What else should I look for to stop the air leak on the rear air springs system? on 2002 Ford Expedition

I changed the 2 rear air springs and solenoids on an Expedition 4x2. What else should I check or replace to stop the system from leaking air? The air springs inflate, but within minutes, deflate.

by in Kenner, LA on October 12, 2011
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1 answer
ANSWER by , October 17, 2011
Air lines could have a leak or you might have a faulty compressor.