Full heater core replacement (the easy way) on a 2007 GMC Sierra and similar models
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- เผยแพร่เมื่อ 22 ม.ค. 2022
- Today we have a video of the full replacement process for a heater core on a 2007 GMC Sierra classic body style. The procedure is the same for many other GM trucks:
99-07 Chevrolet Silverado classic body style
99-06 GMC Yukon and Yukon XL
99-06 Cadillac Escalade (EXT, EVS)
99-06 Chevrolet Tahoe and Suburban
99-06 Chevrolet Avalanche
03-07 Hummer H2 (dash and firewall are a little different but the heater box is the same.)
It is easier than it looks, the dash has to come out, but it comes out as an assembly and only needs to be pulled back, not totally removed.
My website if you want to purchase a car or parts: www.vehcor.com
Amazon store: www.amazon.com/shop/vehcor
For Vehcor merch: teespring.com/stores/vehcor-3
#boringbuildfriday #heater - ยานยนต์และพาหนะ
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Saw a video by Car Wizard and he spent crazy time on how hard the job is to do, Vehcor in this video just does it and isn't there to hype how tough it is, rather that it is doable. Different mindset altogether.
Car wizard took a much harder approach to do the job
i was just wondering if the 99-2002 are more difficult, or was Car wizard just being a goofball!?
Best yet
It's all doable if you wanna do it.
Some people just like to exaggerate the difficulty, possibly to pad their ego and make themselves feel special.
100% the best and easiest video on removing the dash. Watched it about 6 times and decided to tackle it myself. Got to the HVAC box in 2 hours. Saved me a lot of money too! Thank you!!
I had the dash disassembled this far on my '03 Yukon. What you did in two hours took me just over six. But if I did it again I bet I could do it in...just over six. So much fun watching a pro do this.
🤣
Lol
HAHAH funny ! I think I'm going to pay someone to do this
What I like about your show is that you know exactly what to do in the exact sequence, like a heart surgeon. Keep sending these video's. We dont want you to forget anything!
Hands down the best video for the dash removal. Of all the videos I watched, this is the most straightforward and quickest way to go about it. I have an '02 suburban LT, so the only difference was taking out the seats and center console first, then the rest was the same. Thank you for saving me so much time and headache. This video is the best.
Did mines about two years ago on my 2000 Tahoe. As it was my first time doing this I took my time. About 12 hours total (taking photos, resting and learning when to walk away and calm down :-). If I have to do it again I figured I could do it in half that time. I made sure to replace everything else in there as well (evap core, actuators) since I had everything apart. I was not going back in there!
Heater core blew on my 2000 gmc sierra look at a few videos on TH-cam and yours seemed the cleanest and easiest way to do it . After putting off for a couple of week I final managed to dive into it, and following you step by step made it not so confusing. Thank you for making these videos did it in about 6 hours including re taking out the heater unit because I trapped the antenna. I had no friends to help me as well . Not the hardest thing I’ve done but no walk in the park either . Your video help a lot
What did you do with all the broken plastic tabs and clips? I like to put them in a bag and give them back to the customer. I don't want them to think I would steal from them...
No broken clips but they had a nice fresh bag of nuts and bolts that I “found”. 😂
@@vehcor lol
I think that's what they use to stuff hacky-sacks.
😮😅😅
Did that a few years ago on my trusty 2000 model. Took me 8 hours, maybe 9 but has a full center console. I didn't disconnect the steering shaft or shift cabke which I see now why I couldnt pull the dash completely free. I pulled it back at an angle to gain access to the HVAC box, pulled the box back as well and barely had enough room to remove and replace the heater core and only because the heater core pipes actually swivel. Pain in the ass. Next time, heaven forbid, I,'ll pull the dash all the way out. There wasn't a video years ago showing the tricks. Great tutorial as usual. AAA PLUS!
Remembering the really old days on some cars when you could change the heater core from under the hood. I'm sure they could design it now so you could change through the glove box opening, but that would take intelligent thinking.
Pepridge Farm remembers! 😂
I loved doing heater cores on a 80s Ford ranger, all under the hood, a few 8 mm screws on the cover, 2 hoses, and done. You could do one in 15 minutes.
Yep, like the GM G-Body, couple screws on top, pull off half the hood seal, and slide it right on out, 10 minutes tops including refilling the antifreeze
" but that would take intelligent thinking. " But that could also compromise the build of the vehicle. Move one thing and it affects many down the line.
@@mattcat231 Or a GM B-body. Still have 2 of these.
I have looked at other videos showing how to replace the heater core in the early 2000's GM trucks. All others illustrated way to many things coming apart, parts that didn't need to be removed. Your video was efficient and an incredible time savings vs other techniques of getting to the core. Thank You! This was a great video.
Scott, we have always been moderately happy with you! You have proven to be a true force in being adequate. Keep up the work man, you're truly nominal!
epic left handed compliment ever lol btw: you forgot "you're as exciting as a bowl of plain oatmeal"
It’s nice to see Scott’s brother in law contribute.😂
😂😂😂😂
Way better than a Ford of this era. Thanks for posting on a Sunday, Scott! A nice surprise.
It’s a Ford, they are supposed to be junked when the heater core goes out! 😂 I could not resist. I have not picked on Fords in a while!
I did this to a Colorado that I bought. Evap and heater core were plugged solid. It was a good time to clean out and reseal the air box and blower wheel. What a difference!! Great video!
That's exactly why I love the GM-T800s. They're fairly easy to service, especially when compared to other vehicles.
I'm surprised the top dash pad didn't come out in 1000 pieces like it did in my truck. Then again, 20 years of Florida sun isn't good for any piece of plastic.
i definitely feel you there, this morning i had to change the rear passenger speaker in my 04 2500HD regular cab, and that whole post trim roof to floor came out in probably 15 pieces, i wasn't too happy.... but at least there's some less rattling from the speaker and that trim panel, lol! Now i can turn up the radio to cover the broken exhaust manifold bolt noise, lol
Really enjoy your videos. One thing that "Clean freaks" and all other frustrated perfectionists must learn: recognise when good enough is good enough.
it's not an easy job - but your video is the only one that actually makes me feel confident I can do it IF I ever have to.
Not a super job hard, just time consuming. Take your time, follow the video you'll be alright lol
I'm an auto technician and your video is the best one out there. I learned a couple of tricks from this video that I will use on my next one
Enjoyed the steps in removing and replacing the heater core. I have a 2006 GMC with the 5.3 engine. I didn't know removing the dash was required to replace the heater core, hope mine never needs replaced. I have told several friends about your channel, so should be getting more subscribers. Good job Scott , look forward to other repairs on this truck.
Have done several of these, GM's, and Ford. You're right, take your time a good 1/4 drive set is a necessity. I also use a magnetic tray to hold the hardware. Excellent presentation this will help many people thanks!
This is definitely the best video on how to do this job. Thanks for the video.
Bud...
You're a rockstar !
All these other informative videos are so long you just got straight to the point and if you're not smart enough to figure out what's in in between the lines , well it's going to take you a little longepr
This man knows what he's talking about thank you!
I don’t even need to make this repair, but for some reason I watched this entire video from start to finish! 😂
I didn't realize I could take the hole thing out! You made it look so easy. I will be doing this at some point, so it is super nice to have a video to follow. Thanks!
Man I wished I would have took the time and searched for your video this morning I've had a heck of a time trying to replace my heater core. I wound up watching somebody else and I took my dash completely apart and still haven't been able to get to the AC box. Oh well Lord willing we all live and learn. By the way you did a really nice and neat job working on that truck!
Hey man, Just tackled this after watching your video - which is by far the best one. Trucks with the center console have to remove the front seats and console first... I had to use a bucket and step stool when removing the dash, but it was a lot more difficult getting it back in (no friends either, by myself) because It dropped and angled lower with the bucket. That dash is heavy! Thank you for your vid!
I really enjoyed this video, but then I like all of them. The sarcasm is great. I have an 05 Sierra with 230K miles. Been dreading that heater core, but not as much now.. I did replace that blend actuator on top of the box and that was a pain, but a well put together photo collection made that job much better. Thanks for your great videos!
Your version of doing this is way more logical and faster without taking apart extra stuff like some other people's vids do, Thanks
You made this job a lot faster and easier than anyone on this site.
Another super video showing removal, repair and reinstallation - thanks, Scott!
Thanks for watching!
Great video documenting all the steps of taking the dash out. Thank you. Wouldn't this a great time to blow all the trash out of the AC evaporator and replace that fresh air door actuator hidden behind the air box that always dies at about 180000 miles. While you’re in there a new blower motor and thermocouple blower speed control would seem to make sense as well since you have to be a contortionist with tiny hands just to be able to reach those things later. Cheers
That's amazing. It took you less than 10 minutes to get the heater core out. I am truly impressed. Actually I'm intimidated Beyond belief. You sure make it look easy. Even with the obvious editing to shorten the video. If I ever have to, I'll be back watching this video at least a hundred times. So you got that to look forward to. Thanks bro
As the owner of an 05 Suburban I really appreciate the tutorial. Plus Sunday content. Win!
I have changed a few heater cores in my time, but never had to pull a dash. Interesting vid with no drama, but plenty of sarcasm, perfect !
one of my favorite dashboards from general motors.a very simple dash but everything is well laid out.thanks for the double video this week cheers from the nw suburbs of Chicago
"It was kind of a MESS when I got it..." - How did you know I was thinking that about my 1988 BMW 750iL when I first bought it in late 2005? Great job on the video and yes, my car's heater core replacement will be at least as involved as the heater core replacement on your truck. Thanks for another great video, Scotty!
Thank you for the video! I did the job start to finish in about 6 hours.
With some deep counseling you may be able to make a friend. With any luck at all he will be a clean freak and help you detail some of those messy vehicles. Great videos.
Man you sure make it look eazy..But I know it's your knowledge on knowing wht to do...Your just darn good..
It's amazing that taking out the dashboard is the norm for heater core replacement. A $40 core and the rest is labor $1500.
Thanks for the video.
If everything was a 10 minute job with a hammer and worn out screwdriver, the vehicle would need to be 3x the size.
I did this on my '99 silverado 3 door. To early for youtube.. It took me a solid 8 hours of guess and unbolt, by myself. In the end all worked out, no rattles. Nice job to do it in 2 hours.
Much appreciated on the video changed my first heater core in my 03 gmc sierra 2500hd with the 6.6 in about 2hrs after watching this for a couple of days and then going bit by bit while I was tearing it apart by far the best way I’ve found to change the heater core
Thank you for this video. I just had to do the heater core on my 2004 GMC dually SLT. Almost took more time to remove the seats and center console than the rest of the job. Great information.
Do you have to take the seats out to get the console out?
Wow 2 videos this weekend. Great Job. The last heater core I changed was on my 1978 Impala 2 door with the wrap around rear window. It was a lot easier then the new vehicles.
Like your sense of humor. Having friends helps alot.
That’s what I love about this generation of GM trucks, fairly easy to work on. I’ve had a few of these trucks over the years, I have an 05’ Sierra crew cab Denali right now, sitting at 118k miles at this point. So far HVAC damper, and stepper motors on instrument cluster, I tackled those myself, not bad at all. Pretty good for a 16 year old truck!
older models you didn't have to tear the entire dash apart to get to the Heater cores. You could drop them out the bottom or they were behind the glove box. This new placement is pointless anti-consumer BS
@@MAGWolf I had an 89’ Camaro for several years, I had to replace the heater core once. It sucked, but I was able to take the dash board loose and slide it out just enough to get the old out and new one back in. It probably would’ve been easier to have taken the dash out. The newer ones are much worse to work on, they engineer that crap on purpose.
Thanks for this. Just saved me $2,000. Got it done in 4.5 hours working at a very casual pace. Really isn't bad at all with your method. Thank you sir
I drive an 84 Ranger and changed my heater core in an hour. Nice to have such an easy job guys. You don't have to take out the dash. I'll put up with the faults. I never want to pull the dash.
Scott is an absolute master of his craft. I am a clean freak, takes me twice as long.
I’m impressed the a-pillar covers came on and off so easily. When I removed them on my Silverado that clips broke off and it was of to pick and pull to removed some more gently…
Love watching your videos and your great sense of humor, makes you diff of the rest of the repair peeps on you-tube
Man this brings back memories of replacing onstar modules. Great video!
Lovely Jubbly, his personality is what makes these videos great.
Love the vids! Step by step means I'll buy a GM that year with bad heater core AND FIX IT!
I'm moderately happy! To be honest, I am pretty proud of you for many reasons. Have a great day and I appreciate the content.
Only You could make replacing a heater core look easy, Nice Job.
Thanks for the video you saved me 700 dollars I followed your steps in the video the first time it cost me a little but the next round is a piece of cake
This guy is really gifted and talented Keep up the good work
Had to do that on my S10. Was supposed to have some assistance from a friend of mine but I got tired of waiting and just jumped into it. If you take your time and pay attention, its not hard. Also helped to have TH-cam! I woke up from a nap to see you had posted this. I was really hoping I had fallen asleep and woke up on Friday. Shoot...
I just made it a four day weekend for everyone! 😂
I have changed a few Heater cores in my life, but that was a BIG job. Your patience astounds me. Well done Scott! Rich
Scott, you make this my favorite channel to watch, thank you, I always laugh at your humor its great
I watch your show all the time I think you’re a great mechanic
You made this job look so easy. Thanks for the video.
Love your work. You have inspired me to do way more on my vehicles.
Nice to see how the manufacturers make it easy for the mechanics with simple repairs, good grief might as well build a complete new auto, front of the auto dismantled for a heater core , great post scott, ps I’ll be your friend Scott all the way over here in Ireland 😇
Awesome work! Brilliant content. Thank you Scott 👍🏻
I love it when you trigger the "clean freaks".
Thanks for the bonus video. I can't believe that R&R of a heater core could be interesting but it is.
Great video. I was surprised to see it on today. Nice change up from your other great videos. More content like this and i think you will really grow your channel more. You deserve it.
Ooo a Sunday post? I feel so honored! Love some GMT800 content!
👍🏻
Thanks for the extra video this week. The pride in your work is something special that you don’t get to see in a whole lot of people in your field of work today.
I had to replace a leaky evaporator on my 23 year old Silverado 2500 HD (it only had 130K miles). Decided to go ahead and do the heater core and those pesky actuators too. Replacing the actuators is a real gamble if they are not currently malfunctioning, but hey, I got married in Vegas, so... I watch many of your TH-cams. Yes, you have friends.
Also, your tips on this job were very useful. And I didn't really have too much trouble with that bolt behind the engine, using a flex head ratchet wrench.
Came here for a refresh because it’s been a while since I’ve done a gmt800 evap core…..
subscribed for the sense of humor. 🤣🤣
Awesome job....Thanks for sharing! This channel deserves the subs more than any!
I have done a squarebody Chevy heater core, I was so happy how easy it was. the year before that I did a ‘93 GMC jimmy the s-10 style one that one took awhile.
Never liked the earlier 90s Blazers and they were common failures!
@@vehcor it was my brothers truck some how I got roped in to it.
I will say that the hardest part about replacing the heater core in a 82 to 93 S10 is getting to the top screws on the cover. I've replaced the core in my 91 ext cab twice. I found out the hard way to stay away from the aluminum heater cores in these trucks. It only took 3 parts stores to find the correct unit.
I have a 2002 Sierra and I have partially disassembled the dash to replace one actuator. Now I have to do it again to replace another. So I really felt your pain when you said they come bad from the factory. This will be the third one I have done and I hope that’s all of them.
Thanks for the weekend surprise video! I have a 2002, 300K mile Suburban which I bought new. I live in Los Angeles so I'm not sure the heater even still works. But, I am moving to Pittsburgh in 6 months when our new house is done, so I am saving this video just in case I find out next winter that the heater core is kapuut.
Congratulations on escaping Commiefornica, enjoy the sweet taste of real freedom in PA. Is Pittsburgh full of libs, most big cities are democrat-run hell holes?
@@mrpesky163 but freedom is a little north of pittsburgh
@@brianfairchild7819 Yep, by criders corner, lol
@@mrpesky163 Pittsburgh itself is as democratic as it gets, a lot of suburbs are conservative, from my driveway to market square in downtown is 28.6 miles north.
Damn dude, I had no idea! But this is as clear and concise as it can possibly be made, excellent job.
I like the repair vids. I need to do this job on my wrangler....been procrastinating for awhile....
Quick tip on those actuators, probably mostly for commenters. The grease they use on the gears inside eventually gets on to the rheostat (or variable resistor or what ever it’s called) clean that up with alcohol, along with any other loose grease, put a little, little dab of dialectic grease on the gears, re assemble it and put it back in, that has been my problem with everyone of those gm hvac actuators. After that they work like a charm.
Love this guy absolutely the best. No hatters here!
Thanks!
Love these videos just like the boring builds. Keep em coming and kudos for drawing in the dirt for the clean freaks....laughed out loud at the beautiful taunting. Cheers!
You have a friend in me! 😂 Man, I enjoy watching your videos. I have learned so much. Thank you for sharing such valuable vidoes👍🏽👍🏽
From all the GMC trucks you have done, I bet you could have done this blindfolded ;)
Another awesome vid Scott. Always appreciate a master at work.
Amazing and thanks for documenting a real video unlike the butcher job the others posted, wish me luck, I am tackling my 2006 Chevy Silverado Crew Cab, I am going to replace the Heater Core, Blower Motor, Actuator, AC whatever the crap is called as mine is leaking, tired of the Tire Plus folks sniffing with dye for a month. CLICK I love it :) BTW I am off to get a milk crate from 7-Elven !!!
Great job! I really enjoy your videos, very well done and explained.
Another great video.and once you realize the dash has to come out .it is what it is.. another great design GM
Dude. You are messing up my whole week with a Boring Build Sunday video. Great content as always.
These videos are always very enjoyable, my favorite part is how you troll the trolls. Keep them coming.
That is my favorite part as well! 😂
Much easier changing the core on that then in a Dodge. Looks like you might have done it once or twice. I am surprised that you don't have the extra joint between the wrist & elbow to get to that lower bolt. It is an optional accessory for working on Fords. Great job Scott.
Yep, done a few of these. I left that elbow joint in my other toolbox! 😂
Little known fact, that's how he got his nickname.
VEhicle
Heater
CORe
Source: trust me bro
Thank you for the Sunday bonus video!
No problem!
It’s Super Sunday! Bonus video from the man!
This is a much easier way to get to the evap, than disassembling the whole dash, like I saw on another vid. I've got an 02 2500hd Duramax, with floor shift transfer case, so should be pretty much the same, without the center console.
I love the video and you did a great job. But for GM to have you take the dash apart to replace a heater core is ridiculous. And some engineers were paid well for this. I have had chevy cars all my life but in my old age now no way. I need to do this on a 2006 GMC Sierra. So I guess o have to set aside a day to get it done. Again great job!!
Another job well done! That would have taken me forever.
I saw your thumbnail and my first thought was "rut roh" lol
I remember back in the day when changing a heater core was an hour job at best. 2 heater hoses, some silicone sealant, a couple of wires on the fan and a gear clamp was about the gist of it. Easily and readily accessible from under the dash in the passenger footwell.
Used to have an 04 Silverado with a 5 speed manual. Very reliable truck
A bonus video is all I ever wanted🤠🤠
Thanks for making it seem so easy! And I will be your friend any day!
Bonus Sunday vid sweet!
Maybe Sunday will be my new upload day…. We’ll see!