DIY How To Bondo Auto Body Repair (Tips and Tricks) To Prevent Common Problems with Body Filler

Auto body filler aka Bondo, polyester body filler, plastic filler, mud, etc. is used to fill small imperfections for auto body repair. A few common problems when using #bondo is over-grinding the metal on thin metals which thins and weakens the metal. Another problem is, well making a mess by getting it in cracks, gaps, holes, and places you don't need body filler. This takes a lot of time during the shading process to sand and clean the filler out of those areas. Body Filler - amzn.to/3tL52IG
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Welcome to Car Addict Garage. Here you will learn how to repair and paint your car. We'll teach you things about metal straightening, body filler, plastic repair, sanding, prepping, priming, painting, and more. So if you want to learn how to paint a car yourself, then you'll want to subscribe to this channel.
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Our Mission Statement: To inspire and teach others to spend their time productive doing a hobby that can bring meaning and good memories into their life. This could be to enable an individual with the skills to work on their own car, a father/mother and son/daughter project, or a career in collision repair.
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Car Addict Garage -
The information provided in this video is for educational and informational purposes only and solely as a self-help tool for your own use. It is the responsibility of the viewer to First read the Technical Data Sheet, Material Safety Data Sheet, and any other instructions for each product, tool, or equipment used and to follow the safety recommendations of the manufacturer. DIY Auto Body and Paint assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. There are no warranties or guarantees of the results of the viewer after watching this video. The results will vary according to each individual’s talents, knowledge, and skills.

[@CarAddictGarage]

Check current body filler cost at amzn.to/3tL52IG

[@moses.felanfelan6060]

Oooo

[@dreamythingyz8915]

Are u in chicago ?

[@davepeeters6518]

Link broken

[@johnnyjimj]

Great tips, Man! Masking tape to protect areas you don't want covered 👍, mixing the cream hardener before use to homogenize it 👍, removing the tape and filler drippings before it's fully cured 👍 For sanding I use a random orbit sander and to help find high and low spots I use a strong flashlight lighting the surface from a slant 😉

[@CarAddictGarage]

Check out my most recent video at goo.gl/aWzoPs

[@govindupandiripalli540]

suparab

[@georgetyler312]

The Butler s www.apple.com/ios/home/accessories/www.apple.com/ios/home/accessories/www.apple.com/ios/home/accessories/www.apple.com/ios/home/accessories/kkj

[@TheDawnofVanlife]

Thanks for getting right into it. A lot of Bondo videos I have been watching do a lot of blah blah blah instead of getting right into how to actually do the thing.

[@CarAddictGarage]

Join our community for more updates - kzbin.infocommunity

[@drummer_zay9493]

Thank you so much for this video sir. I'm a rookie body tech assistant and my lead hasn't really taught me much about the techniques of body filler spreading and sanding. This helped a lot. Cheers and thumbs up!

[@eudaimonia9260]

@Mike Duffany Why? Seems accurate to me

[@nelsonfernandez7473]

Man i love the way you explain the process, im a 56 year old man my son bought a new car and gave me his 99 single cab sport bed red xtream s10 that I always thought looked so cool im thinking of doing the bodywork myself, although it is a little intimidating, but I don't have the money to have someone else do it so im going to try thanks for your time

[@garrettbrothers6989]

I’m using bondo to fill gaps in a 3D printed part. I wasn’t expecting this to be so informative. I feel like I know what I’m doing now, despite being in a different area of work. Thank you.

[@ruthless_auto]

Bondo is just a cheap shitty store brand of body filler haha. Unless that is the brand you have then sorry sir. Evercoat makes the best in my opinion

[@meiccan]

has to be one of the clearest example of to make an to the point how to exploitation, Great Video

[@Justcruzinn]

Learned so much on this KZbin channel rather than auto-body school...keep them coming!

[@CarAddictGarage]

I am glad you liked the video. Thanks for watching!

[@watchlearndonttouch7034]

WARNING : just to let Amateurs know... you should always wear a proper respirator + Goggles when sanding or painting etc... unless you like chronic chest problems or missing eye syndrome , i would also recommend overalls , ventilated area , gloves , steel toe boots , patience

[@douglasgallardojr4759]

Thank you. Someone had to say it.

[@hoofhearted244]

Na takes to long get in the garage and send it

[@RonDeezie]

I've been doing this for 20 years, while smoking cigarettes and my doctor says I have the lungs of an 18 yr old. Different strokes for different folks smart ass

[@discodawg02]

I’m doing it outside, I’ll be fine ✋🏼 I’m also drinking beer, OSHA

[@carlossifontes8155]

Thank you 🙏

[@millsstonebrooks8568]

This guy ROCKS!. why? Cuz now you can buy a vintage car and know that you can bring it to back to life no matter how much its been modified. RESURRECT an old car and you resurrect the beauty, dreams and soul of the original owner -- the feeling you get when she roars again is priceless!!!

[@julien-pierredufresne2593]

thanks ! i started working in a body shop like 2 months ago and each time i try to lay the mastic and finition putty the other guys need to re-do the job cause i did sum' wrong, hope your tips will get me on the right way! thanks again!

[@soullessone4681]

nice im in the middle of some repairs just like this thanks for reassuring me i was doing alright

[@Del-Canada]

Dude. You are an artist. This is an art form. I absolutely cannot do this. I make a total mess every time. I need some body work done because of corrosion and some damage to a panel and I don't know where to start and can't afford to pay a pro at the moment so I have been watching KZbin videos. LOL

[@rait7071]

Glad to see you back great video thanks for the helpful tips you help me a lot

[@martinfarmer7986]

Hi. Thanx Thanx Thanx!!! Your video is just what I needed. Thanx again for the post

[@deeznutzz8375]

A Great idea for beginners! Keep up the great videos. I’ve been doing Body & paint since 1986. I’m glad I can do it now with the price of getting a car painted. Yikes. $10k +.

[@chrisdugan8167]

very helpful.. never was able to get the hardener, filler mixture right before now.. Thanks....

[@BEINGOOD77]

We are just starting to do this, on about a 100 little scratches, dings& rust. Had not heard of putty after Bondo. But I see the difference. Also, nice demonstrations. grill

[@itzdarian06]

Just started a job at a body shop. This helped a lot! Thanks man.

[@CarAddictGarage]

Great to hear!

[@clintcausey]

Super helpful I'm about to do some body work on my bike. Appreciate it!

[@sarahsmith4617]

Fantastic video, very helpful. Thanks for sharing.

[@Supercarlsunday]

Nice video, i generally knock the filler down with 80 grit then 120 then 240 ready for primer. Sometimes i just go strait in with a 120 then 240.. I just think the finer you get it before primer the less likely to get any scratches show through later on. Each to our own.

[@two-edged777]

Hey just wanted to say great video I'm pretty new at this Body work stuff and trying to work on my truck I bought two years ago 2002 GMC Sonoma. It only has 56,000 miles on it original so it seems worth it to try to keep this body going on it. Thanks again. Taught me alot already just watching your video. Have a great holiday

[@corey6348]

This is so helpful y didn’t we learn this in school lol can’t wait to use this at work

[@Anarchy-Is-Liberty]

Don't know where you went to school, but I did learn this in school!! Autobody and auto mechanics were required courses (for boys) in our school!! Of course, this was back in the late 70's and early 80's. Sorry everyone want's to be communists today, and have everything handed to them on a free silver platter. Kids don't learn shit today, and don't have the braincells god gave a goose!!!!

[@LDaniel_BDuce]

@@Anarchy-Is-Liberty Well, we learn this stuff if we go to VoTech. I’m personally not going because I’m focusing on the college path so I can learn more on stuff that will help me in agriculture. But even then, I’m still doing auto-body and mechanics. I’m learning a lot of the auto body stuff from KZbin, and most of the mechanics from my dad. Right now I’m working on our old farm truck, a 1965 Chevy C60 that’s sat for about 55 years doing nothing. The deal that my dad gave me is if I get any of our old trucks running I get to keep them. Currently I have 4 in line, the C60, a 1983 Chevy Silverado C10, 1977 F100 or 150 I haven’t looked at it yet, and a 1973 F600 It’s really fun to do and really handy when you’re car breaks down and need to know what’s wrong. Definitely going to be something I’m going to do if I have kids. Give them an old truck that doesn’t run and they get to keep it if they get it running.

[@uniquekustumsandrimshudson5220]

It's a training video I'm 45 been doing bodywork since 1999 I have learned stuff from everyone I do rims interiors bodywork I'm welding now and Aluminum lol and I wasn't trained at school or at a school so hey even if already know that simple go to the next video because I shit u know if stop thinking u know it all trust me u don't learn from everyone chemicals change technology changes managers change u will change lol don't get fooled u are always replaced ill take a less experienced tech with a good attitude then the asshole that believes he's the shit those techs that teach and share info or jump on the repair with u those bastereds are fucking amazing BODY TECHS

[@corey6348]

@@uniquekustumsandrimshudson5220 yea I keep reading books and watching videos to keep my self informed and updates on new stuff.

[@kyleengelke7321]

@@uniquekustumsandrimshudson5220 amen brother! Anytime I meet a tech that introduces themselves as an "A tech" instead of just a body guy, I laugh. I'm a body guy. I don't care about your letter, only your attitude and attention to detail and care for the job at hand.

[@rodrigo216]

great video, thanks for the demonstration

[@MonkeyBarsEveryday]

Awesome video. Thanks for the tips

[@dennisjj6529]

WOW....absolutely loved your vid and the commentary!... I have my own cars that need some work this summer...a 2007 Dodge Caravan and a 1994 Toyota Tercel. I was really stoked on your presentation ....thanks again

[@jrb6434]

Thanks for posting this.

[@chig9357]

thanks donnie i have learned a lot from you man!

[@shakostarsun]

Very helpful video thank you.

[@MrAudi220]

Nice calm and informative video,easy to follow.I started my first paint project on my daily,that has been body filled badly by the previous owner,filler is on to thick and the paint was orange peal,so not very good and it started to rust on some spots,so i'm taking matters into my own hands.😅

[@Creator_Nater]

Thank you for sharing this great info!

[@moegasim]

thank you.....been looking for hours on how to use masking when applying putty....excellent vid and very informative

[@CarAddictGarage]

I am glad you found the video useful.

[@shanepowers7566]

You gotta be kidding.

[@diegosalgado7501]

Thank you for sharing this video helped me out a lot

[@hermanh3414]

Thank you very much. A big help for me. I am in Central CO and lots of BIG hail.

[@canukdta3098]

very helpful thanks for sharing

[@sammygarcia9714]

rock on brother thanks for the tips liked the suggestion

[@jaimemendozajr3069]

Real helpful thanks brother

[@spore333]

Thx man!! A lot of help!!👍🏽

[@machia-mw1lm]

Thanks from NJ !

[@chrishuggins]

Good tip with the cloth feeling the highs and lows of the filler and metal. It takes years of developing the touch by bare hand.

[@CarAddictGarage]

lot of people like using that method. Thanks for watching!

[@moofushu]

You are a craftsman

[@Inalienablerights15]

You do a great job. Very clear and easy to understand. If you wore a T-shirt with your "Car Addict Garage" logo on it, it might remind your audience who you are throughout the video. Good promotional item, too! Nice background music.

[@danlewis6148]

Hi Donnie. Been following you a couple years now. You do great work. One thing I struggle with is doing filler in compound, tight curves like in bumpers especially under the tail lights where it curves. Also, Last generation Honda accords have 2 hard body lines in a compound curve. I had a job that took 3 hours to do the filler work because of that. Any tips/videos on that?

[@kudabesi3683]

What the greatest job

[@stevenvega6361]

NICE....appreciate the video!

[@craigholliday]

Thanks boss!

[@billarroo1]

Good tech video, thanks

[@davidprieto1383]

good job man!

[@beaurussell8218]

This is very helpful I have never done this before I had no idea you needed to put putty on top of everything

[@CarAddictGarage]

It is not required, but glaze putty helps and will not require as much primer surfacer.

[@Johnnysday]

Donnie, really nice presentation. You held my interest throughout the video. Nice music and great editing...

[@CarAddictGarage]

Thanks for watching.

[@Sekushii]

Great Video! Thanks for sharing!

[@CarAddictGarage]

Sekushii Adamina You're welcome, thanks for watching!

[@campeye1]

Nicely done video, really nice work!

[@CarAddictGarage]

Thanks for watching. I have a lesson on body filler you may also find interesting. www.collisionblast.com/body-fillers/

[@7caesar719]

Great job!!!!

[@Jerrodtong1997]

I went to the trade school to learn this this year and it's been the most fun i've ever had at school xD

[@johnwatkins3883]

Where did you go to school at or how? I want to

[@c50ge]

You will do well with this trade! Doing something you love doing. Don’t give your work away. When everyone you know expects a favor the fun disappears. Before you know it you will be retiring.

[@haldion7588]

awesome, many thanks

[@dettlingd1]

Tips! fiberglass resin thins out bondo so you can make it as thin as you want. Never lay up bondo thicker then 1/16" thick at a time or you will get air pockets in it and the paint will blister after a while. I use clean bondo dust and rub it on the final coat and this helps so your sand paper doesn't clog up so much. Just try to rub the dust on lightly while the bondo is still tacky.

[@KarKraftsman]

This is a tip for disaster, the fiberglass resin does not cure correctly and thats why you cant sand it without rubbing dust on it. If you need to thin plastic filler get the honey thinner made to do this.

[@SuperAvenger888]

just use supercharger

[@MrKaycleans4u]

Nice work

[@JibaroMotors]

great video

[@huntedbybears4545]

this is where I might consider wearing a mask

[@thomashorner7982]

This video was so satisfying to watch I’m not a car guy 🤔

[@joewoodward9863]

Great video! But I would as a suggestion use a paint stick or 5gal paint stick modified to sand this area....much better access to the fender so it's not as bulky as a block

[@jerrybushman]

With the blocking technique showed, you may as have just used a DA. Only when you have no other choice should you use a sanding block sideways. The block should move in line with it's length. With this being edge damage and it only being twice as wide as the block, the sanding motions should have been in a 'X' pattern. Blocking from lower left to upper right and vice versa. You will find the end result will come faster and more true. What's more, in my 33 years in the business I have never needed a guide coat. If I can't feel it, you can't see it. Blocking primer you can see the color and texture changes that really take the place of guide coat.

[@latouselatrec]

jerry bushman well a guide coat is good for newbies, it teaches them the feel

[@doctorwellsautobodyrepairs3952]

Hey you no alot thanks fuh d info

[@RobynTapps]

jerry bushman im a noob and the only guide coat i use is the primer i lay down to prevent​ rust over night.. use your hands not your eyes.. your sense of touch is better than you eye sight..

[@JU5TBL4ZE]

unless your primer is white, then you need a guide coat

[@curtneilious]

Never guide coat. There’s enough orange peel in the primer

[@ruthless_auto]

I like to lay a nice even coat making sure get it as uniform as possible and laying it on a bit on the thick side then before it’s completely hard I add filler right over my lows before I even begin any blocking or sanding. After that I DA with 40 grit to really get it knocked down then block with 80. Then I go from there

[@roberthiggins42]

You are the man thanks again brother....

[@CarAddictGarage]

You're welcome...thanks for watching!

[@DanoAuto1]

Reminds me of a mechanic shop that just took on a body repair.

[@tripodshits]

Thanks for the video one question what's the second song?

[@user-do2rl8dn8l]

I enjoyed watching your video…nothing really new to me except for your 2-part glazing putty…but well presented. My only question is, what’s with all the hand sanding? I would opt for a 2” or 3” DA sander or an in-line sander to get the bulk of the material off, then go for a 3 x 7 manual pad sander with vacuum dust collection. The dust collection is not necessary if you’re working outside or in an open shop, but it does reveal any little pin holes that could show up later in the paint. I always use compressed air to blow off the area, even if I am using a vacuum. Keep up the good work educating people about autobody repair!! Thank you 😎

[@randyhoepker7121]

Now I know the right way to lay down and sand body filler and putty!

[@CarAddictGarage]

Randy Hoepker Glad you found the video useful. Thanks for watching!

[@cooperjames1030]

Very useful

[@alekjuskevice]

Nice work. My only problem was that every t8me the music turned on I had to turn my volume off, them back 9n when you were talking again. Thank you!

[@91prostreetstang]

only question left with me is next time can you show the before damage so we get a mental pic of what your working with.... great video otherwise....inquiring minds ya know

[@ahdasick]

Thought the same, only cuz I’m curious how he tackles an area of damage. Like how far away he sands, what his rule of thumb is when tackling any damaged area. Love the vid tho

[@patsmith5236]

@@ahdasick he did in the video before this one- hammering out the damage

[@evertola3598]

Lovely Video! Excuse me for the intrusion, I would love your initial thoughts. Have you heard about - Tarbbatigan Cars Rehabilitation Tip (do a search on google)? It is an awesome one of a kind guide for learning how to repair your car the easy way minus the normal expense. Ive heard some pretty good things about it and my best friend Jordan got astronomical success with it.

[@772777777777777]

Can you post a tips tricks for door seam sealer to get factory beed seams

[@averagebogarage]

Good stuff. So high build primer next? Directly over filler

[@3MAuto]

great tips/tricks here

[@CarAddictGarage]

Thanks for watching!

[@wrsfdf123]

DIY How To Paint A Car School hmmm. C hi okk

[@MrMeangreen1310]

You remind me of Ricky Bobby and that is an awesome thing

[@brianaraluce3203]

You rock!!

[@keystastanciel6641]

My holes are too big on my truck to do it like this I used Bondo patches but it didn't work good doing that. I should of used adhesive fiberglass patches. Am almost ready to start sanding my truck soon though wanna see how it will turn out. But if I have to do it all over again gonna use the fiberglass adhesive patches to put over the holes then use some more body filler. This is the first time I did try to fix holes on a truck from rust and my truck is 14 years old and had built a lot of rust over the years.

[@351kostakis]

Fantastic

[@jm1551701]

Your video is very helpful, I know this video is old but I am glad I came across it, I have a 66 Chevelle I am restoring I have her stripped to bare metal, and have replaced what sheet metal had to be replaced, now I want to go over some of the little dings and dents, would you recommend the car be epoxy prime first, or do my BONDO ding and dents first, and also I have used Dyno-Glass it works great and is tough as nails when cured, so that is what I will also use as well on the dings and minor dents. what do you think? or should I just use straight BONDO, I do know the reg. BONDO is easier to sand, any help would be appreciated.

[@ProgressiveColors]

starting off with 36 grit sandpaper!! You're a bad man!! Most wouldve sanded all their bondo off!

[@kylebachman4477]

Most that don't know what they're doing.. Is always best to start with 36 . Esp when it's not set 100 % like he said. Anything less will not plain the surface.

[@namechange9470]

Nice job. Looks like a LOT of work. I better just scrap my current car and buy another one

[@Indiansmoke1]

Nice video . .

[@2superuser]

ok norm video thx ))

[@Harlanmote]

This is why you should take a magnet to the used car lot.

[@carmo9693]

Was looking for what to do right before you apply body filler, prep solvent , vs lacquer thinner?

[@markkrul3429]

I would have just buzzed it with 80 on the orbital and then blocked it out.

[@danielsweeney190]

I hope I can impress my boss by watching this and getting that good

[@lilbitzzybitz45]

Bro i feel you. Im 6 months in my first paint and body shop with no experience and my boss has kinda thrown me in and makes me figure it out.

[@spiralarray1969]

i like watch you mixing .very exotic way. yes.

[@MrDubi888123]

In Texas my bondo/glaze will dry in typically 1 minute :D

[@jaysi3372]

Thanks bro!

[@CarAddictGarage]

Any time

[@duckguide4109]

Ty

[@dcijams]

can you use wet/dry sandpaper, when filling small dents, @ bondo stage & putty?

[@BADMOPARCZ]

Thank you for making this video Donnie, it's very helpful for DIY guys like me. BTW Maybe you could mention the product you are using in future videos.

[@CarAddictGarage]

Thanks for the suggestion and the comment. Have a good one!

[@tracycolorado]

thanks

[@CarAddictGarage]

You're Welcome! Thanks for watching!

[@danhadamik7867]

another tip... I found that the filler, even when cured. will be tacky on the surface, and ca clog your sand paper. A trick I came across, is to wipe it down with thinner before sanding. Saves on wasted sand paper

[@michaelburnett89]

i may have some questions later when i get ready to make the repairs to a 98 mustang gt. car has passenger side fender peeled back to front of passenger door however flared front edge of door and caused a circular wrinkle just under side mirror, replaced fender with used fender from a salvage yard which was perfect and not wrecked. any suggestions would greatly be appreciated.

[@tobygathergood4990]

Thanks for the great video...but...THE best "trick" to using body filler...is not to use it at all, or to such a minimum amount that it is little more than pinhole filler, but that too can be remedies with body lead and correct metalwork.