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08-16-2016, 07:24 AM
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#1
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Montana Master
Join Date: Jan 2013
Location: Bridgewater
Posts: 1,196
M.O.C. #13166
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Axle U bolts
I looked in the Dexter booklet that came with my Montana to determine the torque for the U bolts and found a list of torque settings for the different sizes of U bolts. So, I took my calipers out and measured the U bolt to be 1/2". The torque for this size, if I'm looking at things correctly, is 45-70 ft. lbs. I set my wrench for 60 ft.lbs and torqued them down. 3 of them were considerably loose. If not for the MOC, once again, I probably wouldn't have checked these. I believe my Montana would have shaken apart by now while cruising down the interstate if not for the knowledge here. Does that setting sound about right and how often do you check yours?
__________________
2010 Montana 3455SA, Mor/Ryde pin, wet bolts, TST 507, Progressive HW50C, GY G614
2019 Silverado D/A 3500HD LTZ DRW CC
B&W Companion
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08-16-2016, 11:19 AM
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#2
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,722
M.O.C. #12947
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I check mine annually and I torque them to the full 70 ft lbs, which must be done with the full trailer load on the springs. I'm sure Dexter torques the nuts properly at their factory, but until the axle assemblies are installed on the frame and the trailer is fully loaded with that weight on the axles, the springs have not flexed, where the springs are a little straighter and the nuts can be tightened again to the proper torque, which it doesn't seem is being done at the Montana factory, still.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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08-16-2016, 12:25 PM
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#3
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Once a year.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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08-16-2016, 12:59 PM
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#4
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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That's the range that I set mine to way back when. John
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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08-17-2016, 08:03 PM
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#5
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Montana Fan
Join Date: Apr 2014
Location: Eureka
Posts: 276
M.O.C. #14208
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Great Forum Question. I never thought of checking that. I will definitely check the torque on those bolts before my next trip.
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08-18-2016, 12:54 PM
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#6
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Montana Fan
Join Date: Jun 2013
Location: Boise
Posts: 288
M.O.C. #13564
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Thanks!! As I was reading this I got up and checked mine, They were loose and two needed 1 full turn. Will be leaving next week for a trip from Idaho to Northeast and then down to Florida so may have saved me some stress!! Thanks for the knowledge!!
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08-18-2016, 01:30 PM
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#7
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Montana Fan
Join Date: May 2016
Location: Massillon
Posts: 437
M.O.C. #18658
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Ditto IRetired!
Keystone owner relations told me once a year on suspension bolts and wheel bearing greasing.
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