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Frame Wax/Undercoating

eric.warner.549
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BuddyS Enthusiast

BuddyS

Posted
Posted

Basically all the crap about corrosion protection the GM is applying is a total bite in the ass for them. I wonder if they have any feeling of complete failure. I mean if you you post it publicly you better prove it, well its a little late for that. So pathetic, isn't it. Appanently they don't know what extensive means! Oh and they state "enhances the trucks appearance" LOL so hard that is hurts. These trucks already look 8 plus years old underneath. What a joke.

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Silverado-Hareek
Silverado-Hareek

Most likely. I swear this is the last first edition vehicle I ever buy from any manufacturer. If it hasn't been out for at least a model year or 2, I'm walking away.

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My 2014 Silverado z71 ltz was a lemon. The frame rust was the final straw. I fixed mine by trading it in on a new ram. After 25 years of GM trucks, I have to say that it was like losing an old frien

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Graphic

2015 Ram Sport Crew Cab 1500 4x4. Love it. My Silverado started showing problems after day one, little things, then bigger, then frame rust and that was enough for me. Took a loss, but I walso

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14SLTZ71 Enthusiast

14SLTZ71

Posted
Posted

Does anyone actually believe this?

 

I'm sure some do, I was being sarcastic when I quoted GM's statement. I guess manufactures can claim anything nowadays without worrying about repercussions. I guess the frame rust and undercoat flaking off enhanced the trucks appearance. lol

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Silverado-Hareek Senior Enthusiast

Silverado-Hareek

Posted
Posted

Basically all the crap about corrosion protection the GM is applying is a total bite in the ass for them. I wonder if they have any feeling of complete failure. I mean if you you post it publicly you better prove it, well its a little late for that. So pathetic, isn't it. Appanently they don't know what extensive means! Oh and they state "enhances the trucks appearance" LOL so hard that is hurts. These trucks already look 8 plus years old underneath. What a joke.

 

If you read their advertisement for the upgraded corrosion protection, it only applies to the body and says nothing about the frame. So technically, they're correct in their public posting. Sh!tty, but correct. Only a seasoned GM owner who knows about the wax coated frames would catch that they left this out of their advertisement so to the general public, they get away with it.

pm26 Senior Enthusiast

pm26

Posted
Posted (edited)

 

If you read their advertisement for the upgraded corrosion protection, it only applies to the body and says nothing about the frame. So technically, they're correct in their public posting. Sh!tty, but correct. Only a seasoned GM owner who knows about the wax coated frames would catch that they left this out of their advertisement so to the general public, they get away with it.

Is GM technically correct in advertising their trucks as being "like a rock"?

Edited by pm26
Silverado-Hareek Senior Enthusiast

Silverado-Hareek

Posted
Posted (edited)

Is GM technically correct in advertising their trucks as being "like a rock"?

 

They haven't used that slogan since like '99 haha! I guess you could argue they've quietly backed away from their "like a rock" claim over the years.

Edited by Silverado-Hareek
The Zip Senior Enthusiast

The Zip

Posted
Posted

As an original owner, I bought a '87 Thunderbird Turbo Coupe Demonstrator model and the undercarriage was sprayed with a Line-X type coating. After 28 years, the coating is still there.

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14SLTZ71 Enthusiast

14SLTZ71

Posted
Posted (edited)

Silverados corrosion protection measures provide superior defense against elements in the environment, whether driving through farm fields, on construction gravel, or down a snow-covered highway, said Mark Yergin, engineering group manager, General Motors Corrosion Engineering and Labs. The new Silverado is our strongest truck yet, affording us the confidence that the truck will continue to meet customers needs throughout its life.

Additional 2014 improvements over previous models include:

All new body structures designed to minimize the potential for corrosion

Improved hem flange sealing on the doors and hood, and additional underbody flange sealing help keep the joints of the truck dry, discouraging deterioration that might occur from moisture

***Extensive and improved chassis corrosion protection that enhances the trucks appearance and lengthens the life of underbody components

Anti-chip protection on the lower body side for extra protection from stones or gravel.http://media.chevrolet.com/media/us/en/chevrolet/news.detail.html/content/Pages/news/us/en/2013/Sep/0905-silverado.html

Edit: the strange thing is, I haven't been able to find this same info about the 2014 Sierra. On GM's media site I could only find it on the Silverado.http://media.gm.com/media/us/en/gm/news.detail.html/content/Pages/news/us/en/2013/Sep/0905-silverado.html

If you read their advertisement for the upgraded corrosion protection, it only applies to the body and says nothing about the frame. So technically, they're correct in their public posting. Sh!tty, but correct. Only a seasoned GM owner who knows about the wax coated frames would catch that they left this out of their advertisement so to the general public, they get away with it.

Haven't we been thru this before, they specifically state "chassis" and guess what, the chassis consists of the frame.

"An example of a chassis is the underpart of a motor vehicle, consisting of the frame (on which the body is mounted)."

Edited by 14LTZZ71
Silverado-Hareek Senior Enthusiast

Silverado-Hareek

Posted
Posted

Haven't we been thru this before, they specifically state "chassis" and guess what, the chassis consists of the frame.

"An example of a chassis is the underpart of a motor vehicle, consisting of the frame (on which the body is mounted)."

 

Have we? Haha sorry I don't remember reading that but I guess it does state it. I thought there was promotional video that showed them spraying the rock-guard and stuff and the frame was never addressed from what I remember. Anyway I don't know how it can be improved it's a worse wax coating than what they used to use.

20L8TSierra24 Senior Enthusiast

20L8TSierra24

Posted
Posted

Does anyone think this issue from the factory may have stopped after certain build dates?

Build dates 03/14 and up have an additional clear wax sprayed over the black stuff. Its a lot harder and I have 0 issues with rust on mine.
14SLTZ71 Enthusiast

14SLTZ71

Posted
Posted

Build dates 03/14 and up have an additional clear wax sprayed over the black stuff. Its a lot harder and I have 0 issues with rust on mine.

Probably what was suppose to be done at the start of the 2014's but GM figured they would save a few bucks on the early builds.

nadrojcote Senior Enthusiast

nadrojcote

Posted
Posted

My frame is horrible looking, The entire thing is orange colored with surface rust. I have not see any other new vehicle look this bad. Not even my 2005 tacoma that had to have the frame replaced due to rust. I plan on pressure washing it good this summer and getting under there and doing a good job at painting some sort of frame paint on it. I am not a fan of the thick gunky undercoating.

Clocked92 Enthusiast

Clocked92

Posted
Posted

My truck was an August 2014 Build and I have found that the frame is rusting where there were welds or joints. The flat surface of the frame itself seems to be holding up alright. I know it's just cosmetic and the frames not going to rust through and break but it sure is annoying.

pm26 Senior Enthusiast

pm26

Posted
Posted

These frames are made of relatively thin walled C channels with some fully boxed in sections where the stresses are the greatest. Even though the frame is not likely to rust through for a number of years, it should be properly protected from corrosion, including the welds. It is not exactly made of two inch thick plate steel.

Silverado-Hareek Senior Enthusiast

Silverado-Hareek

Posted
Posted (edited)

These frames are made of relatively thin walled C channels with some fully boxed in sections where the stresses are the greatest. Even though the frame is not likely to rust through for a number of years, it should be properly protected from corrosion, including the welds. It is not exactly made of two inch thick plate steel.

It's a fully boxed frame, not c channels. That's one of the reasons they dip it in wax to properly coat the interior surfaces of the boxed frame.

 

 

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Edited by Silverado-Hareek

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