under coating a used truck

lenray · Dec 27, 2017

Looks like I am going to get a GMC from a neighbor that bought it last summer in Texas. No rust anywhere. Underneath is like it came from the factory.
Was wondering if I should have it under coated and if so what brands are the best to use.
I am in Rusty Michigan where salt is King.............

Mike M · Dec 27, 2017

I have been trying out Fluid Film on my car and so far it seems like it will do good. I would use that on the truck. It will swell up soft rubber weather stripping though. So try and keep it off those type parts.

kcm.MN · Dec 27, 2017

Many folks will coat their vehicles on the underside with used oil. Guess new oil would work just as well also. Here's a video of one guy and how he does it:
https://www.youtube.com/watch?v=CaBq7jtpyXw&t=682s

RLA · Dec 27, 2017

I'll vote for Fluid Film too, Just do it every Year..

lenray · Dec 27, 2017

How do you guys apply Fluid Film????? I see some small cans with a straw>>>>

MtMan · Dec 27, 2017

I bought a 2012 car in 2009. It was a very well taken care of car. It was rust free underneath so I decided to have it Z- barred. They check it yearly for free and so far no rust showing. I'm happy with the job. Yes the car came from MY State where they use a lot of salt.

RLA · Dec 27, 2017

It can be purchased in quart or gallon containers & it's also available in Bulk 15 gallon drums.
I use a quart container with a wand & air compressed & I've used my old paint gun..

tractorsam · Dec 27, 2017

I live in a very salted area and am a believer in an annual application of fluid film. Sam

WGM · Dec 27, 2017

What is Z-barred?

Perhaps you mean Ziebart?

Duner Wi · Dec 27, 2017

Fluid Film works good for me .
Do it every year tho and get to the hard to get to parts.
Inside the doors, rockers, brake lines and connections, frame in side. cab corners, over the rear wheel openings etc.

Louis A · Dec 28, 2017

I bought a 2012 car in 2009. It was a very well taken care of car. It was rust free underneath so I decided to have it Z- barred. They check it yearly for free and so far no rust showing. I'm happy with the job. Yes the car came from MY State where they use a lot of salt.

You bought a 2012 car in 2009? IMPOSSIBLE! I think you mean you bought a 2009 car in 2012!

under coating a used truck

lenray

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Mike M

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kcm.MN

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RLA

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lenray

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MtMan

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RLA

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tractorsam

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WGM

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Duner Wi

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Louis A

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