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11-30-2009, 11:57 AM
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#1
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Junior Member
Fleetwood Owners Club
Join Date: Nov 2009
Posts: 19
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Low Air Warning
Hello, just bought a 2001 bounder and drove from TX to VA and after stopping for dinner and hitting the road again the low air buzzer went off for about 5 miles. The next day I let the rv run for awhile before driving and the buzzer went off again for a couple of miles. I noticed that the rear of the rv is low in the mornings by looking at the rear flaps. Is this something to be alarmed about? It went off and remainded off the remainder of the day. I'm new at this and want to check out the little problems. I'm thinking it may have been this was a repo and could have been sitting awhile, but it drove the 1400 miles with no major concerns. Any advice is welcomed. Love this site!!
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11-30-2009, 02:15 PM
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#2
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Senior Member
Fleetwood Owners Club Appalachian Campers
Join Date: Aug 2007
Location: Greeneville-North East Tn.
Posts: 632
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WELCOME to the Forum: Does your bounder have the air release lever on the dash? I have an '01 Discovery that the lever dumps the air bags when you park. It has to be manually flipped for that to happen tho. The dealer told me he had a very rough ride one time and looked down and found the lever in the dump position. He stopped, flipped the lever, air bags pumped up and had a good ride home. Just a thought.
Safe Journeys...
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11-30-2009, 06:36 PM
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#3
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Junior Member
Fleetwood Owners Club
Join Date: Nov 2009
Posts: 19
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I will check, but i don't recall this switch. The guages were reading between 100-130 and the ride height went up well while driving. when i would stop the rear gaurd had about 3 inches clearance from the ground. This makes sense that something is releasing the rear pressure when parked. Thanks for the help.
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11-30-2009, 07:19 PM
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#4
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Senior Member
Fleetwood Owners Club Appalachian Campers
Join Date: Aug 2007
Location: Greeneville-North East Tn.
Posts: 632
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I just looked at mine ." SUSPENSION AIR "
<----lever----> I haven't learned to post pictures yet.
Lower Auto
Mine is located left of the steering column - on the vinyl part of the dash.
I hope you find your problem.
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11-30-2009, 07:51 PM
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#5
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Junior Member
Fleetwood Owners Club
Join Date: Nov 2009
Posts: 19
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I may have to look in some other area. This is a picture of my console.
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11-30-2009, 08:12 PM
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#6
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Senior Member
Join Date: Dec 2006
Location: St. Augustine, FL
Posts: 3,595
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Twinsberry, After reading your original post it sounds like you may have an air leak in the suspension air circuit. You said that the rear appears low in the AM. I am assuming that after start up the rear end raises to ride height?? To check for an air leak start the engine and build air pressure until the dryer purges.......then shut it down and walk around the rear of the coach and listen for air escaping or crawl under if you're skinny enough. If you can't hear or otherwise find a leak just let it sit for a couple of hours then turn the key on and read the air pressure gauge without starting. The gauge will tell you if you have a leak. You may have to let it sit for more than 2 hours but less than overnight.
If you have an air leak the result is the compressor runs more and you will use more fuel.
__________________
KIX
'02 Ultimate Advantage 40J Spartan MM - Cummins ISC
2013 Jeep Rubicon JK Unlimited
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11-30-2009, 08:30 PM
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#7
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Junior Member
Fleetwood Owners Club
Join Date: Nov 2009
Posts: 19
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Thanks will give it a looks this weekend.
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12-02-2009, 06:30 AM
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#8
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Junior Member
Fleetwood Owners Club
Join Date: Nov 2009
Posts: 19
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Kix, does this same circuit work the speedodmeter? After about a 1000 miles the speedodmeter started bouncing. It would go from 65 to 85 and back. But after a short stop at the lake and a bumpy ride the speedodmeter started working fine. I found out this affects the cruise control. Could the leak be under the dash?
__________________
Chuck Berry
2001 Fleetwood Bounder 37K
USAF RET
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12-02-2009, 06:16 PM
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#9
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Senior Member
Join Date: Dec 2006
Location: St. Augustine, FL
Posts: 3,595
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Quote:
Originally Posted by Twinsberry
Kix, does this same circuit work the speedodmeter?
I was referring to an AIR circuit; not a wiring circuit
I found out this affects the cruise control.
The bouncing speedo causes the cruise to not work correctly.
Could the leak be under the dash?
Typically modern diesel coaches dashes are all electric impulses. The VDC (Vehicle Data Computer) gets the signals first and then sends them on to the dash instruments and gauges. At least that's the way my coach works and I assume your works the same.
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It sounds like you have two separate problems. One is a leak down of the rear suspension which may be an air leak. The problem withthe bouncing speedo could be caused either by the speedo itself or the VDC. If you do a search on this forum for VDC repair you may find some interesting and helpful info.
__________________
KIX
'02 Ultimate Advantage 40J Spartan MM - Cummins ISC
2013 Jeep Rubicon JK Unlimited
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12-02-2009, 06:53 PM
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#10
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Another potential cause of the speedo bounce is the Vehicle Speed Sensor or VSS used on some rigs. If that is faulty it reports the wrong info to the VDC which forwards same to the dash. Not sure of the location of the VSS or VDC on your rig but a new thread, maybe "Bouncing Speedo Readings" or the like, will find owners who had and fixed this same problem.
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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07-08-2013, 01:37 PM
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#11
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Junior Member
Fleetwood Owners Club
Join Date: Nov 2009
Posts: 19
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Fixed, there was a black box that monitors the are and send the signal. It was bad, you could hit it and get different air readings. Once replaced all is good. Now have to fix speedo problem which sounds like vss.
__________________
Chuck Berry
2001 Fleetwood Bounder 37K
USAF RET
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