Air lines will last many years. I have never seen one leak. Air leaks develop
at the connectors, at the air pump, or at the valve in the air box. Rick's
suggestion of putting a one way valve near the compressor is a good one.
Leaks can be hard to locate. Is you haven't been able to find a leak at a
connection using some dish soap and looking for bubbles, take the valves in
the air box apart and make sure they are clean and the seals are in good
shape. A trick Terry told me about years ago for locating small air leaks is
to inject a little freon into the air tank and then check around with a freon
detector. Those detectors are very sensitive and will find very small leaks.
145 pounds is certainly more than you need to open the door and high pressure
will make a leak lose air faster. If the switch is replaceable, maybe you
could swap in a 115. That's not going to stop your leak though. You are still
going to need to track it down.
Good luck.
Scott
Sent from my iPad
> On Jul 24, 2014, at 11:48 PM, "Greg Schroeder" <gschroeder@comcast.net>
wrote:
>
> Is there a recommended interval for replacing air door lines? I have
> developed a slow leak that I have not been able to track down at any of the
> connections. So I am wondering if it could be the air lines causing the
> issue. If I let the car sit without the compressor on it will drop down to
> about 80 lbs. overnight. I need a little over 100 lbs. for my doors to
open.
> I had replaced the pump a few years back with Viair a 145 lbs. cut off
switch.
> My original pump could not fill over 115 lbs. I am wondering with the
newer
> pump and higher pressure cut off it I have exceeded some of the original
lines
> capacity.
>
> If I need to replace these can you recommend an online vendor?
>
> Greg 0036
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