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07-05-2017, 06:32 PM
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#1
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Have you checked your fenders
I got under my new rig and saw that someone had manufactured a few speed nuts for behind the screws holding the fenders. Whenever I see someone doing extra work on a new rig it's a red flag. Sure enough they had stripped almost every screw on the curb side and fixed those they thought they couldn't get away with. This has come up on here many times over the years and the normal fixes are to put bolts on or just to use speed nuts (they are sometimes called spring nuts) on the screws. Did that to my old rig and they lasted six years no problem. Now I've done it to the new rig.
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07-05-2017, 06:37 PM
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#2
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Yes Dick a very common problem, too common.
Lynwood
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07-05-2017, 09:36 PM
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#3
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Seasoned Camper
Join Date: Mar 2017
Location: Menifee
Posts: 73
M.O.C. #19585
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Nuts about nuts
I had the same experience on my 2017 3730FL. Just driving 50 miles home from dealer, lost 7 of the 22 screws holding my 4 pieces of fender in place. Replaced them with #12 SS sheet metal screws, and haven't had any more problems. Called dealer who said they always check them. I say BS.
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07-06-2017, 02:08 AM
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#4
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Montana Master
Join Date: Nov 2005
Location: Paola
Posts: 5,739
M.O.C. #4961
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3 Montana's and the same with each one. The first thing I do is put a little RTV on the back side of the threads and that fixes it.
__________________
Dennis & Linda Ward
Paola, Kansas
Montana 3735MK Legacy Edition
1200 watts of Solar
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07-06-2017, 05:42 AM
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#5
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Montana Fan
Join Date: May 2016
Location: Ishpeming
Posts: 214
M.O.C. #18650
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My 2016 High Country 375FL had 10 of the fender screws backing out. I put speed nuts on and not a problem since. Someone posted about the same problem a while back ( thanks for the solution)
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07-06-2017, 07:39 AM
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#6
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Montana Fan
Join Date: Jul 2015
Location: Fort Wayne
Posts: 477
M.O.C. #17609
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Yep I carry a bag of small bolts and acorn locking nuts to replace them as they strip out.
__________________
2016 Montana 3160RL w/MOR/Ryde IS and Disc Brakes
855W Solar System, TriStar MPPT-60 Controller, Magnum 2800W Inverter, 6 Trojan T-105REs
2015 Chevy Duramax SRW SB Crew Cab
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07-06-2017, 07:47 AM
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#7
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Montana Master
Join Date: Feb 2004
Location: Brandon
Posts: 3,944
M.O.C. #1034
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A regular supply of speed nuts now occupies my tool box and it's one of the first things that needs to be done to your new rig. Just did our third unit, no worries now.
__________________
Darwin & Maureen DeBackere
Minnedosa, Manitoba, Canada
2011/3500/Silverado/4x4/DRW/Duramax 
2017/3721RL/Legacy Pkg./Pressure-Pro 
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07-06-2017, 09:37 AM
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#8
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Montana Master
Join Date: Jul 2010
Location: Lake Havasu City AZ.
Posts: 1,811
M.O.C. #10552
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2X on the speed nuts. Finally bit the bullet and replaced all of them.
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07-06-2017, 05:32 PM
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#9
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,329
M.O.C. #3699
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Add locking tabs to all screws and then put a dab of silicone seal on each speed nut to stop them from ever getting loose.
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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07-06-2017, 05:37 PM
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#10
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Common problem and has not changed since my 2006 3400.
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07-06-2017, 10:07 PM
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#11
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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As soon as I brought the 5er home I bought 15 SS 8X32 bolts, 15 nylon nuts and 30 washers. The beginning and end of each fender section is replaced 1st then as they loosen.
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07-07-2017, 06:05 AM
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#12
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Montana Master
Join Date: Aug 2012
Location: Northport
Posts: 624
M.O.C. #12724
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Quote:
Originally Posted by CaptnJohn
As soon as I brought the 5er home I bought 15 SS 8X32 bolts, 15 nylon nuts and 30 washers. The beginning and end of each fender section is replaced 1st then as they loosen.
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X2 Those skirts flop around so much it shakes the screws out. I also use the ss 8x32 screws and acorn lock nuts. Paint screw heads and good to go.
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07-07-2017, 06:11 AM
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#13
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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2008 and 2012 Montanas both purchased new and haven't had this problem and we are full-timers. 
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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07-07-2017, 07:10 AM
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#14
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Quote:
Originally Posted by psomers
X2 Those skirts flop around so much it shakes the screws out. I also use the ss 8x32 screws and acorn lock nuts. Paint screw heads and good to go.
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To stop the flop ~~ I went to the scrap yard and got a piece of vehicle door weather stripping. Attached at the openings where the wind is scooped at 65 mph and that almost eliminated it.
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