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Old 09-18-2020, 04:28 PM   #1
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Help! Won't build air pressure

Been parked for 3 weeks went to move and coach wont build pressurs...any ideas?

Thanks
Greg
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Old 09-18-2020, 04:35 PM   #2
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Walk around outside and listen for leaks
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Old 09-18-2020, 04:37 PM   #3
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Did that dont hear anything escaping....wierd
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Old 09-18-2020, 04:42 PM   #4
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We run the engine and it does take awhile to hear the hissing. If you watch the needles it seems to take long
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Old 09-18-2020, 04:51 PM   #5
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Yup something leaking between the front tires can hear it and see the grass blowing under it
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Old 09-18-2020, 05:01 PM   #6
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Might just for grins pump your breaks a few time and see if it a a sticky valve
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Old 09-18-2020, 07:23 PM   #7
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Originally Posted by Steve,N,Jan View Post
Might just for grins pump your breaks a few time and see if it a a sticky valve
Steve took more than a few each time pressure increased then finally got to 110 psi
You could hear everything work as normal..thanks so much to all the quick responses
Now 45 min out of Pendelton OR
Hope you all know how appreciative Vick and I are


Greg
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Old 09-19-2020, 08:12 AM   #8
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Help! Won't build air pressure

Could possibly be ride height valve leaking?
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Old 09-19-2020, 12:28 PM   #9
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Steve took more than a few each time pressure increased then finally got to 110 psi
You could hear everything work as normal..thanks so much to all the quick responses
Now 45 min out of Pendelton OR
Hope you all know how appreciative Vick and I are


Greg
You may still have a leak -- on my coach we usually run at just about 120 PSI. The two air tanks are relatively close to the front axle and have several fittings that can start leaking (speaking from personal experience). If leaking continues to be a problem then when your coach is aired up you can get under there with some soapy water in a spray bottle and try spraying those fittings.
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Old 09-20-2020, 09:40 AM   #10
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Good idea
Now that I an raise the coach
Thanks
Greg
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Old 09-20-2020, 04:25 PM   #11
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You could have a compressor governor going bad. They are not expensive and if you are handy with tools, they are easy to replace. If not, a truck shop or mobile mechanic can get you fixed up pretty quick. Normally there is like two mounting bolts and three air line connections and that's it. Nothing to adjust. On my '01, it mounted behind the Air Filter/oil/fuel filter compartment. You lay on the ground to get to it.
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Old 09-23-2020, 07:52 PM   #12
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You could have a compressor governor going bad. They are not expensive and if you are handy with tools, they are easy to replace. If not, a truck shop or mobile mechanic can get you fixed up pretty quick. Normally there is like two mounting bolts and three air line connections and that's it. Nothing to adjust. On my '01, it mounted behind the Air Filter/oil/fuel filter compartment. You lay on the ground to get to it.
Thanks I will locate that for future knowledge
We parked for 4 nights in pendelton pressure gages as followed green (main wet tank dropped 9 psi) ( red forward tank? stayed steady at 120 psi) not sure what is normal we have over nighted once since then and two days of.driving no issues. Still plan on leak checking but I dont plan on crawling under unless I have some sort of shoring...these things are heavy and drop really low
Thanks again all ya'll
Greg
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