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Topic: New air bags leaking? (Read 936 times) previous topic - next topic

New air bags leaking?

Ok. Had air bags and ride height valves (3) replaced last week. All seemed fine until I went out today and the front passenger side of the coach was down almost on the tire. I started the engine and it returned to ride height. Turned it off and can't hear any hissing. The driver side is appx. 2 inches low. Do you think it's leaking at the valve or airbag. Rear is fine. They were set at 8.5 ride height as FT recommends and held for a few days.
Thanks

Re: New air bags leaking?

Reply #1 –
Dan, I had that issue on my right rear.  It turned out to be a leak where the line hooked up to the ride height valve.  It was a slow enough leak that you couldn't hear it.  Make up a spray bottle of some soapy water.  Spray all the connecions and watch for bubbles.

Re: New air bags leaking?

Reply #2 –
Kids bubbles from the $ store (green, yellow, or red/orange have seen it in all 3) in a spray bottle work great for finding leaks in the air system. They have the half gallon jug.

Mike

Re: New air bags leaking?

Reply #3 –
Would guess forward bag air fittings/lines. Difficult to get to and look for leaks though. Sorry to hear.
Scott

Re: New air bags leaking?

Reply #4 –
While under there spray the front six pack as well.

Re: New air bags leaking?

Reply #5 –
Quote from: Pamela & Mike –
Kids bubbles from the $ store (green, yellow, or red/orange have seen it in all 3) in a spray bottle work great for finding leaks in the air system.

^ This ^

Start with the connections that would have been broken/remade during installation of the air bags.  Fittings are the most likely culprit.  Speaking from experience (and a shop that should have known better/done a better job).

Re: New air bags leaking?

Reply #7 –
Bbeane.  Where are the pressure switches located as well as the six pack. Mine is 98U320 so ours should be I the same locatiion

Re: New air bags leaking?

Reply #8 –
Peter,

Your front 6 pack is inboard of the frame up high mounted on a steel plate behind the left front tire. The rear is behind the right rear tires.  You should be able to open the access door for the start batteries and look up high and to the center of the coach and see it.  The HWH pressure switches are located on the 6 pack block.

Mike

Re: New air bags leaking?

Reply #9 –
     When I "rebuilt" my front six pak, I had a 2nd Solenoid on front and then 3rd solenoid fail on the rear six pak while working on the front.    Should not have been related, but it all happened during the 2weeks I was chasing my tail trying to figure out where I went wrong with my rubber O rings!!!  Similar to the changing out a car battery, that in turn leads to a alternator being bad.   
      Hopefully your suffering from a bad air line connection.    Bubbles found are your friend!!!

David

Re: New air bags leaking?

Reply #10 –
X2 on what Mike said. I rebuilt both 6 packs all was good for 2 weeks. Then the coach started leaking down in the left side. One of the front  pressure switches was leaking.

Re: New air bags leaking?

Reply #11 –
Took it back to my shop and they found a leaking fitting in the passenger front, just as suspected. Readjusted the ride height to 8.5 as it should be. Had them keep it over night to make sure. Everyone makes mistakes and they were glad to check it out. Inland truck in Grand Junction. Cody is their service manager. Good, honest and a clean shop. Cody worked at Transwest for years.
 

Re: New air bags leaking?

Reply #12 –
One of the new 90 degree elbows at the bag had a seam leaking. They replaced and all good!!!