HODieselRam
Colorado
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Joined: 09/21/2003
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Well from a earlier post I had a problem with my furnace in my 5er. Always worked great, last week-end during a little camping trip the furnace wouldn't fire up and the blower would not spin up.
Today I started by testing the thermostat for 12volts…checked OK, then checked to see if the blower motor was seeing 12 volts…that checked OK.
Then I just out right removed the whole furnace, disconnecting the gas line, vents, power lines, and then pulled the entire unit out for a closer look.
The intake impeller wheel which draws in outside out from a outside vent was locked up and would not spin freely….then I knew this was the problem. I disassembled the blower housing and guess what ? bees had made a mud nest which locked up the impeller wheel and that was the problem. Put everything back together, checked for gas leaks and fired it up !!
I will now cover the outside vents with duct tape to avoid this, and maybe find a cover on longterm. (you need to remember to remove it)
Cost to fix everything zero dollars, time to fix it 4 hrs plus a trip home to get the shop vac and my little generator to run the shop vac!!!.
SO !!! YOU MAY WANT TO CLOSE OFF YOUR INTAKE VENT TO AVOID THIS.
I took picture of the disassembly process and mud nest. Email me if
your interested
Happy RVing
03 Dodge 2500HD QQ HO CTD 48RE 4x4 SLT/16K Pullrite Superglide/Jordan BC/Magnaflow muffler/Firestone airbags/Edge EZ/Di/Pricol gauges Cubby mounted.
04 Laredo 29BH 31ft 5er/2 batteries/custom class III receiver hitch/DVD/loaded
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targaboat
sulphur springs, tx, usa
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Joined: 09/20/2004
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Most RV stores have screens which will fit over the vents. No more problem and you do not have to remember to remove it.
Fly Boy
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targaboat
sulphur springs, tx, usa
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Joined: 09/20/2004
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Most RV stores have screens which will fit over the vents. No more problem and you do not have to remember to remove it.
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FXSTOHIO
Ohio
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Joined: 01/27/2009
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I put a screen on the trailer as soon as I get it home from the dealer just for that very reason. Glad you got it fixed.
2008 Pilgrim Lite 21LRB
2004 Chevy Silverado Extended Cab 4x4 5.3 Tow Pkg 3.73
Yamaha EF2400IS
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HODieselRam
Colorado
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Joined: 09/21/2003
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The Suburban furnace owners manual says not to add a screen to the vents but I think I will. Thanks
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BruceStarkey
Ontario, Canada
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Joined: 05/02/2004
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Suburban is covering their butt. You just have to be careful to not impede airflow enough to prevent the 'sail switch' from working properly. Now if only Suburban/Atwood could convince the mud daubers & spiders to stay out of the things we'd be home free.
Today is just the tomorrow you worried about yesterday!
'04' International 4400 LoPro 310Hp/950FtLbs 10Spd Harley/RV Toter
'05' Mobile Suites 38RL3
'01' Harley Ultra in the bike barn.
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ButteBumBob
Albuquerque,New Mexico, USA
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Joined: 01/08/2004
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Thanks for the update and information. Here is a link to a screen
.........Furnace Screen
2004 GMC 2500HD Duramax/Allison/Shortbed/Crew Cab/ 4x4
2004 Crossroads Cruiser Fifth Wheel CF29RK
1973 Seeker Travel Trailer (for the short trips)
Hangin with the Big Boys
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Art D
Louisiana
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Joined: 03/06/2004
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I tested my furnace recently and just after I turned in on I went outside to make sure hot air was coming out the discharge vent. Well, it was, and also a small frog came out very quickly.
Geaux LSU
Who dat say dey gonna beat dem Saints? 10-0, this is unbelievable!!
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traildog
Pendleton, IN USA
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Joined: 09/11/2003
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Art D wrote: Well, it was, and also a small frog came out very quickly.
YUM! Frog legs for dinner! 
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GBJohn
Michigan
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Joined: 11/07/2009
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HODieselRam wrote:The Suburban furnace owners manual says not to add a screen to the vents but I think I will. Thanks
I had the screen on our previous trailer and now on our 5'er. The furnace was used considerably over the past summer (northern MI gets cold at night) without any problems. The manual also tells you not to replace the floor registers with the closeable type. Guess what? They work just fine, too, for directing heat where you want it instead of all of it going to the bedroom over the furnace.
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