Reese
Forum Replies Created
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Tom:
You just gave me a aha moment. I get the burnt rubber smell sometimes after towing the car. Been trying to chase the cause for awhile.
Chuck
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Both dropping simultaneously suggests possibly a parking brake relay valve might be leaking or maybe a leaking brake chamber.
Just to see if that is a reasonable supposition, air up the coach with the parking brake engaged and then turn it off. When that is the situation air is locked in the tanks by the relay valves. If you do not see a pressure drop, block the wheels and relase the parking brake with the engine off. If you see a pressure drop where there was previously none then the brake chamber diaphragm might be the issue.
Neither problem repairs itself and usually they tend to get worse, sometimes very fast so it is important to isolate and fix the problem.
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Reese:
Had an issue with a slow leak on a tire only when the pressure pro tire monitor was on the tire. Turns out a small piece of chrome had come off the valve stem extension and stuck to the little O-ring in side the tire monitor. The next time I screwed the tire monitor on the valve stem the little piece of chrome on the O-ring caused a leak where it seated on the valve stem.
Check the O-Ring
Chuck
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Roy,
Thank you for your response.Yes, I check the tire pressure with a gage to confirm the problem. Pressure Pro readings and the tire pressue gage is within a couple of pounds.
When I purchased the Marathon I had the Pressure Pro installed. I do not know if the tires leaked air before the Pressure Pro was installed.
Reese
2007 Marathon XLII #1025
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Cruise airs work fine for me, they must be charged properly, kept clean. The lower fan speed does work.
Don, we drag race too, and know what it’s like to be parked on hot asphalt!
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661-335-2862. Try this number for Mark Fechner of California Coach Works formerly American Carriage. If A.M. painted your bus, this would be best bet. If Prevost painted it, call Prevost Elgin wher you call for parts and have them email your shell build info which will have paint codes
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If you have an alarm system in the coach it could be the switch for the door alarm. It doesn’t need any power, it’s just a continuity switch.
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Yep Jim, thought about coming down 25 from Cheyenne, but I hate the traffic around Fort Collins.