Heater Core Replacement 1999-2007 GM Truck (GMT-800 HVAC)| AnthonyJ350
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- Опубліковано 5 жов 2024
- We go over all the basics it takes to remove and replace the heater core in you 1999 - 2007 Classic GM truck. We go over dash removal and tips to reconditioning the coolant system and replacing hoses. This covers GMC, Chevy, Cadillac, Silverado, Sierra, Tahoe, Suburban, Yukon and Escalade.
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About AnthonyJ350
I am a Mobile Electronics Certified Professional 12 Volt Installer (MECP Certified), Business Management Graduate (KPU), with a Professional Driver's License and a genuine automotive enthusiast who loves working on vehicles and I want to share my experiences with you. The goal is to help other people who can hopefully learn from my unique outlook towards vehicles, experiences and working practices.
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Heater Core Replacement 1999-2007 GM Truck (GMT-800 HVAC)| AnthonyJ350
• Heater Core Replacemen...
ANTHONYJ350
/ anthonyj350
This was one of the most well done auto videos I've seen. Damn.
Thanks for watching!
Helpful video thanks! This job is honestly not as bad as most make it out to be, I just did this yesterday 5 hours total.
Nice! Great job!
Great video. Answered my question if I wanted to tackle myself or pay someone else to do this. Dropping it off at the shop lol
Ya it took me a solid weekend to do the job.
How much at the shop? (If you took it in yet)
Great video, my blend door for the passenger side vents broke but I'm definitely not doing all of this to remove and fix it 😆 keep it up!
Thanks for watching!
The driver's side blend door quit on my 2005 sierra. I took it apart, cleaned it up with alcohol and applied a little dielectric grease. One year out and no problems.
This is a good instructional video. Doesn't mean I will enjoy doing the work though.
I know, it's not a fun job at all. Reserve a whole weekend and take your time. You'll save a lot of money though.
Got the car done, now the truck. Both GM same age same problem. I think I am antifreeze poisoned from breathing that crap in.@@AnthonyJ350
Just now seeing your video. Will be doing this this weekend. Thanks!
Hope I put enough detail in it to help you!
Great video and explanation as always. During the summer I've noticed that water often drips down from underneath the passenger area, must be condensation? Always wondered if it was a leak, but haven't seen it during cooler weather.
That water drip is coming from your A/C system, it's normal.
Fantastic tutorial, thanks!
Glad the video helped you!
Why do they make them like this! Crazy!
Newer vehicles are worse
Well done Anthony!
Thank you. Wasn't sure if I'd get the main details in. It's a challenge trying to capture everything while doing a job like this in a timely fashion.
Takle box works well for bolt organization and lableing
Thanks for sharing!
So does floor board
@@wesangel9989 Hmmmmmmm, not sure about putting all the fasteners on the floor.
@@AnthonyJ350 done it for 30 years no fucks given
@@wesangel9989 I guess if you have a photographic memory. Would love to see the organization of tools, parts and raw materials in your shop. No f**** given there too?
The older body style was so much easier to do this with. Unfortunatly i Have to do this to mine soon.
Newer trucks are even worse unfortunately.
my 2003 tahoe started leaking today. 2 weeks ago I did the radiator, last year the water pump and ac system. Wish you lived nearby,lol
But I don't want to do this job ever again lol. I want to pay someone else if it ever happened again lol
Hopefully don’t need to do this on my 2001 Suburban but if I do your careful explanation will come in handy. Question you have a large radio head on yours mine is much smaller can I use the larger head ?
2001 has a different wiring setup than 2003+ so the head units are not interchangeable.
On the bright side, you could have a truck that doesn’t last as long as these 2000 chevys and just scrap the whole thing before you need a heater core
100% agree. I've had this thing for 15 years and it has served me very well. One of the best generation of trucks ever made.
I also agree. I am still running a 2002 gas winter beater, a 2006 Max dually and a 2007 Max SRW that is almost complete with a full resto. Love these trucks.
Great Video! Hopefully I don't ever need to do this to my 2006 Yukon! I'd have the extra step of removing the two front seats in order to get the center console out. Did you undo the steering column and the shift linkage on the driver's side?
I just loosed the column, didn't touch the linkage since I was just moving the passenger side out. Just change your coolant regularly and hopefully your heater core doesn't leak
Do you have a video showing how to replace the temperature blend door on a 2004 Silverado
Sorry no I don't.
Very clear thank you
Glad it helped you!
What a nightmare for $50 part!
Unfortunately that's most vehicles now.
So my blend door actuator for driver side failed (thank goodness because I don't want to ever do passanger side again....) but I went to replace it, well the previous owners must have also done it because the actual stud the blend door slides into was broken and replaced with a bolt.... That being said any idea how to get it to where my blend door actuator and the actual door are in the same position without having to replace the door itself and do all this work😅
I wouldn't move the actuator. Can you manipulate the door with the bolt?
My vents stink like a dead mouse. Any thoughts on getting rid of that? Would I be able to get a small vac hose down the vents instead of taking this all apart? The smell comes from every vent so thinking the carcass is in the heater box itself.
You'll have to pull it apart
and thanks for a great video any idea how much it would cost?
how much would you charge ?
Shop will probably charge 2-3 days worth of time.
great video a young man with more time to spend than an older guy like mmwa so I will be in the market for a new truck by fall
COULD YOU EXPLAIN HOW TO BYPASS THE HEATER CORE please???
Bypass video explanation ua-cam.com/video/6FEsrFd1Fso/v-deo.html
Will the upper ductwork come out through the top, without removing the whole dash system?
No, you have to remove everything
How long did it take you? I broke off a spindle thing that goes into the blend door actuator when trying to replace it. I’m not sure how to replace that spindle now. It’s the actuator on the bottom that goes directly to the heater core
It took me a solid weekend to do this job.
There are many things removed in the video that can stay on dash.
Thanks for the feedback!
Here I am thinking this was gonna be a quick 1 or 2 hour job.
It took me a weekend taking my time.
This makes me want to scream!!!
It's a challenging job to perform. But you can do it.
Why not just look at your RPO code to determine which heater core to get?
Because I'm not smart.
Would this work for a 2000 chevy suburban?
Is you're the older body style or similar to the truck in the video?
So you totally do not have to remove all that ! It’s like take the steering column down and remove 6bolts and two nuts and the entire dash will set around into the passenger seat in Service position then reverse the box and service the box .
You got a video or instruction document showing that?
You got a better response that actually acknowledges the comment? Tuck your ego bub@@AnthonyJ350
@@UntilSorrow Not really
@@UntilSorrow If you don't like how I performed the job. Don't do it that way.
What do you mean reverse the box?
GM should be ashamed on this design. Dashboard should be one unit and be able to be pulled back in one piece. You have to disconnect your AC system to replace the heater core? Ridiculous. I bought a 2005 Silverado 2 months ago. Sorry I did. The Fords I had the dashboard pulled out as one unit and I replaced the heater core without dealing with the AC system. GM should be ashamed with their HVAC system.
Your 2005 Silverado is one of the longest lasting trucks on the road currently, and the whole power train is easy to work on.
Did you not see how ingenious the head light design is?
What do you change more often, the heater core or a head light bulb?
Triton Ford V8s break spark plugs all the time till the new part came out.
Ohh yeah you want a ice cream too?
Try a ford asscourt
I have an 05 2500hd and a 2000 1500. Both over 210k miles so far. I have been amazed how reliable they've been. Gmt 800s are awesome trucks.
How long take to do that to you
Took me 2.5 days (that's while filming)
Ford did for years 45 min heater cores
Wish everyone did that
what about stop leak ? my old truck has 330000 miles everthing works,
and now the heater core is leaking It hurts so bad knowing how long and teadious this repair is I want to scream and break something
Maybe I will just play some loud music
Use the AC Delco tablets.
Very involved job . Things will definitely break . It will take alot of time , unfortunately the video makes it seem like it’s easier than it is . I’ve found that the only way to really do it is to find the best possible way to remove everything while on the process of doing so . There’s more to be removed than it seems in the video .
What's missing from the video? It took me 2.5 days. You want the video to be that long?
No you can do the job without breaking things.
Dude did a lot of work he did not have too to change the heater core
Kind of had to, it was leaking and it smelled like coolant inside. I had to do a heater core bypass in the summer.
Why do you think it didn't need to be changed?
Why is everyone else’s video easier?!? Even the manual says it is much easier.
Let us know how the other methods work.
I have a 2004 H2 Hummer how much would it cost?
Not sure, it would be a little bit more work because the dash is different and you have the center console that needs to be removed.
Part Number for the special tool?
Which tool?
Is that core the same for the ac ? I need it replaced
Where did you get your instrument cluster for odometer and rpm?
Is the screen in your truck from factory or did you install..
Great video thanks
Core is separate from AC condenser. Gauge is from a Cadillac Escalade. Here's the gauge cluster swap video ua-cam.com/video/yD6NH6LLsf8/v-deo.htmlsi=18P68RuAfrWRkj49
Great video but damn now i know im getting rid of this pos gmc thats ridiculous. My 76 ford heater core could be changed in 1 hour without doing any of that man i miss it.
To be fair the GMT800 truck platform for the most part is easy to service and there's a lot still on the road.
Do you still see a lot of Ford F150s and Ram 1500s from 2005?
I'm not understanding why i have to disconnect my a/c
The AC evaporator is in the housing as well. If you don't disconnect, you won't be able to move it back.
@@AnthonyJ350 i see that now, thanks!
@@AnthonyJ350Did you replace the evaporator while you had it apart?
@@motofunk1 No I didn't, mine looked good so I kept it. People do recommend to change them at the same time though, especially if you have a lot of mileage on the vehicle.
I think I will just go without heat
Up to you
I'd rather install an inverter and plug in a house hold heater than go through all this ...
This is what it takes to do the job
I said the same thing!
You need to cut your finger nails that’s gross.
Thanks for the feedback!