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05-12-2019, 03:45 PM
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#1
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Member
Brand: Thor Motor Coach
Model: Aria 3901
State: Alaska
Posts: 69
THOR #14573
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Dangling tube at rear transfer case
Just noticed this hanging down. What is it and did it shake loose? Do I need to resecure it before I travel again?  
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05-12-2019, 04:16 PM
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#2
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Senior Member
Brand: DRV
Model: Memphis
State: South Dakota
Posts: 181
THOR #2341
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Follow the tubing back to the source. It might be the differential vent. Or it could be something more important.
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A&J
2017 Mobile Suite Memphis
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05-12-2019, 05:00 PM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,929
THOR #6826
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Agree with Walker find out what’s on the other end! It looks like a vent for something. Unless it doesn’t do anything at all - as in a scrap of hose that somehow got left behind during the build - it should be either secured somewhere or reconnected to whatever its unconnected from. I’ve never seen a fitting quite like that.
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05-12-2019, 07:17 PM
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#4
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Member
Brand: Thor Motor Coach
Model: Aria 3901
State: Alaska
Posts: 69
THOR #14573
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Quote:
Originally Posted by Pete'sMH
Agree with Walker find out what’s on the other end! It looks like a vent for something. Unless it doesn’t do anything at all - as in a scrap of hose that somehow got left behind during the build - it should be either secured somewhere or reconnected to whatever its unconnected from. I’ve never seen a fitting quite like that.
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Thanks...yep it is the breather tube for rear differential that shook loose. Apparently quite common.
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05-13-2019, 12:19 AM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,929
THOR #6826
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Really? I’ll have to check mine. Why does it need a hose like that for goodness sake!
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05-13-2019, 03:12 AM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Miramar 34.2
State: California
Posts: 133
THOR #14761
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What a great group so much help
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Miramar 2017 34.2, roadmaster front & rear sway bars, sumo shock, Roadmaster stabilizer bar, Koni shocks, F150 crewcab coyote motor , 2004 40th #26th edition 911, E350 2 door coupe, Mini Paceman 2013 6 speed manual toad/ RV 
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05-13-2019, 03:29 AM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: S.O.B.
State: California
Posts: 1,368
THOR #3483
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Quote:
Originally Posted by Pete'sMH
Really? I’ll have to check mine. Why does it need a hose like that for goodness sake!
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Necessary to vent any pressure build up that may occur so seals don't get blown out. It was probably zip tied in place and the tie broke.
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05-13-2019, 01:21 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,929
THOR #6826
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Quote:
Originally Posted by axis earl
Necessary to vent any pressure build up that may occur so seals don't get blown out. It was probably zip tied in place and the tie broke.
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I certainly understand the need to vent, but why does it need an 18 inch hose? It looks like it has a fitting of some sort on the end. Does that connect to a valve or something?
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05-13-2019, 01:31 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: S.O.B.
State: California
Posts: 1,368
THOR #3483
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The plastic piece on the end is usually there to keep contaminants from going IN the tube and to let the pressure OUT. It is so long so that the end is held up as high as possible in the event the rig is driven through a puddle of water, etc. Most trucks have them. My old 4x4 Chevy has them on both front and rear differentials.
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05-13-2019, 02:12 PM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,929
THOR #6826
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Learn things from this forum every day! Thank you. Next time I’m under my coach I’ll look to see how mine is routed.
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05-14-2019, 02:02 AM
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#11
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Member
Brand: Thor Motor Coach
Model: Aria 3901
State: Alaska
Posts: 69
THOR #14573
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Quote:
Originally Posted by Pete'sMH
Learn things from this forum every day! Thank you. Next time I’m under my coach I’ll look to see how mine is routed.
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Ya, this forum is awesome. Mine shook loose on washboardy dirt road.
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05-14-2019, 03:23 AM
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#12
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
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They need to be as high as possible so you can go off road with your RV and cross that 2 foot deep creek. 
Seriously. They have it up high to prevent water intrusion (hence the 18 inches). Zip tie as high as you can go but leave some slack for the axle to go up and down as well.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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