Easiest Way to Remove Underbody Coating

Рет қаралды 116,135

7 жыл бұрын

In this video I show you two ways to remove underbody coating and which I think is the best and least time consuming, way. 1. Heat gun and scraper. 2. Air scraper/wirewheel. No matter which way you do it, this process is going to be messy and take some time. Obviously it would be best if you could sand blast or media blast, but hey, your watching this video because you didn't chose one of those options. **Remember this is just my opinion with what I read on the forums and what I had available. So here is what I think the best and easiest way to remove this old crappy underbody coating.
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@allwheelnissan4126 5 жыл бұрын

After countless hours with a heatgun/torch/chisel/scraper/oxide discs/etc I've found that using a wire wheel with very short wires that won't "lay down" works very well. With decent pressure it destroys everything in it's path and will take things down to bare metal instantly. So quickly that the underbody coating comes off as dust. It won't heat up and/or smear around. No acids/strippers, goo, multiple layers to remove. Cheers

@nakamura5831 3 жыл бұрын

where did you get that the wire wheel

@kopiwerks 2 жыл бұрын

Been using this method and the dust smells pretty toxic....it also creates some kind of blue smoke that has got me concerned about my lungs. Pretty effective method if you are in a well ventilated area

@RegulerShowTV 9 ай бұрын

angle grinder & wire wheels are great for a lot of things, their downfall is you gotta protect your lungs from the dust they create. don’t risk your health for a car repair people, get proper respirators & do it right!

@WhiteBoiJake 3 ай бұрын

I’ve been using wire wheel too

@djbit2007 7 жыл бұрын

Your videos helping me get motivated to continue with my project 240z. Thanks!

@StewartMotoring 7 жыл бұрын

Thank you, I appreciate it. I've got a Snapchat now. I'd love to see your project. Snapchat: BuiltNotBoughtZ

@Jimmy2Jacketz 4 жыл бұрын

I used a harbor freight multi tool with scraper blades and once the rubberized came off. I used a twisted wire cup brush. Worked like a charm

@oldscar6169 6 жыл бұрын

Eastwood sells a product undercoat removal its made with citra safe, coats in a foam, let it soak, scrapes off easy with a 45 deg scraper,

@markblades4536 4 жыл бұрын

Great video Mate, superb info, I'm just debating if I take mine off

@markblades4536 3 жыл бұрын

Decided to take mine off in the end, used a vibrating multi tool in the end with a thin chisel blade on, was a lot easier than I thought, your videos are a great source of info, thanks for your efforts shooting them 👍

@markblades4536 3 жыл бұрын

On Insta project_fairlady_z if u want to see pic 👍

@theverylastpodcast168 3 жыл бұрын

Multi tool was a life saver

@remedyz1568 7 жыл бұрын

I used a blowtorch for it. Once most of it is off, used a knotted wire wheel for the rest.

@whyiterp 8 ай бұрын

ya can use a torch its quicker just move the flame around kinda quickly in 1' x 1" area for a about minute and then scrape whats left comes off with acetone and steel wool no damage to metal comes super clean and ready fro a 1 or 2k primer/topcoat

@robertinfanzon6187 5 жыл бұрын

Great tip, thank you!

@jamescorless8283 4 жыл бұрын

Good vid, I gotta do my jeep ! Thanks!

@NyxNick 6 жыл бұрын

Thanks for this trick!

@SupramanTRD 2 жыл бұрын

Thank you for the video. I'm removing the undercoating from my evo, so I can sandblast and restore the car

@fr0ilan 6 жыл бұрын

I just got done doing this a couple weeks ago on my project. For people who don't have a decent compressor to keep working with an air chisel, you can use a multitool with a scraper blade. I mostly used the propane torch and a hand held scraper. For the residue, I heated those up with the torch before hitting it with the wire wheel. It took me a whole week to remove the whole underside of the car and inside the wheelwells. It's not very fun at all.

@julianhernandez8026 6 жыл бұрын

Great tip.... thank you

@elijahperez159 3 жыл бұрын

I've never seen any kind of blasting remove any resin like substance. I have seen people use dry ice on the interior resin, sound deadening stuff though. It flaked off very easy once frozen. I've seen it on tv but never tried yet.. I've been wanting to give it a shot

@Dolf260z 6 жыл бұрын

that air chisel works a treat! I've done all the interior sound deadening in my car, now i need to do the under body sealer, and i'm not really looking forward to it, especially that its around 47°C here in Sydney now! (that's 117°F to you!)

@StewartMotoring 6 жыл бұрын

Wow I have never experienced heat like that. Gooood luck with that as well as the underbody of the car. I do not miss doing that! Mine was super oily and nasty

@Afan9917 Жыл бұрын

Great work. Do you recommend undercoating? I saw some videos on KZfaq suggesting undercoating is not beneficial to resist rust and might trap moisture? Please suggest?

@MindDezign 7 жыл бұрын

you need a thicker putty knife then that one you have a heavy duty version of that then just scape I found that the old under coat on Z cars will just scrape off with a heavy duty sharp and keep it sharp scraper. Heat can just make it messy but in some areas just may be what you need. good video keep that car progressing. I almost have both of my Z cars floor and chassis completely welded up so I'm happy to be able to soon turn it right side up for good ha!

@StewartMotoring 7 жыл бұрын

Sounds like more elbow grease haha. I'm sure it works fine, no matter what it's not fun and takes a while.

@cambec 6 жыл бұрын

best way is a pneumatic needle scaler. Harbor Freight sells one for $55. Low cost and it gets into the tight spots very well.

@iTubeYouView 5 жыл бұрын

Absolutely. Saw your comment, went to Northern Tool, picked one up for $22 (ironton). Had both of my wheel wells cleaned out in under an hour. By far the most efficient way. Thanks for that.

@jeffstutzman1145 2 жыл бұрын

Needle scaler worked really nice,followed by a stiff wire wheel

@Johnsormani Жыл бұрын

You can use diesel or brakecleaner to clean it up

@karlclintsman2950 2 жыл бұрын

Awesome video man. But if user a non metallic scraper do you don't scratch up everything underneath.

@williamdouglass7864 3 жыл бұрын

The best way I've too do it it too buy a hand grinder at harber fright and use it with the wire wheel come off so much easier

@mjm7187 3 жыл бұрын

thanks for the tips

@StewartMotoring 3 жыл бұрын

You bet!

@topwater1976 7 жыл бұрын

power always helps lol... bout the way I do it I used map gas then wire but taking it off cold is a new idee!! fosho!! ..check ya later buddy ..toppy

@dcarspeed 4 жыл бұрын

Amazing video hands down! Thank you! What did you coat it with after stripping it all?

@StewartMotoring 4 жыл бұрын

Diplude I used a truckbed liner. I have a video for that too

@krimocoucou4716 2 жыл бұрын

hi gentleman, i wanted to know where you bought your pneumatic scraper, if you could put a link to find it? thanks in advance

@hectorromero3536 5 жыл бұрын

Sweet thank you sir that’s what I’m going to be tackling for the next few weeks getting rid of all the old undercoating putting new Now I can do it with confidence and know I’m doing it right👍🏼

@sleeks9939 5 жыл бұрын

Aircraft stripping works well for me.

@hectorromero3536 5 жыл бұрын

Sleek S I don’t know what aircraft stripping is but can I just look up a KZfaq video and attempt it ?

@sleeks9939 5 жыл бұрын

@@hectorromero3536 you sure can. There is a video of two gentleman who use it on a blue Datsun 240z. Works great.

@sleeks9939 5 жыл бұрын

@@hectorromero3536 look up paint stripper on bed liner 240z.

@hectorromero3536 5 жыл бұрын

Sleek S oops I looked it up and I didn’t know that aircraft stripping what’s the chemical you can use but that works really well and undercoating to remove it also??

@simonwalls9397 10 ай бұрын

Thinners or gun wash takes the little bits of underseal off after using scraper messy but satisfying lol

@samhain6953 2 жыл бұрын

I'd be curious as to how much weight you've reduced from the car.

@jamesward5721 Жыл бұрын

Waft a Map gas torch over it. The heat/flame makes it brittle. Then use whatever you prefer to whip off the burnt coating - it takes no time at all once you have flamed it. You are down to bare metal in a jiffy. If you encounter deep factory seam sealer, the same method works best - burn it, then scrape. You then no longer spend ages mucking about with sealants/coatings - they all become a doddle. If you hit real thick filler on a panel, same method works fastest - burn it off. It gets you back to bare metal real quickly.

@roberttown2816 3 ай бұрын

Bit of white sprit to wipe off the left over bits

@tthams73 3 жыл бұрын

Oven cleaner work great! Spray, let it sit, scrapes off clean

@StewartMotoring 3 жыл бұрын

Thanks for the tip. Would be worth at least trying

@adrianrenshaw4439 2 жыл бұрын

@@StewartMotoring did you give the oven cleaner a try?

@StewartMotoring 2 жыл бұрын

Nope

@myoneblackfriend3151 7 ай бұрын

I’d like to recommend an air needle scaler. My inexpensive Harbor Freight scaler did the trick. Each fender (1957 Chevy 3200) took about an hour.

@StewartMotoring 7 ай бұрын

I’d be careful with that though, it can lead to many little dents into the sheet metal. Obviously not critical for underbody, but still, not ideal

@myoneblackfriend3151 7 ай бұрын

@@StewartMotoring Thank you for the caution. I figured any tiny dents would come out when sanding down to bare metal with 80 grit. I will double check that because maybe they won’t. Again, thank you.

@bruce33 2 жыл бұрын

Gasoline melts undercoating. Soak it down, then scrap or scrub with a copper scrub pad then wipe up the goo with paper towels. Fairly fast and a ton cheaper than Goo-gone.

@RipRoaringGarage 2 жыл бұрын

I wish aircraft remover was still sold...Im tempted to use my last bottle to get this crap off. Its such a bad product in my opinion...but I guess for people that never wash their car and only want it lasting 10 years its fine...things that go to 50 years or more should just be washed and dried... Ill look into your tip. Looks a lot easier than the chisel (i did that in my second to last vid and the one Im editing now lol...Im working on a 74 Ranchero)

@p__jay 5 жыл бұрын

Dry ice blasting....much better than sand blasting and in no way abrasive!

@enok82 3 жыл бұрын

Thanks for some really good tips. I you want to hear them i have a few tips on the video production. Keep the music down and don't cue it for every little segment where you're not talking. Think of it as something that will help for longer segments where the "travel" might become booring.

@StewartMotoring 3 жыл бұрын

I’ll keep that in mind thanks

@benmcbride-davids7233 3 жыл бұрын

Its easy here in australia its already hot so we just get a rag and it falls off haha or when it is a bit harder just use brake cleaner and a rag and it falls off

@StewartMotoring 3 жыл бұрын

Lmao

@nicholasvswild 10 ай бұрын

go blues

@possle 2 жыл бұрын

Haven't watched it yet but I've done the drivers floor pan on my 82 golf two knotted wheels on a angle grinder. Took just under an hour, and some sore forearms

@randhirjohal3421 4 жыл бұрын

This is where I'm coming from I have underseal in the engine bay which I want to remove, but I don't want paint to come off Please reply Joe

@aleksiesko885 4 жыл бұрын

try giving it a lot of heat with a heat gun/blowtorch and then when the stuff is soft shift it around as much as you can with a towel and after that try some really VERY strong industrial solvent on a towel and it might wipe off pretty well, of course depending on the coating that you have on there

@aleksiesko885 4 жыл бұрын

i've also heard that using floor wax removal stuff might work pretty ok

@chrisnas4 3 жыл бұрын

Sheet off the area and sandblast.

@Akshay-vq1uv Жыл бұрын

Two questions Is underbody coating beneficial? Why are you removing it?

@StewartMotoring Жыл бұрын

It was dirty, filled with grease/oil, and wanted to remove to check for hidden rust. Otherwise yes it is very beneficial. Acts as a sound deadening for rocks and is a durable surface for long term.

@daishi9000 4 жыл бұрын

did it work on the inside floors?

@StewartMotoring 4 жыл бұрын

I used dry ice for the floors

@Irvine7214x6apc Жыл бұрын

Very informative video, thank you so much! The fastest way is obviously the vibrating scraper, but could I use with similar results a powerful wire wheel? I intend to put extra sound insulation on the wheel arches (on the chassis itself, not the plastic liners), so the protective coating has to come off completely.

@StewartMotoring Жыл бұрын

I didn’t have good luck with the wire wheel alone, but hey, it may work for you!

@jnunez1203 6 жыл бұрын

6:28😂😂😂

@ahood60 6 жыл бұрын

Does paint stripper work????

@StewartMotoring 6 жыл бұрын

That will probably make a mess of it

@RideAcrossTheRiver 2 жыл бұрын

Would not lacquer thinner take off that coating?

@StewartMotoring 2 жыл бұрын

Possibly but seems like a lot more elbow grease/mess

@RideAcrossTheRiver 2 жыл бұрын

@@StewartMotoring Yeah, mine looks like it's BBQd on there.

@KiranPatel-fk1pg 5 жыл бұрын

Couldn't paint Striper remove the undercoating?

@StewartMotoring 5 жыл бұрын

I doubt it

@psi3000 4 жыл бұрын

try a vibrating multi-tool with a blade...

@psi3000 4 жыл бұрын

www.harborfreight.com/oscillating-multi-tool-62866.html

@StewartMotoring 4 жыл бұрын

Did you watch the full video? I ended up using a very similar tool. But I did just buy a Kobalt oscillating tool so that will be nice for future use.

@funhumanusa 11 күн бұрын

Or go get it dry ice blasted. $$$, works perfect.

@702justin702 7 жыл бұрын

Sandblasting is by far the quickest way.

@konjiki240sx 5 жыл бұрын

What type of media do you use?(I don't want to remove metal.)

@bigears4426 5 жыл бұрын

702justin702 blasting in most cases make it soft again , unless a brittle bitumen it may come off

@SAPRI1000 7 жыл бұрын

Can anyone give me the part number for the Snap on air-chisel?

@StewartMotoring 7 жыл бұрын

PGS1004. One on eBay selling for 80 bucks.

@SAPRI1000 7 жыл бұрын

Thanks bro.

@brianknight8726 Жыл бұрын

3 words. SAND BLASTER

@StewartMotoring Жыл бұрын

That can warp metal

@YodaKnows1977 6 ай бұрын

Hot pressure washer 230 degrees off in seconds

@brianknight8726 Жыл бұрын

My bad 2 words

@rmee5165 2 жыл бұрын

if it comes off from compressed air... fine, otherwise it is firmly affixed,... if you need a heat gun to remove, you're wasting your time.

@StewartMotoring 2 жыл бұрын

Could be hiding rust which would be the reason most remove when doing a full resto.

@jimmygrant3212 5 жыл бұрын

The harbor freight air chisel is complete garbage. Best to buy a used higher quality air chisel.

@jasonthomas4801 4 жыл бұрын

if its that hard to get off i dont see the point of removing it

@StewartMotoring 4 жыл бұрын

Probably not necessary but most people do when they do a full restoration. Mainly to keep it from catching fire with all the welding and to put some new underbody coating on