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No Air Pressure??

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Roger Milne:
Thankfully broke down in a camp site but between Arizona and South Carolina.
Pulled in last night and this morning I’ve got no air pressure.
Tanks won’t recharge and obviously Park Brake won’t release.
Where should I start trouble shooting? Is this an air compressor issue or air governor?
Any help on Easter Sunday LOL would be helpful.

Frank Bergamo:
I would look at the air governor first. They are cheap and can be found at any NAPA or truck place.
https://www.napaonline.com/en/p/BNDBENOR275491X?srsltid=AfmBOopTf_e_N9aDErTU0dxEAmegEjE49t_dqFghb9TdQ5ydIgb8_MLPBeA
Good luck, hope this helps.

Roger Milne:
Ok. Good to know. Apparently the local NAPA store here in Van Horn has one but is closed until tomorrow. Will go that route first thing in the morning.

Eric Maclean Co-Admin:
Roger
This might help you understand and troubleshoot the governor, compressor and air drier.

https://youtu.be/bmgSwSeLk_o?si=Whx7W1D9RPOiNeEP

Eric

Roger Milne:
Sorry for the delay in replying been a busy few days driving.

But wanted to update the situation and get some feedback. So managed to find a mechanic to come out on Easter Sunday and trouble shoot the air system. We found a substantial leak on the back of the air dryer body and we cobbled together a bypass for that and immediately started building pressure again. The only side effect was the air hammering the supply tank as it charged but stops when it hit max pressure. Sounds like someone tapping on the tank with a metal hammer but it does the job.

So now we have reached our destination and I can get some tools I’m gonna pull the air dryer body off and see where the leak is coming from. Then track down a replacement.
But doing this has uncovered another issue. So it appears I have a line leak in the rear right somewhere else as the tanks fill and discharge and as soon as I shut off the engine the back rear bleeds the tanks to zero over night. So that’ll have to be investigated as well.

So I appreciate everyone’s advice and videos etc. and will post another update when I get the air dryer off and see what’s up with that.

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