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Ride Height Problem


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My Dynasty no longer comes up to proper ride height on the entire left side. I am assuming that the ride height valve in the rear that controls the left side has failed or something else has happened to it.

Am I correct in my thinking?

I can bring it up manually but it won't stay there. It slowly drops back down.

What say others who know more about the ride height valves than I do?

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There are three ride height valves on the Roadmaster chassis. One in the front and two in the rear (one on each side). Your left side ride height valve needs to be inspected. These valves have a lever that comes off them with a rod that attaches to the frame. The rod may have come out of the rubber holder. If everything looks intact, your ride height valve may be defective. I have had to put two new ones on my 2008 Dynasty. Do some YouTube videos and look at the archives in Bill D's. Also there is a Monaco owner group in Facebook that is very helpful.

Edited by Doug and Nicki
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Does it keep dropping in manual mode or with system off or only in travel mode? And does it stop at certain position or keeps dropping to eventually have empty bags at that side/corner. Number of possible causes with the rear left ride valve and rod mounts probably easiest to check.

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I just spoke with Barry @ Josam's in Orlando. He seems to think it is most likely a travel solenoid valve that is not working on the 6-Pack at the rear because the left side won't come up at all but I can raise it with the HWH control panel in manual mode.

I plan to take the coach to Josam's once I have a firm appointment made with RV Glass Solutions in Lakeland FL for a new windshield to be installed. I will go to Josam's first to have the ride height system repaired, then head over to Lakeland FL to have my new windshield installed.

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6 hours ago, Dr4Film said:

I just spoke with Barry @ Josam's in Orlando. He seems to think it is most likely a travel solenoid valve that is not working on the 6-Pack at the rear because the left side won't come up at all but I can raise it with the HWH control panel in manual mode.

I plan to take the coach to Josam's once I have a firm appointment made with RV Glass Solutions in Lakeland FL for a new windshield to be installed. I will go to Josam's first to have the ride height system repaired, then head over to Lakeland FL to have my new windshield installed.

I had to replace two ride height valves on my 08 dynasty; one went out while travelling and the passenger side rear dropped like a rock.  I also had to change a 6-pack becase of a bad solenoid valve that controls the levelling;  coach kept dropping on one side over night.   Based on your observation about good operation in manual mode i feel pretty sure that the solenoid that controls the air flow to ride height valve is bad.  It is an easy fix.

Bob L, 08 dynasty

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Our air ride and leveling is a complicated system of solenoid valves, air bags, air-lines and connectors which works great until it doesn't.  An experienced tech should be able to track it down. It's likely in one of the six-packs which can be replaced or rebuilt. I've heard of a number of cases of mud daubers making homes of the exhaust ports on those valve blocks. I screwed in some silencers on mine which made the system quieter for those camped next to me and prevented the little buggers from making trouble.

Edited by PTTech
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On 2/8/2024 at 11:18 AM, Dr4Film said:

Thanks for confirming what I was thinking in regards to the left Ride height Valve being the problem.

I appreciate bouncing this off members and having knowledgeable folks to rely on.

 I manually raised mine and hit auto leveling it leveled and let it stay for a day then not at ride hight then started it aired up to ride hight a few times and it released the sticky valve it’s worked ever sinceIMG_0914.thumb.png.f77f4f9400500763cbd47d799d985911.png

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Richard I had to play with mine I manually raised both front and rear then hit dump then auto leveling never letting it go into ride hight I think twice it held at leveling. Next day took it for test drive and haven’t had a problem since. I was told sometimes the valves stick from sitting. Berry is right guy to fix it for sure. Let me know how it works out for you.

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When you look at the diagram of the rear 6-Pack Air Manifold, there are two Travel Valves at the top, one for each side. The Raise and Lower Valves are separate from the Travel Valves. So, exercising the Raise and Lower Valves really should have no effect on the two Travel Valves at the top of the manifold.

I think you were just lucky in your case.

This problem fist started when we went to leave from our Workamping jobs in Georgia to return home last November. I had to use the HWH in manual mode just to get home. However, I constantly had to tweak the control pad while driving. I recently moved the coach to do some work on the house and nothing has changed. Left side will not come up to ride height.

I talked to Barry @ Josam's last week to get his opinion. He thinks its one of the Travel Solenoids that has failed.  Since I have no way of safely getting underneath the coach in that location and condition, I plan to have him repair whatever it needs to get it back to normal.

I am having RV Glass Solutions replace my windshield sometime this month. So my plan is to drive to Josam's and have the air leveling system worked on. Then drive over to Lakeland FL to have the new windshield installed.

Follow-up post when it has been repaired.

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