How to Rust Proof your Vehicle at Home like a Professional

How to apply an oil or wax spray to your vehicle like a professional, but at home. For this, I’m using my 2006 Dodge Ram as an example. Considering that I live in Canada where my truck is exposed to salt, I want to make this truck last as long as possible. Applying some form of an oil or wax spray is a great way of protecting your vehicle, this will help reduce the chance of components rotting out such as brake lines, fuel lines, floors, frames, rockers, etc. This also maintains the value of your vehicle when you decide to sell it. #rustproofing #autobody #dodgeram

Amazon links for rustproofing gun shown in video:

Tools/Supplies Needed:
-pressurized oil/wax spray applicator gun
-wax/oil spray rust proofing solution
-mask
-gloves
-safety glasses
-tarp
-air compressor with pressure regulator
-bucket of hot water

Chapters:
00:00 Intro
00:36 Application Gun
01:48 Preparation
02:41 Cleaning up any Rust
03:10 Applicator Gun Setup
04:13 Applying the Coating
10:41 Coating when Done

Procedure:
Before applying the oil, I took my truck to the local carwash which heats their water, making the removal of any previous spray or dirt easily wash off. I also used my multi-purpose cleaner to spray the underside of the truck to help cut into the build-up. Let it dry for a couple of days.

I'm using an oil and wax hybrid mixed coating. I wanted something which would creep and penetrate seams like oil but has a thick self-healing non-drip coating like wax. I have a 3.8L can of coating, the container for the gun holds one liter, I used about 3L or 3.2 quarts in total on the truck. Ideally, it’s best to do this when it’s warm so the coating flows better. The day of the application was about 10C or 50F, to help the flow of the material, after filling the container, I placed it in a bucket of hot water.

For the air compressor setup, this is a 6 gallon compressor. I used the moisture separator on another regulator to remove any washer which may cause application issues. I found the pressure is best between 90 to 100 psi, however, this may vary depending on the fluid thickness.

Park your vehicle in an area where it doesn’t matter if you get any oil spray on the ground.

Using the cavity style wand, you’ll find various slots or holes created from when the frame was manufactured, insert the wand fully inside. Then squeeze the trigger, applying spray inside the frame while pulling the wand out at the same time. The speed at which you pull the wand out will depend on your pressure and fluid settings. Using the same hole, you can work ahead of the hole and to the back of the hole. Based on the wand length, this will depend on how far of an application it can apply. Continue doing this for the whole frame. If you’re working with a unibody vehicle, the same process can be applied to the vehicle's structure. While a unibody doesn’t have a frame such as this truck, you’ll still have subframes and enclosed structural components along the floor with possible rubber body plugs that can be removed to access the inner surfaces. Areas, where you do not want any coating applied, are the brakes, exhaust, and drive belts.

On body, starting with the front and working my way back. Remove the headlights, this allows for better access behind the front fenders going through factory holes in the body. Do this for any hidden structural components and behind any body panels. This application is done to the doors, hood, fenders, bedsides, tailgate, trunk, etc. Other lights can trim components that can also be removed to assist in the process.

Spray the exposed visible areas as the final step. This would be the underside of the floor, frame, cross members, brackets, springs, axles, the backside of steel bumpers, etc.

The coating will appear to have a wet finish once done, products will vary, some may drip, others won’t. For this particular product, do not drive the vehicle or let the coating get wet for 4hrs. Depending on how much your vehicle is driven, the thickness of the coating, product used, and environment, an application maybe required once a year, every other year, or it may last longer.

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© 4DIYers 2013
All Rights Reserved
No part of this video or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of the author.

[DIYers]

Amazon links for rustproofing gun shown in video:

[somewhatmyself]

Super helpful. Thanks. Exactly the kind of instructional video I need. Right pace, right info, no BS.

[americanmambi]

Excellent video, no weord music or nonsensical talking or gibberish

[DIYers]

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[jlittsey]

I’ve never done this before but with this in-depth video I can now plan how to treat my baby.

[thomasbartlett]

Nicely done video! Tip, Use a "Presto" electric crock pot to heat the oil to 100C then spray it on. Oil/wax mixtures spray beautifully at this HOT temperature. Use extreme caution not to burn yourself..

[rogerwhiting]

National Park Service uses a mixture of boiled linseed oil...candle wax. and mineral spirits...on EVERYTHING. There is a good video on it on here.

[nickduggan]

Wow a 2006 and its 2020. Obviously this really works wonders

[nickking]

100% . I like to use some thin oil in August then some chain bar oil and cooking oil in sept or October the cooking oil makes tac up after a few days done right and annually you truck will last . I just restored a 2011 f150 4x4 welded in new rockers and cab corners touched up paint re did brakes and new strut rebuild differential. I drilled several 1/2 holes in my rockers and new cab corners and pillars and sprayed them also and will be doing it annually the entire truck The job your doing is fantastic getting all the boxed sections awesome, you won’t get level of coverage if you farmed it out

[josecafe]

I've been spraying my truck in the same areas that you do. I just flush out the frame and body panels with water first a week before I spaying the material. Moisture activates salt. Dirt holds moisture.

[jameshendrix]

you don't need a fancy expensive spray gun. I just use a long nose wand style sprayer about $10.00, get some chain oil, thin it out will varsol and I get some candle wax. put it in a pot heat it up so its sprayable. for about $30.00 I can make about 8 litres or 2 gallons, enough for 2-3 cars

[DaveC-sxgl]

I have the same spray gun as you which I purchased to apply Fluid Film under my car. I have found that the Fluid Film leaks badly from where the 3 hoses attach to the gun. I have resorted to wrapping the fitting with a cloth and taping around the cloth to prevent it from unraveling. The cloth by the end is absolutely soaked with Fluid film. Better on the cloth than on my driveway.
Also, the small opening requires a funnel to add Fluid Film inside the metal bottle which is a slow process.

[mvrdamonxy]

You did a hell of a good job i only hope they do it this good at the Krown rust place thats where im taking my truck

[gary_neilson]

I just wash the underside of my car at the do it yourself wash at least once a week or after a snowfall and salt coating on the road. Been working great.

[susie]

Found this helpful. And very thorough. Thankyou

Although I have read that 2-3 coats is recommended. Can you speak to this at all? (Yes I realise this is quite a laborious process which is why I'm asking - if I went to that much trouble I'd want to know I was doing it right)

[donvoll]

G day from Ontario Wow If u hd to pay someone to do this it would cost 4-500.
Good job
Ths

[heffptbo]

what is the oil that you used? Wax/oil, where did you get this from?

[IbanezGuitarz]

What kind of rust proofing did you use? I may have missed it. Thank you!

[ureasmith]

Nice gun. I just saw the price on it. Pricy. Good job on staying ahead of rust.

[ompenarnie]

For others asking about the oil mixture used: He's previously used a mixture of linseed oil and wd40. Fluid film and cosmoline work great. I have used spray cans of rp342 and it's very easy.