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05-16-2019, 12:07 PM
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#1
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Junior Member
Join Date: Jan 2009
Location: Jacksonville, FL
Posts: 19
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Airbags or Suspension?
We have an 04 Beaver Monterey that has air leveling, no jacks. Lately when raising or lowering the motorhome, we will hear a loud thunk and the MH will seem to drop slightly. We have had it in the shop and up on the rack. They can make it make the noise by raising and lowering the air leveling, but the guy underneath cannot see anything happening. So the MH is back home with us and no one knows what can be happening. Called Alliance Coach in Wildwood, Florida, they said they could look at it, but have never heard of the airbags making a noise like that and they don't work on suspensions. Anyone out there have any idea what the cause may be and what the fix is. Looking for answers?
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05-16-2019, 12:51 PM
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#2
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Senior Member
Monaco Owners Club
Join Date: Oct 2014
Location: Rigby, Idaho
Posts: 3,948
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Ugh, how are your trailing arms? Your 04 Beaver; is it on a Roadmaster R4R or RR4R chassis equipped with a Monaco Gold suspension.
These chassis were used on certain model-year
2002 through 2009 Monaco, Holiday Rambler, Safari, and
Beaver motorhomes. The thump you ear might be the now two-piece trailing arm.
__________________
Cheers,
TonyMac
2006 Monaco Safari Cheetah 40PMT
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05-16-2019, 12:53 PM
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#3
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Senior Member
Monaco Owners Club
Join Date: Oct 2014
Location: Rigby, Idaho
Posts: 3,948
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I actually drove mine to the shop where they found the trailing arms broken. Spooky...
__________________
Cheers,
TonyMac
2006 Monaco Safari Cheetah 40PMT
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05-16-2019, 01:13 PM
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#4
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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If one of the trailing arms was broken, the mechanic should have easily spotted it - else he needs to find a new line of work.
On my coach, raising and lowering via airbags does make a lot of creaking and popping noises. I find that if I spray all the rubber bushings in the rear suspension it quiets downs a lot. There's a lot of weight moving around amd shifting when the airbags are run through their full range (while coach is sitting still).
But seriously, if it is making noise, any halfway decent mechanic should be able to locate the source or at least get close to it's source with a mechanics stethoscope.
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05-16-2019, 05:24 PM
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#5
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,794
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!
Our coach is air leveling only also. I have never heard any noise like that when raising or lowering! Have fun and keep her between the ditches!
Good luck, happy trails, and God bless!
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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05-16-2019, 06:14 PM
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#6
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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Quote:
Originally Posted by TonyMac
Ugh, how are your trailing arms? Your 04 Beaver; is it on a Roadmaster R4R or RR4R chassis equipped with a Monaco Gold suspension.
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The 2004 Monterey (CAT C9) should be on the Roadmaster M-series chassis. 8 airbag setup
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05-17-2019, 06:05 AM
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#7
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Junior Member
Join Date: Jan 2009
Location: Jacksonville, FL
Posts: 19
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The chassis is actually a Roadmaster M8. It took some digging to find out what it really is. The King pins were recently changed and the noise started happening not to long after the repair. No one seems to have a clue what is really going on. We are going camping soon and kinda worried.
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05-17-2019, 07:17 AM
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#8
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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I'm sure Alliance can locate the noise. If you are able to (safely) get under or look under while wife raises and lowers the suspension, I'll bet you could locate the noise (and then direct mechanic to the right place).
At least you should be able to tell them if the noise is coming from the front or back without getting under coach, by just listening at each wheel while suspension is moved.
Does it make any noise while driving? Hitting a pothole or turning so that coach body leans?
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05-17-2019, 07:23 AM
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#9
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Senior Member
Join Date: Jan 2016
Posts: 2,186
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You have place down the road from you in Orlando name Josams .
This is said to be the premier chassis shop around .
I would make an appointment and drive down there .
Home http://www.josamusa.com/
Ray
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05-19-2019, 06:58 AM
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#10
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Senior Member
Join Date: Jun 2011
Location: USA
Posts: 663
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I'll second it, go to Josams.
__________________
Bill B
2007 Navigator, 45' Series 60
Full-Timing since 2004
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