Mike, 92 Country Coach
Forum Replies Created
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I don’t think so Chuck, regardless of the vintage, If that light is on your Voltage is out of balance..
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Mine doesn’t act that way. Battery balance issue for me is when the 24 and 12 volts are not within specification. If you are charging your chassis batteries from any source they should always be in balance.
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Jessica is the Best!
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More information needed. It could be your equalizer, or your batteries or other issues. need what components are in your system and what was going on when you first saw this light.
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I don’t think what you are saying is even remotely possible without some other events occurring.
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There are a lot of things going on here, some related, some have nothing to do with each other. What was the first thing you noticed that started this issue?
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What was the shop name that behaved this way?
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Take it back to the person that broke the stud and make them replace it. It’s not an easy task. Drive axle needs to be lifted, tires removed etc. when they put the rims back on make sure they use a torque wrench and follow the pattern stated by Prevost.
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TPMS Pffftttt. Take an old wooden broomstick and cut it down to about 2 feet long. Each time you stop give the tire a good thump. This is the best pressure gauge.
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Unless the initial description of the problem is incorrect, or someone made some bad decisions on plumbing there is no link between the two systems. This is designed by Prevost this way for Safety
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I copied and pasted your questions below:
I’m confused. While the parking brake is engaged and the engine running, I build pressure in the Front, Rear and Aux systems. Overnight, say 10 hours, the Front and Rear air pressures do not drop at all and the Aux system drops 20psi.
Mike-This means your Suspension Norgrens (air bags) are holding air but you have a leak somewhere else in your system that uses aux air.
When I start up the bus and I release (turn off) the parking brake, in neutral and the engine running, I loose air pressure in all three systems quickly.
Mike- Not related to the previous question, this leak is in your brake system
In a matter of maybe 60 second the Front, Rear and Aux systems will drop from 117psi to 96psi with my foot on the regular brake. I take my foot off the brake, still in neutral, the engine running, and all three systems quickly drop to 88psi, then 77psi and the parking brake light comes on.
Mike-Aux and Brakes are 2 different system, you have leaks in both systems.
Still in neutral, no brakes applied, I run the engine rpms up and no air pressure will build up.
Only when I engage the parking brake will air pressure build up and it builds up quickly.Mike-Same answer as previous, you have a leak which should be substantial enough to hear.
What happens in the Front, Rear and Aux systems when the parking brake is engaged and what happens when the parking brake is disengaged ?
Mike-They have nothing to do with each other, two independent systems. It is going to be hard for you to hear these with the engine running, plug a compressor into your port in the back above the batteries, you should be able to hear a leak that is dropping that quick.
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Chuck, what do you mean it has to do with 2 ways of charging? The light he is referring to is telling the driver the voltage is incorrect which is a problem. Please elaborate how yours works, i am curious.
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I agree it is a different format and it has taken some getting used to for me anyway, what is it you are not liking about the new format? I am sure Jessica and Bill would be happy to hear the concerns. or help you find what you are looking for.
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To make sure i understand you were parked, the parking brake was set, engine was off and you heard a bang?
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Where is the Laugh emoji when you need one.