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Old 10-03-2022, 09:17 AM   #1
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Drive Height for 2005 Monaco Signature

Yesterday I noticed my RV lower than normal 9"Height to 7.5" .I cannot go under the RV to adjust "Height Lever.'' (I never done before)

I started engine short time after air pressure reached 130 psi, but RV remained 7.5"Height.
What do you advise?
Thanks

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Old 10-03-2022, 09:21 AM   #2
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Drive the wheels up on 2X12's to give yourself safety clearance, even with all the air out of the suspension.


Check it with the coach level.
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Old 10-03-2022, 11:57 AM   #3
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I had to work on my air system so I made 6 ramps using 2X10 lumber 48", 42", 36", 30" cut and stacked and screwed together. I put a stop block on the 4 for the rear. Backup on them without a problem, worked great.


Then check you ride height valve and linkage as a starting point.
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Old 10-03-2022, 03:20 PM   #4
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Can I do this myself

Jim and Brett - I have no experience with these systems. is it feasible that i can do this myself?
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Old 10-03-2022, 03:27 PM   #5
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Jim and Brett - I have no experience with these systems. is it feasible that i can do this myself?

Sorry, that depends on your skill set, but it is NOT complex and regular hand tools are all that are needed.


Most important is that the coach is high enough that you have safety room with all the air out of the suspension and that the coach is level when you set ride height to spec.



Could be something as simple as the lever arm came loose. But you do need to measure it.



Said another way, ride height is critical to suspension and driveline components.
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Old 10-03-2022, 04:31 PM   #6
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Most coaches have three ride height valves, 2 rear and 1 up front. Seems highly unlikely that all 3 decided to drop the same 1.5" at the same time. I don't know what to suggest, but I doubt if this is a simple matter of a loose control arm.
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Old 10-03-2022, 04:55 PM   #7
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Did you try moving the rig and see if it came up ?
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Old 10-03-2022, 04:59 PM   #8
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Most coaches have three ride height valves, 2 rear and 1 up front. Seems highly unlikely that all 3 decided to drop the same 1.5" at the same time. I don't know what to suggest, but I doubt if this is a simple matter of a loose control arm.

Yes, need clarification: was this on one ride height valve or all three???


If all three, look at your air leveling/air dump system. What jack system do you have?
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Old 10-03-2022, 05:00 PM   #9
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Jim and Brett - I have no experience with these systems. is it feasible that i can do this myself?

Here is a link to download a manual for your coach. https://www.monacocoach.com/service-...pairs/#manuals
Starting on page 433 it has a pretty good description on how to check and adjust ride height. Read this and if you are comfortable with it you can try. Not that complicated.





My ride height is different from back to front. I checked the back first. I cut a piece of wood the correct length that I could easily slip in between the plates on the air bags. Easier to do this then measure. Made slight adjustments side to side.

The cut the stick off and checked the front.
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Old 10-03-2022, 05:39 PM   #10
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Quote:
Originally Posted by artdeco View Post
Yesterday I noticed my RV lower than normal 9"Height to 7.5" .I cannot go under the RV to adjust "Height Lever.'' (I never done before)



I started engine short time after air pressure reached 130 psi, but RV remained 7.5"Height.

What do you advise?

Thanks





Front and back not raising?
Odds are no adjusting valves or linkage needs replacing.
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Old 10-04-2022, 03:34 PM   #11
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Today is raining hard. waiting for SUN SHINE.
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Old 10-04-2022, 03:48 PM   #12
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You need it in travel mode after airing up
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Old 10-05-2022, 03:22 PM   #13
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thanks to everyone for the replies and advice. I think the problem is solved but I am not so sure of how much I credit myself. The system seems to have solved itself and now gives Travel Mode signal. Hopefully next month when I travel from New Jersey to South Carolina I won't be in the middle of the road screaming for help.
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