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Hard to find air leaks
After 5 yrs of chasing air leaks I am down to the hard to find ones on the following items & have replaced all of the following over time. The leaks were very small and difficult to detect.. I am at the point where my brake tanks stay up for weeks and my Aux tank drops down to 60 PSI over night and then slowly down to zero over the following week.
I have accepted the leaks will never get to zero and if I do get them to zero it won’t last for long.
* End caps on Norgren valves
* Pressure regulators for engine belts and generator air bags
* On/off valve for engine belt air bags
* Drain valves on tanks
* Pressure relief valve on air dryer
* Pressure regulator line to engine air compressor governor
* Air valve for steering wheel adjustment
* Parking brake valve by drivers seat
* Connectors on back of front/rear brake tank dash gauges and Aux tank dash gauge
Chuck
2000 Featherlite H3-45
2024 Jeep Grand Cherokee
Leesburg, FL -
1 Reply
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I spent weeks one summer replacing most of what you listed and 100+ push lock fittings with compression fittings and all new norgren valves. And we still have the hidden fittings that just don’t leak enough to hear and can’t be accessed easily to check. My coach sat for 6 mos over the winter, and my main tanks never went below 60psi, but my auxiliary compressor would still come on at least twice a day in my building that is heated, but only about 50 degrees.
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