How To Replace a Heater Core and AC Evaporator in a Gbody

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  • Опубліковано 11 вер 2024

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  • @ClassicGBodyGarage
    @ClassicGBodyGarage  7 років тому +3

    Follow Classic Gbody Garage for the latest project updates! Thanks everyone!
    Subscribe: ua-cam.com/users/classicgbodygarage
    FaceBook: facebook.com/groups/classicgbodygarage/
    Instagram: instagram.com/classicgbodygarage/

    • @53slyder
      @53slyder 7 років тому +1

      This is my project for the day. (heater core) Thank you for the refresher course. Subscribed

    • @bendynamic2150
      @bendynamic2150 2 роки тому

      @@53slyder Mine I think just blew or something around it did and I have a coolant leaking out of the bottom and a bit into the cab of my El Camino around that area and a old family friend who grew up with this tuff to9ld me it was probably the heater core. Glad this guy is around

  • @zackmiller4157
    @zackmiller4157 9 років тому +16

    Thank you so much! I've been working on my 81' El Camino and somehow managed to break one of the stock brass tubes on the heater core. I bought the part today and I was laying in bed tonight and came across this video; I jumped out of bed, got my shoes on and went and replaced the heater core and just now (12:45am) got back to bed without the dread of having to change it tomorrow. Thanks a million!

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  9 років тому +2

      Haha that is awesome man! Thanks for watching and following my channel.

    • @pablolopez1967
      @pablolopez1967 3 роки тому

      Is it the same process on 88-MC ss?

    • @jsljjlsl1027
      @jsljjlsl1027 3 роки тому

      @@pablolopez1967 yes it is. Always take pics before starting to use as reference when putting it back together..

  • @gurmitdhaliwal6779
    @gurmitdhaliwal6779 Місяць тому

    Great video no time wasted right to the point just made my day I was so upset I have to replace my heater core and thought it was going to be a nightmare under the dash and everything thank you so much for sharing this video

  • @angingls656
    @angingls656 4 роки тому +2

    30 year truck mechanic here....this was great assistance while working on my ‘85 MC SS. Thanks for the vid.

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  4 роки тому

      Awesome!

    • @jimhamilton4721
      @jimhamilton4721 3 роки тому

      What did you use as a sealant on the heater box ? I’m about to do mine and was thinking regular window silicone ?

  • @jalapenotruck
    @jalapenotruck 19 днів тому

    Awesome video. Simple and straightforward

  • @bendynamic2150
    @bendynamic2150 2 роки тому +2

    Thank you so much I am so glad that you post this stuff. Really helps me fix stuff myself on my 85 El Camino. My heater core (or something) in my AC/Heater unit broke and I have a coolant leak issue. This should help me find the problem, replace the part, and do it right. Thanks a bunch man!

  • @sunnygabriel7147
    @sunnygabriel7147 7 років тому +2

    Thanks for this video! I'm in the process of getting my grandad's 86 ElCamino back to glory. Even if I don't do the work myself, it's good to know what needs to be done. Appreciate you.

  • @Ivansatrip
    @Ivansatrip 3 роки тому +2

    thank you so much ! I have a 1983 Buick Regal 4 door and my heater core started leaking from the bottom of the car I thought it was going to be a nightmare to change but you made it look so easy!

  • @AutoAuctionRebuilds
    @AutoAuctionRebuilds 7 місяців тому +1

    Look where I ended up! I need all of these videos lol.

  • @84gp455
    @84gp455 3 роки тому +3

    Excellent job on how to video Brian . I just Took my cover off to change the heater core which has been in there for 37 years in my 84 GP. It was the original factory core! I would like to add an additional step which was left out. You have to remove the brackets for the chrome valance because they are in the way. They are 7/16 nuts 😁

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  2 роки тому

      Yes removing those would help out. Thanks for the feedback.

    • @mattbartolovich8228
      @mattbartolovich8228 Рік тому

      What is the almighty secret on making it a heater last all those years?

  • @grindsoul
    @grindsoul 2 роки тому +1

    Thank you for this. I started to experience water on my floors after rains. Friends who own Gbody's told me I need to clean that drain by the blower motor right away because its clogged and letting rain water enter my cab through the floor vents which will eventually rot out my floor. I have been trying to figure out how the hell I have been getting water in my car for months now. This video helped me see exactly where I need to get my hand in to clean that flapper valve. Thank you so much brother.

  • @mrlencho7686
    @mrlencho7686 2 роки тому

    You are the man seen many of guys set those springs and struggle with screw drivers and struggle. Great play by play!👍🏼🇺🇸

  • @fooledman
    @fooledman 4 роки тому +2

    Many thanks for this video. I've used this as a guide to replace my heater core which had blown out recently.

  • @agreymond7440
    @agreymond7440 8 років тому

    This video was very well executed and full of good information. It's always a good thing when you watch a video on how to properly do something without hearing someone say" This thang there sits right next to that thingamajigs!

  • @85ssontharocz1
    @85ssontharocz1 Рік тому +1

    Old video or not I was able to get my box out in one piece, thanks for the vid!

  • @orlandocortez1893
    @orlandocortez1893 4 роки тому +1

    Damn lol I've been working on my dad's 1979 Chevy Malibu wagon and this video is exactly what I was looking for. Thank you so much man. Amazing video and help. You're angel sent from heaven for this lol

  • @daredevil7442AUTOMOTIVE
    @daredevil7442AUTOMOTIVE 9 років тому +3

    So,,,that's how it's done. good instructions

  • @mrc5425
    @mrc5425 8 років тому +1

    Excellent video! I have seen many of them and this video is clear, easy to understand, and covered all the information to do the job in a very efficient manner. Keep up the excellent work!

  • @elizj713
    @elizj713 3 роки тому +1

    Good information, Thanks.

  • @jesusellyerzepeda2566
    @jesusellyerzepeda2566 3 роки тому +1

    Creat videos!.. my dad owned a 79 oldsmobile cutlass and I found one similar last fall and im trying to get it working properly to pass her on to my son one day

  • @robertf4108
    @robertf4108 6 років тому

    This process is very similar to the C body, and probably B body. It’s actually a little simpler on the C body; no chrome trim plate to remove. Watching this helped me change the heater core on my 83 Coupe deVille.

  • @pablomercade5965
    @pablomercade5965 2 роки тому

    Great video on how to Replace the AC evaporator, Thanks

  • @thunder1road
    @thunder1road 5 років тому +1

    awesome video - this will help me heal the A/C system in my 79 Malibu.

  • @87SSBOI
    @87SSBOI Рік тому +1

    Great vid CGBG!!! Always coming thru with the helpful content!

  • @wickerman9569
    @wickerman9569 3 роки тому +1

    Thanks for the info. Just what I needed to see. 👍🏻👍🏻👍🏻

  • @mr.f.9134
    @mr.f.9134 2 роки тому +1

    gonna tackle hearter core replacement as mine is leaking.... loved the video however i wish you could have showed the blower motor removal.. just undo some wires and some screws im guessing and squirrel cage comes out? never done one of these change outs but have done lots of my own work on this car,,, thanks for your time,,, df

  • @exibuchay1695
    @exibuchay1695 3 роки тому +1

    Excellent explanation.
    Thanks.
    I have a 78 El Camino and I want headers. That's a big evaporator box. So close to the exhaust manifold. But the heater core is bad and I have to do this anyway. Thanks again

  • @Never2Loud
    @Never2Loud 5 років тому +1

    Very helpful. I actually changed the heater core in my '80 Monte about 4 years ago. Darn thing must've been a cheap make because it just stared leaking again. I'll be going back under the hood soon. Watched your video to refresh my memory. Appreciate the butyl tape suggestion. I like that better than the silicone goop stuff I used the last time. Thanks for posting.

  • @robertwilson4400
    @robertwilson4400 7 років тому

    Put in the evaporator core worked out great

  • @diabolosgunner
    @diabolosgunner 6 років тому +1

    Omg I legit have the same car in the supreme so glad I found this video

  • @yabasvlog3439
    @yabasvlog3439 Рік тому +1

    Great job

  • @ronniethode8036
    @ronniethode8036 3 роки тому +1

    Thanks for putting the video going to be helpful

  • @chrome077
    @chrome077 8 років тому

    Thanks for putting this video out. It made my job much easier.

  • @timhall6583
    @timhall6583 4 роки тому +2

    Great job, Thank you

  • @maccmanloccs1105
    @maccmanloccs1105 5 років тому +1

    Your videos well appreciated man I got a 1984 Chevrolet Monte Carlo lowrider and everything in that a/c heaterbox was bad your video help me thanks much from Dayton Ohio....need more videos on anything& everything Gbody I have a 1981 Regal I gotta bring back to life also

  • @mikedugan4989
    @mikedugan4989 3 роки тому +1

    Well I have a clue. The book attempts to cover too many Models, and addresses only those that are not equipped with A/C. The book directs removal of the "Front Module" then removal of the Heater core. What you worked on is a match for what I'm looking at. Thanks !

  • @MariaGonzalez-ei1pv
    @MariaGonzalez-ei1pv 4 роки тому +1

    Your videos are awsome ,you have so many,can even count them .amazing

  • @richardsanchez7535
    @richardsanchez7535 7 років тому

    Concise and detailed. Great how-to video. And thanks for the help, sir.

  • @claudiasteinhauser7027
    @claudiasteinhauser7027 7 років тому

    Nice job on the video - clear and easy to follow. Thank you.

  • @dsaint9264
    @dsaint9264 3 роки тому +1

    Your videos are the best thanks man 👍🏼

  • @khrisknocturnal4903
    @khrisknocturnal4903 8 років тому +2

    Very informative and very helpful!

  • @charlesmartin7347
    @charlesmartin7347 4 роки тому +1

    You sir have earned a big ol dammit boy from Fort Worth Texas.
    Great video
    Blessings and more Blessings to you and your family

  • @supersport1331
    @supersport1331 8 місяців тому +1

    Very helpful thank you @ClassicGBodyGarage

  • @SurferJoe71
    @SurferJoe71 8 років тому

    Great in depth install guide

  • @suewatson1912
    @suewatson1912 2 роки тому

    What a great informative video. Anyone who loves G-bodys need to sub to this channel.

  • @bossgoon115
    @bossgoon115 6 років тому +2

    Nice and very detailed 👍🏽

  • @ace.kuztoms.613
    @ace.kuztoms.613 6 років тому

    Thanks for the informative video. I successfully changed my heater core.

  • @lvallejo88
    @lvallejo88 9 років тому +4

    Man bro I got to say you're videos are really helpful a big thumbs up! love you're videos ben wachn them for a long time now. I love the fact that u make tutorial videos on g bodys that's how I lern how to do things to my 1983 cutlass supreme. keep the good video's goin and keep thos g bodys rolling! like u say! much love and respect from way out here in FRESNO. CA

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  9 років тому

      Luis Vallejo Much appreciated Luis! Love helping you fellow Gbody owners out.

  • @jaycuff530
    @jaycuff530 4 роки тому +1

    Nice video thanks

  • @111eido111
    @111eido111 7 років тому

    Thanks, I was just working on a Caddy and they are very similar if not the same. You vid came in very handy. Great Job.

  • @HunchoGaming762
    @HunchoGaming762 6 років тому

    Thanks for the video I changed my heater core within 2 hours first try

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  6 років тому

      Awesome! Glad my video helped you out. I will be doing a heater core on the Grand Prix I recently bought.

  • @terrancewilliams5076
    @terrancewilliams5076 Місяць тому

    very helpful

  • @bbwphantom
    @bbwphantom 8 років тому

    Good vid, came in handy for my 84 Grand national.

  • @kevindunson8946
    @kevindunson8946 Рік тому

    great video

  • @jayinla81
    @jayinla81 4 роки тому +1

    A video on how to recharge AC would be cool.

  • @charlesmartin7347
    @charlesmartin7347 7 років тому

    Great video thanks for sharing your knowledge I really appreciate you God bless you

  • @ChasD
    @ChasD 7 років тому +1

    Excellent tutorial Brian! It has just helped me get to my heater core and evaporator.
    Couple of things I would add - on my 1986 Monte Carlo SS, there's two more small screws holding the top half of the airbox lower down in the center of the top half, as well as all those around the circumference. Also, after removing the scuttle trim panel, I also had to remove the two brackets on the passenger side to make enough room for the top half of the airbox to clear when removing it upwards.
    Lastly, @9.15 when fitting the evaporator, there is this black goop that is being used to seal the inlet. What is this black goop and where can I get it from?

  • @ttlezama
    @ttlezama Рік тому +1

    Thank u

  • @tennakey4494
    @tennakey4494 8 років тому

    Good video

  • @keongreer2880
    @keongreer2880 Рік тому

    Thanks

  • @theCosmicQueen
    @theCosmicQueen 2 роки тому

    i must have blinked and missed you showing how to replace the heater core. And didn't see how you used the black sealant goo for the cover of the box. i wish you would have shown it.

  • @JayScott7172
    @JayScott7172 9 років тому

    3M Strip Calk works well for this too. It's a smaller diameter. The butyl tape can be kinda thick to compress at times.

  • @robertcarrasco2504
    @robertcarrasco2504 4 роки тому +1

    Thx for the info great stuff 👍

  • @lytleric
    @lytleric Рік тому +1

    A couple of questions: Is your cover broken and if so, did you reinstall as is? It looks like there are pieces missing. (You can see this at 11:20 in the video.) Second, did you remove all the old butyl sealant before laying down the new? I have a leak into the passenger side footwell of my 1983 Caprice whenever it rains or I wash the car, and I think this seal is where it is coming from.

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  Рік тому

      This was a while ago and do recall the cover being broken as someone was in there prior. I left is as is and added more butyl in those places to seal off any cracks etc. Yes I clean off the old sealant. Many times the actual heater box is leaking where it seals to the firewall but can come from other places. Door hinge bolts, the rubber boot for the power options, windshield. Just need to hunt it down. Its not easy.

  • @dudeloc3617
    @dudeloc3617 8 років тому

    I'm fent to change mines today thank for the video u made it look easy

  • @TA455
    @TA455 7 років тому

    Excellent! Thanks!

  • @999thenewman
    @999thenewman 9 років тому +1

    If you complete the A/C work, you can stay extra cool while doing those burnouts ;-)

  • @javisburston1648
    @javisburston1648 3 роки тому +1

    Great video i learned alot Thanks. I have a 84 monte carlo ls i put a 350 in it what all wires work the heater core ?

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  3 роки тому

      There are no wires that work the heater core itself. Wires will run the fan but hard plastic vacuum lines will run the vents in the dash.

  • @jonsworld5307
    @jonsworld5307 8 років тому

    good video I'm going to be doing this soon

  • @RobHVAC
    @RobHVAC 9 років тому

    Great video.

  • @ar4s1
    @ar4s1 8 років тому +1

    Are the small vacuum lines that attach to that ball shaped canister available? I have a small pink one specifically that has crumbled but I might as well replace them all.

  • @robertoalicea8776
    @robertoalicea8776 7 років тому +1

    Hello there! I bought an 88 cutlass supreme classic and there's a white mist coming out of the heat vents when the heat is on. I did a little bit of research and from what a gathered, I think it might be the heater core. What do you think?

  • @misterbuddyboy
    @misterbuddyboy 6 місяців тому +1

    Do you use the window butyl tape all around the box or just up against the firewall where the screen goes

  • @viarella3434
    @viarella3434 9 років тому

    Just did my heater core last oct. 87 monte ss.. I got a open air. Cleaner like yours but every time I put it on and I got t is vacuum lines that run from the carb in the old air cleaner i plug them. And my car runs like shit.. I don't have any other lines to plug cause I got long tube headers put in and got rid of shit I didn't need.. My car is very well taken care of just broke 99,000 engine never beat up on.. Got a elderbrock intake manifold hedmen headers long tubes and true duals into flows now bout to put comp cam with lifters push rods springs and double sprocket timing chain heavy duty high performance..

  • @jonbennett118
    @jonbennett118 9 років тому

    Never seen that done before. One day i may try to install the AC back into my Trans am. Very informative thanks! How you learn all this are you a mechanic?

  • @rporestorations
    @rporestorations 2 роки тому

    These cars are (fairly) easy to do.

  • @mariobell9476
    @mariobell9476 Рік тому

    Hey my ac evaporator is intact and full of refrigerant but I think the evaporator has a crack because with the ac on u can feel a lot of cool air blowing from the heater box into the engine bay under the hood… my question is do I need to drain the refrigerant before removing the old evaporator or do u think that the evaporator is fine and I need to seal up the heater box better?

  • @jacknight3350
    @jacknight3350 7 років тому

    thank you

  • @evilokc
    @evilokc 5 років тому

    im working on an F body. my a/c is getting to a good temp but it isn't blowing well. I think the evaporator may be dirty. im planning to pull the top cover and clean it. I appreciate the video

  • @shawnlewis608
    @shawnlewis608 5 років тому +1

    There are actually two hidden center boats just in case if anybody didn't know should be 7 mm

  • @shawnlewis608
    @shawnlewis608 5 років тому +2

    What happened to the hidden center bolt

  • @JorgeLopez-ix7up
    @JorgeLopez-ix7up Рік тому

    Great video. My heater core just started leaking on my 87 cutlass supreme. I noticed my passenger carpet became damp. Would old coolant beneath the carpet causes any long term issues to carpet or surrounding areas? Why would it leak beneath the carpet instead of just leaking beneath engine bay?

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  Рік тому

      Heater cores can leak inside or outside. If the carpet is wet then clean it and let it dry.

  • @MariaGonzalez-ei1pv
    @MariaGonzalez-ei1pv 4 роки тому +2

    Mr.g.body man .
    I have a 82 cutlass 4door my heater is busted ,n they did a bypass...im trying to connect my holese back .but i dont have a clue witch holes goes to the left n witch holes go to right. One holes is attach to the waterpump.n another to the intake..i just dont know witch one to connect to the heater core.i dont wanna connect them wrong...help..i want my heater back...

  • @BobFeigl
    @BobFeigl 3 роки тому +1

    I have a coolant leak that's dripping down behind the front passenger tire. This is on my 83 Cutlass. Do you think that's indicative of a bad heater core? Someone mentioned to me, to bypass the heater core. See if the leak stops, and that would tell me it's bad.....

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  2 роки тому

      Could be the core or a leaking heater hose that is then leaking down the heater box onto the ground. I have had that happen before.

  • @Trifler500
    @Trifler500 3 роки тому +1

    Unfortunately my cover broke into many pieces. Do you have any ideas on where I can get an OEM or aftermarket replacement?
    I would think an aftermarket parts manufacturer would have seen the value in producing a 2-piece cover so the piece caulked to the firewall wouldn't need to be removed.

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  3 роки тому

      Not sure if you still need one but I have one. email me at classicgbodygarage@gmail.com

  • @kellendavenport9732
    @kellendavenport9732 7 років тому +1

    I have an 83 cutlass....is the heater core in the same location as the one on this video???

  • @josephvance9165
    @josephvance9165 7 років тому

    I recently purchased an 87 Camino with a ZZ4 350 crate engine. When the engine was installed they evidently hit the heater/ ac box cover and broke a piece out it behind the core. Does anyone sell a replacement, new or used? Your videos are very helpful.

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  7 років тому +1

      Please join Classic Gbody Garage on FaceBook by typing in Classic Gbody Garage. Click join and I will add you. You can find parts for sale there. I have sold them before for $250 plus shipping but do not have one avail now.

  • @Apacheg8
    @Apacheg8 8 років тому

    I'm just finding your videos and they so far have been a major help in some Areas right now I am actually thinking about removing my AC/heater box in my 78 el Camino the lines (similar to yours) were cut off as we'll I'd like to just put one of those delete panels how much more/ what else would have to be done to completely remove it?

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  8 років тому +1

      Thanks for watching and glad my channel has helped you. You need to just remove the rest of the bolts that hold the lower portion on. Need to remove the inner well. Remove the glove box so you can access everything behind the dash.

    • @Apacheg8
      @Apacheg8 8 років тому

      +Classic G-Body Garage appreciate it!!!!! Going go ahead hopefully tackle that this week or next

  • @markproductions806
    @markproductions806 8 років тому +3

    Where's the heater core video ?

  • @matthewestrada98
    @matthewestrada98 8 років тому

    just found your videos and you know a lot and watching are going to be very helpful. I'm about to buy a 79 Cutlass but no gauges are working on the dash, the aftermarket radio was flickering on the test drive.. any ideas on troubleshooting?

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  8 років тому

      +Matthew Estrada Thanks for watching. I have videos on the gauges on how to swap or fix them. Go here: ua-cam.com/play/PL_N4pjeYIeLtMUpNBRhMtKNcRcwYdaDAO.html

  • @ericchavez6053
    @ericchavez6053 6 років тому

    How do you install or replace a Ac delco compressor on the engine ? Can you make a video about that

  • @MrKnoxa29
    @MrKnoxa29 5 років тому +1

    Is it common for the hvac box seal that is inside cab to leak? Is there away to re seal without removing entire box

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  5 років тому +1

      Yes it is common and you can use RTV if you want but still not the proper fix.

    • @MrKnoxa29
      @MrKnoxa29 5 років тому

      @@ClassicGBodyGarage thanks i already starter rippi g it apart. Want to do it correctly ONE TIME

    • @MrKnoxa29
      @MrKnoxa29 5 років тому

      All done. Box out fender and hood back on. Just waiting on block off plate. Awsome videos

  • @nugsymalone1247
    @nugsymalone1247 5 років тому

    Just like the Haynes manual, you didn't explain the two tabs that the windshield chrome bolts to. I thought I had to take the dash out but then seeing this, it ocurred to me that the bolts are welded from the inside so you just take the nuts off and continue on.

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  5 років тому +1

      Correct, the studs are welded to the body and just the nuts come off. Thanks for watching

    • @nugsymalone1247
      @nugsymalone1247 5 років тому

      @@ClassicGBodyGarage Thank you, I'm changing the heater core in my 85 el co. The ac is chopped just like yours and I took it out. I don't want to replace it, so can I just leave it out when I assemble it all back up?

  • @yelloyota82
    @yelloyota82 8 років тому

    Is there any way to delete the AC but keep the heat? I just picked up a 78 cutlass salon and the ac compressor is toast and I never use ac anyway.

  • @david84ss
    @david84ss 8 років тому

    Nice video, wish I found it a week ago when I did my 84 SS. Now I have to patch the gaping hole that was punched in my air box, I'm thinking fiberglass.

  • @pablolopez1967
    @pablolopez1967 3 роки тому +1

    Is it the same process on a 88 G-Body SS

  • @sirsylk
    @sirsylk 2 роки тому

    Is there a difference between driver and passenger side wiper arms?

  • @pedroochoa6504
    @pedroochoa6504 4 роки тому +1

    Can this 2 parts be causing the white smoke coming out my vents?

  • @debibudz
    @debibudz 5 років тому +1

    Ok, so how do I replace the evaporator on a 95 Old Cutlass Supreme?? Can't find a video anywhere.

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  5 років тому

      I don't know anything about a 95

    • @debibudz
      @debibudz 5 років тому

      @@ClassicGBodyGarage Nobody seems to! My Mom has a 95 Cutlass Supreme with 80,000 miles on it and it is like brand new. She had the AC replaced last year and now the evaporator needs replacing. My brother is a mechanic and can fix it, but he is just trying to find a video or someone who can help him out a little before he has to take out the whole dash.

  • @tennakey4494
    @tennakey4494 8 років тому

    Can u do a video on how to do front wheel alignment

    • @ClassicGBodyGarage
      @ClassicGBodyGarage  8 років тому +1

      +Tenna Key Excellent suggestion but I do not have the proper equipment also if you want to do an at-home alignment you can only adjust the toe not the camber/caster.

    • @Crazywaffle5150
      @Crazywaffle5150 5 років тому

      You can't really do that at home lol.