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Rusting Frame

HOTTWIN

By HOTTWIN
in Troubleshooting & Recalls

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2017SierraSLT Senior Enthusiast

2017SierraSLT

Posted
Posted
9 hours ago, ShamrockShooter said:

I'm not really sure I see the point in any of the applications. All the frame has little holes an cutouts so you can spray the outside all you want to look pretty, but the inside where you can see or spray will be just as rusty as the outside was. Am I off base on that?

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It is important to flush out the frame with a garden hose at least once a year to prevent accumulation of dirt and debris that can lead to rot inside the frame.

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Jim Prufrock
Jim Prufrock

Ok, I am new to this site but as a GM tech who has been pushed too far, its time the truth came out! I know for a fact in the northeast, there is a service bulletin #PI056E: and its titled wax coating

OldHobo
OldHobo

That's not acceptable! Looks like it was done by a blind man. I'd be back there demanding to know why they had the truck for 3 days and that's all they accomplished. I sincerely doubt it's GM's fault,

pm26
pm26

Well, now you see the GM manufacturing trend for these trucks. The idea is to produce a comfortable vehicle with a car like ride, silent interior, and loaded with gadgets. This is bound to impress t

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Akamule Enthusiast

Akamule

Posted
Posted
13 hours ago, ShamrockShooter said:

Wow, how many miles and what year is your truck?

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2014.  Had around 30k when I took that picture

  • 1 month later...
Jadis Enthusiast

Jadis

Posted
Posted
On 12/2/2017 at 12:35 PM, Akamule said:

2014.  Had around 30k when I took that picture

Damn mine looks the same as yours. Are you planning on doing anything? I've considered taking a wire wheel on a drill to the frame under the truck and then painting with POR-15 but I dunno if it's worth the hassle.

Beer Belly Enthusiast

Beer Belly

Posted
Posted

Do you launch a Boat ?....that looks pretty extensive

On 12/1/2017 at 11:03 PM, ShamrockShooter said:

Wow, how many miles and what year is your truck?

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sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted
Has anybody had the thought that maybe wax dipping is the future? You cannot stop nature from creating rust, fords trying with their beer can body's, but sorry shit decays. I had the moment when I noticed surface rust on my 56k truck, but then I realized it's surface rust, I live in the salt belt, and about the only thing I can do is what I did with my 04 and religiously wash it..in the end my 04 had mild rust, but in the 13 years of life it never looked like the titanic
The wax coat frame is a grand idea, and I bet it would work just fine...GM seems to have an adhesion issue, which is a preparation problem and not an issue with the coating itself.

Steve
2012 2500hd

Akamule Enthusiast

Akamule

Posted
Posted
On 1/12/2018 at 2:16 PM, Jadis said:

Damn mine looks the same as yours. Are you planning on doing anything? I've considered taking a wire wheel on a drill to the frame under the truck and then painting with POR-15 but I dunno if it's worth the hassle.

Had the dealer recoat it because it was still under the 3yr 36k.

 

Akamule Enthusiast

Akamule

Posted
Posted
On 1/13/2018 at 7:32 AM, Beer Belly said:

Do you launch a Boat ?....that looks pretty extensive

 

No boat, the truck was driven by a salesman at the dealer before I bought it so I’m guessing it just got driven in salt and never washed.

sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted
No boat, the truck was driven by a salesman at the dealer before I bought it so I’m guessing it just got driven in salt and never washed.
If it was a demonstrator, they get washed multiple times a week...

Steve
2012 2500hd

Colossus Senior Enthusiast

Colossus

Posted
Posted

yeah but how many of those car washes have undercarriage wash things as well?  So much salt and chemicals get up under the truck and can eat at things that way. 

sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted
yeah but how many of those car washes have undercarriage wash things as well?  So much salt and chemicals get up under the truck and can eat at things that way. 
If it was the dealer I worked at, it got hand washed nearly every day.

Steve
2012 2500hd

  • 3 weeks later...
Amart88 Enthusiast

Amart88

Posted
Posted

I have a 17 sierra, just looked the other day, slight spot of rust where the jack/hoist touches the frame.  Seems anywhere the wax coating is disturbed will rust very quickly. I had a 2015 Silverado, got a Krown oil undercoating done. never had any rust for the 2 years I owned it even with winter road salt.  I plan to get my new truck done soon.

 

Like already stated, it helps to regularly spray off the undercarriage especially if you live in an area that uses road salt. Highly recommend getting a rust proofing spray done.  (not fluid film though as from what I have heard will melt the wax off all together)

  • 3 weeks later...
churchy1313 Enthusiast

churchy1313

Posted
Posted

Just bought 4 cans of Dauberts Nox-Rustemoji768.png X-121B.

My frame has very little of the wax left on it.

Truck has always been in NC. 

Going to do it myself.

 

 

rocky66 New Member

rocky66

Posted
Posted

Just purchased a 2018 silverado 2500 hd a month ago and now noticing some surface rust on the frame in a few spots. Factory wax is not as bad as the 2013 gmc sierra 1500 I purchased new. I wanted to get the line-x undercoating but wasn't 100% sold and did not want to void the factory rust warranty, if that really matters. What would be the best course of action to stop this mild surface rust dead in its tracks?

Thomcat Senior Enthusiast

Thomcat

Posted
Posted

Forget undercoating......just spray any rust areas with Rust-Oleum RUST REFORMER comes in a spray can. Instantly converts rust to a protected surface....chemically converts the iron oxide to a rustproof compound with a flat black finish matching the existing frame coating. Sprayed the few rusted frame contact areas 2 Winters ago and still good.

  • Like 2
Sierra Jon Enthusiast

Sierra Jon

Posted
Posted
Forget undercoating......just spray any rust areas with Rust-Oleum RUST REFORMER comes in a spray can. Instantly converts rust to a protected surface....chemically converts the iron oxide to a rustproof compound with a flat black finish matching the existing frame coating. Sprayed the few rusted frame contact areas 2 Winters ago and still good.
Is this the right stuff? Box of 6. Thanks man!
https://www.amazon.com/dp/B00M0NT53S/ref=cm_sw_r_cp_apa_GL.NAbN7N31ES

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