Undercoating with hydraulic fluid?
- Thread starter DaveK22
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I have never heard of this. Are you not thinking of using oil? That is fairly common. Many hydraulic fluids are water based and might be able to absorb water, and therefore not a very good anti-rust.
In my opinion, forget the oil under the car trick. Instead, use rustoleum or similar treatment. It is what they are built for and they work great for it. Oil has to bee reapplied often, usually several times a winter season if you are doing a good wash down after salting.
Rustoleum is a paint and stays there.
In my opinion, forget the oil under the car trick. Instead, use rustoleum or similar treatment. It is what they are built for and they work great for it. Oil has to bee reapplied often, usually several times a winter season if you are doing a good wash down after salting.
Rustoleum is a paint and stays there.
SSt4r
New member
I use used peanut oil. It WILL wash off in high water spray areas (wheel wells) but after some time it dries to more of a waxy substance. It IS messy to apply but is a "natural" oil - not worried about spilling it on me or the environment. It has worked well for me in some of the areas that are prone to rust.
I've used spray-on coatings (paint - undercoating) and the rust seems to grow underneath them and then a lot just flakes off.
I'm going to keep using the used peanut oil for now (have plenty of it that I'd have to get rid of some how anyway).
I've used spray-on coatings (paint - undercoating) and the rust seems to grow underneath them and then a lot just flakes off.
I'm going to keep using the used peanut oil for now (have plenty of it that I'd have to get rid of some how anyway).
Kubota Yota
New member
Makes sense, but your truck would look like it has dirty drawers in about 2.5 seconds once you hit the dirt
Try Waxoyl, there are places that do it for you with full cleaning of the under carriage. Pretty expensive though.
Heres a place you can try if your close enough
Waxoyl--the best rustproofing for your British automobile
.
Heres a place you can try if your close enough
Waxoyl--the best rustproofing for your British automobile
.
chitown40
Member
I like to use Fluid Film. Not super-cheap, but it works pretty well.
Fluid Film® | Corrosion Preventative, Lubricant and Rust Inhibitor
Fluid Film® | Corrosion Preventative, Lubricant and Rust Inhibitor
badattitude
Member
I use Fluid Film as well and love it. I get mine from ebay, its best to buy 6-12 cans at a time.
Some great ideas. However, so far I like the idea best about Rustoleum paint because seems like you could still do an underneath power spray wash without removing the protectant.
I have had splendid results. My runner's po clearly took care to wash it down, but it did spend it's early years in PA and had some areas to address. Mostly rear tires back where the wheels shoot water and salt up into the crevices. I took a wire brush to the areas and then sprayed with rustoleum... Not a problem since. The flat black matches the original factory metal coat so closely, you would have to be nose close to tell.
