "service air suspension" warning to come on. when i turn off my hummer and let it sit for an extended period of time, the air bags will deflate and re inflate when the vehicle is turned on.
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My rear air suspention went down slowly over the coarse of about a week and wont come back up.
the rear air suspensions doing the same on mine, it wont come back up and its real low, but i think it has to do with my lock saying the doors open cuz in the manual it says the air suspension wont pump with an open door..idk, but it was a gradual process i hope its not the shocks-
air bag suspension
you need to replace the rear air bags. this periodically happens around 5-7 years. they get little pin like holes due to corrosion.
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