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01-15-2021, 03:34 PM
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#1
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 192
M.O.C. #22947
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Loud bang
I was in my trailer, when suddenly I heard a loud bang as the rear of the trailer rocked, a second after it happened again.
I can't figure out what it was. Weather wasn't bad.
Could my fresh water tank been falling down to the coroplast? I was looking under there but didn't see anything. The coroplast would not hold a tank with 50 gallon's of water right???
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01-15-2021, 03:41 PM
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#2
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Seasoned Camper
Join Date: Nov 2020
Location: Olathe
Posts: 65
M.O.C. #27598
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Check your tire pressures and all around your tires - just in case you had a couple of blowouts!
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01-15-2021, 04:04 PM
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#3
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,548
M.O.C. #2283
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I would be betting on the jacks or suspension slipped a little. Maybe something was in a bind and popped a loose not necessarily broke but just popped out of a bind.
Lynwood
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01-15-2021, 04:36 PM
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#4
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Montana Fan
Join Date: Dec 2017
Location: neptune
Posts: 140
M.O.C. #20983
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Check roof .Maybe dead branch.
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01-15-2021, 04:49 PM
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#5
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 192
M.O.C. #22947
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I have checked the tires and roof all is ok. Can't figure it out. Never happened before, I am just afraid something happened to my water tank.
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01-15-2021, 04:52 PM
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#6
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 192
M.O.C. #22947
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I hope you are right mlh.
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01-15-2021, 05:11 PM
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#7
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,548
M.O.C. #2283
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Quote:
Originally Posted by sunshine 1
I hope you are right mlh.
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I wouldn’t be too concerned. I would go out and check every thing out. The next time I pulled it I would let someone stay in the camper to see what they hear and pull a short distance and check every thing out again. If they hear nothing go a mile or so and repeat.
Be sure to check the suspension out.
Lynwood
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01-15-2021, 05:37 PM
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#8
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 950
M.O.C. #19630
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Are your rear jacks hydraulic or mechanical?
Year and model of trailer please.
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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01-15-2021, 05:55 PM
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#9
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,359
M.O.C. #4831
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He has a 2019 3120 and I bet it was a hydraulic jack doing its "stiction" thing.
https://lci-support-doc.s3.amazonaws...cd_0002091.pdf
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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01-15-2021, 05:58 PM
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#10
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Montana Fan
Join Date: Jan 2020
Location: Hilliards
Posts: 237
M.O.C. #25636
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It certainly sounds like a hydraulic "Bang" Probably just settling with the setup.
__________________
2020 MHC 330RL
2021 F350 DRW 6.7 Powerstroke
Retired and Rollin'!
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01-15-2021, 06:49 PM
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#11
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Montana Master
Join Date: Jan 2016
Location: STAYTON
Posts: 1,118
M.O.C. #18157
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Ya, It was a hydraulic jack.
Mark
__________________
“Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times.”
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01-15-2021, 09:29 PM
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#12
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 950
M.O.C. #19630
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And that ladies and gentlemen is why I asked about his rig.
So much idle speculation on these threads with our knowing where we start.
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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01-15-2021, 11:43 PM
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#13
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,359
M.O.C. #4831
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Quote:
Originally Posted by prndl
And that ladies and gentlemen is why I asked about his rig.
So much idle speculation on these threads with our knowing where we start.
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He does have his year and model listed in his Profile. 2019 3120
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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01-16-2021, 04:29 AM
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#14
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Montana Master
Join Date: Oct 2019
Location: Jacksonville
Posts: 2,137
M.O.C. #25165
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The need for anti-stiction fluid would be my first guess as well, especially since it appears to be mostly in the colder weather. However, one alternative that just recently happened to me when I stopped for the night and didn't unhook from the truck. The tires on the door side were barely off the ground and the suspension shifted. Scared the bejesus out of my wife when it happened. I recognized it right away as it has happened when I've raised the rig for maintenance. The center rocker shifts forward or back and caused a loud bang when the springs come back into position.
__________________
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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01-16-2021, 07:03 AM
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#15
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Montana Master
Join Date: Dec 2017
Location: Mountain Home
Posts: 838
M.O.C. #20949
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The hyd leveler system isn't going to make a loud bang... some pops and such but if the OP heard a loud bang then most likely what he actually heard is one or both springs as they rotated the axle to axle EQ arm shackles and banged into position...
Id have to look under the suspension on both sides and see if both sides look the same...
in seven years of use my hyd six point leveler system has never made a bang sound... pops and such yea but it isn't loud
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01-16-2021, 07:08 AM
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#16
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Montana Master
Join Date: Jun 2018
Location: Carson City
Posts: 2,017
M.O.C. #21963
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The loudest bang I've heard is when a black tank broke. It won't necessarily come through the coroplast, just fracture in place. OP, how full are your black and grey tanks?
__________________
2016 3160, Legacy, Sailuns, Splendide 2100 xc vented, 1 1/2" axle lift blocks, disk brakes. 2014 Ram 3500 SRW SWB 4X4 6.7 Aisin Mega Cab, EBC slotted disks and brakes, Titan fuel tank.
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01-16-2021, 07:18 AM
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#17
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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Quote:
Originally Posted by ChuckS
The hyd leveler system isn't going to make a loud bang... some pops and such but if the OP heard a loud bang then most likely what he actually heard is one or both springs as they rotated the axle to axle EQ arm shackles and banged into position...
Id have to look under the suspension on both sides and see if both sides look the same...
in seven years of use my hyd six point leveler system has never made a bang sound... pops and such yea but it isn't loud
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Or is one side lifted up almost to the point of lifting the wheels?
I think Chuck is on the right track
Stiction pops, shackles bang
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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01-16-2021, 03:22 PM
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#18
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 192
M.O.C. #22947
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Chuck is right, I have heard the poping before but this was two loud bangs.I went under and looked at the suspension,it looked alright to me, but of course I am not very mechanical inclined.
I looked over at were the black and grey tanks are located, it looked like the coroplast was bending down slightly. I can't figure out why I heard the two loud bangs from the rear of the trailer. If the black or grey tank came down on the coroplast would it be safe to drive? I am boon docking at the BLM in Why Arizona.
Thanks for all the help.
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01-16-2021, 05:19 PM
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#19
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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Quote:
Originally Posted by sunshine 1
Chuck is right, I have heard the poping before but this was two loud bangs.I went under and looked at the suspension,it looked alright to me, but of course I am not very mechanical inclined.
I looked over at were the black and grey tanks are located, it looked like the coroplast was bending down slightly. I can't figure out why I heard the two loud bangs from the rear of the trailer. If the black or grey tank came down on the coroplast would it be safe to drive? I am boon docking at the BLM in Why Arizona.
Thanks for all the help.
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if the tanks are being help up by the coroplast, you will not be going far
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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01-16-2021, 06:18 PM
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#20
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,318
M.O.C. #17894
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Sounds to me that the suspension was hanging just enough to invert the center equalizer/shackle. Look and compare the orientation of the center equalizer/shackle from side to side. Do they look the same ?
__________________
2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch. 5 step glow steps
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS
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