Loss of rear air pressure

Question

Started motorhome in storage both air systems came up to normal pressure for a few minutes then the rear started to decrease , red light came on an warning horn started buzzing. Cannot locate an air leak . Any guesses what might cause this,
. All air bags fully inflated. Could it be a stuck dryer valve. .?? Where to start looking??
2006 travel supreme, cummins 400 isl.

jrscooby · Answer

Most times the air dry is ahead of all systems, so that is not likely. Pressure came up, then went away says you used the air, or it leaked. How cold is it?

tyler0215 · Answer

Well you have a leak somewhere. Could be ice in the lines. Did you warm up to operating temp. It may take several times to air up and bleed off to clear the air lines.

mountainair05 · Answer

http://constructionpaletizedsystems.tpub.com/TM-9-2320-364-20-2/css/TM-9-2320-364-20-2_965.htmIf yours then check the top RH corner and print it out.

captron33 · Answer

It was cold but not close to freezing.  Yes it got up to operating temp.

captron33 · Answer

Not sure what mountianair 05 is saying.

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Loss of rear air pressure

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