How to replace the heater core in a 73-87 Squarebody Chevy.
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- เผยแพร่เมื่อ 21 พ.ย. 2024
- How to remove and replace the heater core in a 73-87 Squarebody Chevy.
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I watched a few tutorials and they all had the 2 piece cover when you pull the core out. Finally found a one piece tutorial. I was stuck on the rod n didnt know. Keep up the great work
Glad I could help
Glad you got that fixed! Now I don't have to refuse to ride along when the weather is cold.
Its much easier if you work the rod out the only place it sticks is on the opposite side down side from the small leaver. Use diagonal side cutters and work it on both sides of the blend door tab to work it free. The lever floats on the upper leaver side the rod has a flat that goes in the other end to operate the door.
Great video. Nice to see just the way a working guy keeps our old square bodies on the road. Not restoring, just a driver. Good job.
Thanks.
Thank You Bro. The air box can be a little overwhelming at first.
You're welcome
LMC makes a great catalog you can get every little piece you can think of for that truck specific catalog LMC my favorite for my old buddy 79c20
Well done 👍 it’s almost impossible to take it apart without braking the brittle plastic 😂😂
Thanks
Another great "how to" video!
Enjoying your content, thanks for your efforts!
Thanks
No need to remove the rod for the blend door. You can just spread out the sides of the box enough to clear the rod ends and the box slides right out to get to the heater core.
Not on all models
If you are in a pinch and just need the heat and you have the A/C disconnected as you do on this particular truck you can run hoses to the evaporator core AKA heater core 2.0 lol my 74 crew cab ramp truck is like that currently has been that way for about 8 years....
Heck yeah. That's some good stuff.
I bet you get amazing heat that way,lol the evap has alot more surface area than the heater core so if your willing to loose the ac then it will definitely work but if you live in the south like me there is now way I would ever give up my ac, I spent so much time and money putting my ac back together that theres no way I will ever get rid of it.
Thanks for all the details good video
Thank you for the vid. I have a 73 that needs a new heater core and want to do myself.
Good luck with it. Take your time and enjoy it.
Thank you. Since I have you on the horn. My 73 stalls after the rebuilt. I had the Rochester and transmission done too. I like how you explain easy to understand.
That could be any number of reasons. Check for vacuum leaks, verify ignition timing, adjust idle speed.
Now a subscriber
This video helped me so much. Thank you!
Hello, great vids.
I got one with absolutely no heat. Could it be water pump?
I mean no heat at all ice cold air.
Thanks
I'd guess the heater core is blocked. If it was the pump, you're engine would overheat.
Kinda ironic i watch about all of your videos and this popped up today. This morning i got in my blazer and no blow out the defroster i tore into it and the plastic piece was broke so i put a used one i had in it. My question is does that back tang on that thing need to go down in that slot ? My blow is better but still not great
The end with the hole stays on the outside. The other end should have a tab that hooks through the hole in the door.
Loved the video. Much thanks for letting me drive drive creampuff
Thanks and you're welcome.
My 83 is blowing cold air. I manually opened the doors but it's like ice air 🥶 what you think, thermostat or core? Help 🥺
I had to replace the heater core on my c10. Now, and probably before too, the air conditioner leaks condensation in the cab and wets the carpet. I know its not the heater core because I disconnected it to see. When you stop driving, condensation pours out outside. I don't know if it drains while driving or not. Do you know how to fix this? Thanks!
You might have to pull it back apart and see if the drain Is plugged from inside.
@@SquarebodyStuff it's possible, but I stuck something in from the outside and it didn't seem like it was stopped up. Thanks for the help!
If your careful, this is not a hard job, the hardest part is getting the inner fender out. When I did mine I thought it was going to be a nightmare but it only took a couple of hours and was not a bad job at all.
Any about doing plate lights
Not yet
@@SquarebodyStuff ok that the only thing that needs to be registered
@@robertchabot888 If I remember correctly, the factory wire is just spliced into the harness for the tail lights.
Good stuff... love the bluegrass..
I got in my 84 last week and a mouse or mice had eaten a whole bag of cough drops.. funny stuff . Wonder if their breath smelled good lololol!!
Lol
Hey brother I’m just wondering if it’s possible to stop my 76 c10 blower motor from pulling in outside air. My exhaust doesn’t leak but at lights it still pulls in the surrounding exhaust smells is there anyway to prevent the blower from pulling that in or closing that off
Disconnect the fan is the only way I know of. Or run your exhaust further out the back.
My exhaust dumps behind the back tires, but at the traffic lights it will pull in exhaust from the vehicles around me , I don’t want to disconnect it as I’m usually running the ac
If you run the ac on max ac, it should recirculate the air inside the cab and not pull from the outside
This is even easier if your truck doesn't have A/C like my 81.
Yes sir, non AC cabs are much easier.
Would this work for 1973-77 monte carlo?
I'm not sure
@@SquarebodyStuff
Thx 4 the response
Where did you get the plastic piece for the damper door? I need one for my 87 R/10.
I ordered them from classic industries.
U think u could replace a power steering pump please
I can add it to the list, but as of right now, none of my trucks need it replaced.
@@SquarebodyStuff cool thanks
no one sell brand new copper brass heater cores for squarebodys without air conditioning
lol Dead Mouse I like it !!!
LMC has heater cores. Not sure what material they're made from.
I'm not sure either, but I think they're aluminum.
@SquarebodyStuff Where did you buy the plastic piece for the vent door you said you bought several of? Got to replace my heater core in my 86 K2500 and would like to try and get some in case mine is broke.
If I remember correctly, it was classic industries.
@@SquarebodyStuff I looked but I couldn't find them though I guess I should be glad since mine was still good. 2 questions though. What is the factory core made of, and is there supposed to be a gap between the box and the duct that goes to the defrost vents?
Factory core is brass, and there shouldn't be a gap between the duct work.
I destroyed my blend door doing this too....🤬
Could never see nothing you were doing, removing it or on the bench
Why name all the square bodies?
All my vehicles and tractors have names. Just the way we are.
@@SquarebodyStuff - Yeah just curious. Love the channel bro! ✌🏻
Thanks, our machines are like family to us.
mine is names Hercules