Garage Monster Posted September 6, 2022 Share Posted September 6, 2022 My air system has the usual twin needle pressure gauge. First question is the white needle for front or rear brakes? While driving the red needle barely moves and stays pretty steady at about 120 psi. The white system has a slow leak and will slowly drop about 5 pounds and the rise back up. Occasionally it will drop 20 pounds or more and then quickly rise back up. When climbing long grades it has a few times dropped to the point of the warning buzzer coming on. If I quickly snap then throttle off and on once or twice it will catch and rapidly come to back 120 psi. Can somebody tell me where the faulty valve or regulator might be found on my 93 Monaco, what is the proper name for it, perhaps send a picture so I know what I am looking for, tell me where to look for a new one and anything tips on replacing it? That is a big request, I know, but I am looking for knowledge and this forum is a gold mine of knowledge. I am headed from Washington to Colorado so I hope to make the change myself. I will check back in tonight when I stop for the day. Link to comment Share on other sites More sharing options...
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