Onboard air leaks
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Laughing Gas
Joined: Sep 2008
Posts: 1,053
Likes: 11
From: Central NJ
Onboard air leaks
Ok, so I have a Viair onboard compressor supplying air to airbags, train horn and fitting in the rear. With all that, I have multiple connections and some leak ever so slightly making the compressor cycle ever few hours. Question:
Is there some sealant I can use with push on fittings and connectors to eliminate the leaks that anyone has used?
Is there some sealant I can use with push on fittings and connectors to eliminate the leaks that anyone has used?
Lead Driver
Joined: Jan 2008
Posts: 6,180
Likes: 83
From: Georgia
Ok, so I have a Viair onboard compressor supplying air to airbags, train horn and fitting in the rear. With all that, I have multiple connections and some leak ever so slightly making the compressor cycle ever few hours. Question:
Is there some sealant I can use with push on fittings and connectors to eliminate the leaks that anyone has used?
Is there some sealant I can use with push on fittings and connectors to eliminate the leaks that anyone has used?
Cargo Master
Joined: Mar 2005
Posts: 2,368
Likes: 620
Ok, so I have a Viair onboard compressor supplying air to airbags, train horn and fitting in the rear. With all that, I have multiple connections and some leak ever so slightly making the compressor cycle ever few hours. Question:
Is there some sealant I can use with push on fittings and connectors to eliminate the leaks that anyone has used?
Is there some sealant I can use with push on fittings and connectors to eliminate the leaks that anyone has used?
Elder User
Joined: Dec 2004
Posts: 613
Likes: 1
I trashed every piece of air line and all the fittings that came with my viair kit. I opted to use pushlock (parker.com) DOT approved air line fittings (big rig type) and air hose from a local truck repair shop and my system don't leak down at all. I've been setting at 125psi for a little over a month now.
Thread Starter
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Laughing Gas
Joined: Sep 2008
Posts: 1,053
Likes: 11
From: Central NJ
I trashed every piece of air line and all the fittings that came with my viair kit. I opted to use pushlock (parker.com) DOT approved air line fittings (big rig type) and air hose from a local truck repair shop and my system don't leak down at all. I've been setting at 125psi for a little over a month now.
Elder User
Joined: Dec 2004
Posts: 613
Likes: 1
I bought them from McMaster-Carr website. McMaster-Carr
or search for "High-Pressure D.O.T. Push-to-Connect Tube Fittings for Air" from their search engine. Be sure to select the D.O.T. approved check box from the left column
or search for "High-Pressure D.O.T. Push-to-Connect Tube Fittings for Air" from their search engine. Be sure to select the D.O.T. approved check box from the left column
Post Fiend
Joined: Jan 2009
Posts: 6,521
Likes: 11
From: Greenwood, SC
My leak down is at the pressure switch and the rear air fitting for my hose. There is a product that is basically stretchy rubber that you pull and wrap around stuff to seal. It works ok but it's not a real fix, just a band aid.
So, my tank has always leaked down in a few hours but my airbags remain inflated permanently so I've just lived with it.
I appreciate the info on better air fittings, going to look at that.
So, my tank has always leaked down in a few hours but my airbags remain inflated permanently so I've just lived with it.
I appreciate the info on better air fittings, going to look at that.
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Elder User
Joined: Dec 2004
Posts: 613
Likes: 1
My leak down is at the pressure switch and the rear air fitting for my hose. There is a product that is basically stretchy rubber that you pull and wrap around stuff to seal. It works ok but it's not a real fix, just a band aid.
So, my tank has always leaked down in a few hours but my airbags remain inflated permanently so I've just lived with it.
I appreciate the info on better air fittings, going to look at that.
So, my tank has always leaked down in a few hours but my airbags remain inflated permanently so I've just lived with it.
I appreciate the info on better air fittings, going to look at that.
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Lead Driver
Joined: Jan 2008
Posts: 6,180
Likes: 83
From: Georgia
I used the tubing I got from Firestone for mine. Mine takes over 24 hours to leak down. That being said, I've never lost any pressure from my bags. Only from my tank. That was quickly remedied with a longer stainless hose so I could take out a non-Viair coupling.
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