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 > Rusty 2017 Newmar Mountain Aire Don't let this happen to you

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Tom/Barb

Oak Harbor, Wa

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Posted: 06/03/18 08:58am Link  |  Quote  |  Print  |  Notify Moderator

That'll buff right out.


2000 Newmar mountain aire 4081 DP, ISC/350 Allison 6 speed, Wrangler JK toad.

MountainAir05

New Mexico

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Posted: 06/03/18 09:53am Link  |  Quote  |  Print  |  Notify Moderator

You also could bead blast it clean, then seal it. Do not use sand.

Tom/Barb

Oak Harbor, Wa

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Posted: 06/03/18 06:09pm Link  |  Quote  |  Print  |  Notify Moderator

MountainAir05 wrote:

You also could bead blast it clean, then seal it. Do not use sand.


That's a lot of work, and you will miss some, and it will be back. you miss some, then cover it will continue and covered you won't see it.

wash it as best you can, treat it, watch it. the bottom of the coach chassis takes a beating the covering (what ever you use) will get chipped away, So it is a continual fight to keep it nice.

I'd bet that 99% of the coaches that are 5 years old or better have corrosion, and the owners never looked.

MountainAir05

New Mexico

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Posted: 06/03/18 06:38pm Link  |  Quote  |  Print  |  Notify Moderator

Tom/Barb wrote:

MountainAir05 wrote:

You also could bead blast it clean, then seal it. Do not use sand.


That's a lot of work, and you will miss some, and it will be back. you miss some, then cover it will continue and covered you won't see it.

wash it as best you can, treat it, watch it. the bottom of the coach chassis takes a beating the covering (what ever you use) will get chipped away, So it is a continual fight to keep it nice.

I'd bet that 99% of the coaches that are 5 years old or better have corrosion, and the owners never looked.



Yes I agree , do the best you can and watch it.

gonesouth

Tatamagouche, NS

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Posted: 06/04/18 02:48pm Link  |  Quote  |  Print  |  Notify Moderator

Bottom Line, The current damage is minor. Next time follow Bruce's rules to limit exposure to salt and brine. He's an experienced Newmar guy and if he feels that extent of precautions is necessary when buying Newmar I'd believe him.

To remediate this problem, get the underside power washed using fresh water. Then spray with a rust converter product. To decide which one talk to some old tractor or old car guys. They deal with old rusty parts all the time and want their restored unit looking new, so you need their experience to end up in the same place.

I'd then set up a maintenance program to inspect the underside every six months and do another round of rust conversion. If there's too much new rust at six months, shorten the time span. Or go longer if you're ok with the current rate of decay.

What you have isn't serious, but you are a couple of years farther up the curve than you paid for. I'd not recommend your dealer to friends or use them again.I'd also ask the dealer to pay for the treatment.


Currently planning for retirement.....planning to build a small home in Nova Scotia for summers and someday year-round. Trying to sort out a good way to spend winters in central Florida as I can't drive anymore.

doxiemom11

New Mexico

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Posted: 06/04/18 02:58pm Link  |  Quote  |  Print  |  Notify Moderator

Salt air in the coastal state will cause rust too. Doesn't even have to be driven anywhere.

wolfe10

Texas

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Posted: 06/04/18 03:58pm Link  |  Quote  |  Print  |  Notify Moderator

doxiemom11 wrote:

Salt air in the coastal state will cause rust too. Doesn't even have to be driven anywhere.


Very true. I just did a mechanical inspection on a coach that had spent most of its life very close to the Gulf of Mexico. LOTS of rust. Very sad, as it was a nice coach otherwise. Ferrous metal and salt air "don't play nice together".


Brett Wolfe
2003 Alpine 38'


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Bruce Brown

Northern NY

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Posted: 06/04/18 04:49pm Link  |  Quote  |  Print  |  Notify Moderator

gonesouth wrote:

Bottom Line, The current damage is minor. Next time follow Bruce's rules to limit exposure to salt and brine. He's an experienced Newmar guy and if he feels that extent of precautions is necessary when buying Newmar I'd believe him.


This has nothing to do with being a Newmar, it's anything that is exposed to the brine being used on the roads today. ANY vehicle exposed to the brine will suffer the same.

The OPs MH was clearly driven in a heavy brine, you can see it in the pictures.

In this case so far it's nothing more than surface rust. I honestly wonder how much will clean itself off once driven in normal conditions. Driving in the rain is a wonderful way to wash and flush the underside of a vehicle.

I'm on the road for work, I drive through a bunch of rain. For my vehicles rust hasn't been much of an issue. My wife drives a mile back and forth to work, we've started leasing her car, and brine is a big part of why.


There are 24 hours in every day - it all depends on how you choose to use them.
Bruce & Jill Brown
2008 Kountry Star Pusher 3910


Pirate

Northeast Tennessee

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Posted: 06/04/18 05:38pm Link  |  Quote  |  Print  |  Notify Moderator

Tom/Barb wrote:

RustyNewmar wrote:

Dear fellow RV'ers, here is a link to the pictures from underneath our brand new Mountain Air. Please note most of these shots were taken by the dealer prior to us taking delivery !

https://imgur.com/a/7InJw

Thank you, Paul & Kim.


I do not know how much Newmar has to do with how a coach is treated or used after sale. Your pictures show mostly chassis parts that are rusted. It looks like the rust is mostly surface rust, and not a safety issue.
If this were my problem, I would spray the whole chassis with THIS Then keep an eye on it. see more rust, spray it again.

This stuff works well applied with a small garden pump up sprayer.
They sell a sprayable rust convertable but I can't find any outside reviews for this stuff. Also, MSDS says not to breath vapors so looks like it will need pro install/application and not DIY homeowner.

GREGORYJ

Lac Du Bonnet, Manitoba

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Posted: 06/04/18 09:04pm Link  |  Quote  |  Print  |  Notify Moderator

I would not be happy after seeing this as well. To me, the dealer let it sit too long after the RV delivery with road salt on the chassis. When,or if, they washed the chassis, it appears weeks had already gone by. The dealer should at least cover the cost of a professional rust prevention procedure, possibly a few times over the warranty period. You are currently not a happy Newmar customer, Newmar should at least suggest the dealer cover this cost, or maybe they even share the cost with the dealer. You are both Newmar's & the dealer's customer and have been a good customer for Newmar after owning several other Newmar RV's.
This is what is used to protect the large highway salt trucks in our area from road salt damage:
http://www.rustcheck.com/
I have it applied to my vehicles.
I don't see a locations in your city(only Duluth) , but there are locations is some other northern states.


Ellen & Greg
08 National Dolphin DL-35Ci
Workhorse W22 FMCA # F431548


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