Rust proof, diy?

modeler

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Hello from Ontario Canada

I plan some to do some rust proofing job myself, next spring.
Question: what part should spray what not?

I want to buy some hand pump sprayer like this, spray whatever I find that have good deal and good review.
2 Gallon Spot Sprayer (princessauto.com)
So which area that I should spray and which area should avoid and which area MUST NOT get even touched with chemicals?
I will only use this basic tool, or maybe spray can only, no hoist no ramp, just crawl under my jeep and cars. Is the plan going to work?
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areuriding

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Spray everything metal and you'll be fine. POR 15 is the best thing I've found for this. You can brush or spray it.
 

YippieKiYayMrFalcon

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A lot of people on here like Fluid Film. You can spray pretty much everything under there, just avoid the brake rotors and exhaust. If you do hit the exhaust, it’ll be fine but will smell pretty bad until it burns off.

Make sure you use the holes in the frame to get inside the frame tubing as well.
 

nU7OuxIx

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I did Fluid Film this year and have little rustproofing experience other than putting por15 and rustoleum on. While I can't talk about how well it stood up, I am extremely happy with the way it turned out.

The big thing for me is I didn't want anything permanent. I'm hoping that the heat of the Chicago summer will melt it all off and I can reapply it again.
 
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A lot of people on here like Fluid Film.
If you're spraying the underside of the Jeep, I recommend Wool Wax. It's made by the same company that makes fluid film, except it is much thicker and resists wash off much better.

Fluid Film all the way inside doors and other protected enclosures. WoolWax for the under-carriage and other exposed areas.
 
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modeler

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If you're spraying the underside of the Jeep, I recommend Wool Wax. It's made by the same company that makes fluid film, except it is much thicker and resists wash off much better.

Fluid Film all the way inside doors and other protected enclosures. WoolWax for the under-carriage and other exposed areas.
From what I checked, fluid film swollen the rubber parts, then how do you protect the rubber bushing, spring spacers, etc?
what product is absolutely safe on everything that I can just spray without worry about overspray?
 

nU7OuxIx

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From what I checked, fluid film swollen the rubber parts, then how do you protect the rubber bushing, spring spacers, etc?
what product is absolutely safe on everything that I can just spray without worry about overspray?
I've read that and I'm crossing my fingers that everything will be OK. So far, from what I read, others that have used fluid film haven't had any issues with it affecting rubber. Somebody said that the rubber that is used on bushings isn't pure rubber but more of a synthetic blend that isn't affected by fluid film (or normal grease).

I've had fluid film on for a few weeks now and one drawback that I noticed is you don't know if any fluid is leaking. It's a new vehicle so it's unlikely to develop a leak, but sooner or later it will. If you use fluid film, you may not be able to see that leak until it's on your floor or in the summer when you wash as much off as you can.
 
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