VW PASSAT HEATER CORE 2009-2017? Replacement Volkswagen

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*HEATER CORE: amzn.to/2ukIaR9
*TORX DRIVERS: amzn.to/2unOUh2
*MECHANICS TOOL SET: amzn.to/2NctGIC
*NOTE: When I made this video I was in a slight hurry to get the job done so it may be missing some details and is not super in-depth. Mainly designed to just get give idea of what the job entails with some good tips as well. This is not a complicated job however the video may make it seem a little easier than it actually is..
Quick video on basics of diagnose/replace the heater core on this 2014 VW Passat. this should carry over to a few other years and models. If you know which ones, please feel free to comment. When replacing the heater core, it is highly recommended to flush out the entire cooling system at the same time. `
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Опубликовано:

9 сен 2024

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Комментарии : 484

@olbrocko 3 года назад

My advice: -Be sure to add a good amount of lube to the oring and tube mating surfaces. (I use silicone paste lube.) Hopefully that will help the tubes slide into one another smoothly. I really had to manhandle those aluminum tubes. I ended up using a plastic wedge tool against the heater box to lever the tube flanges into position to finally get them fully seated. It was kind of a pain. - I also cut the tubes from the old core to make removal easier. I sprayed some penetrating oil at the mating surfaces beforehand. Next time I will probably flush it before replacing. Its all a very tight fit under the dash. I also think I read that VW has an extended warranty on these things, so they might do it for free. I like to do this stuff myself. The creator of this video is definitely a skilled mechanic.

@JoshDFerrer 6 лет назад

I just changed my heater core on my 2014 Passat TDI after watching this video. Thanks to you! Had an issue though since my pipes going to the firewall are aluminum and clamped on pretty snug. I went into this already planning to take the whole dash apart to get to it so when I saw this, I figured Id try it and if it failed, I'd just then take the dash apart to do the work. My work around the snug aluminum pipes attached to the heater core was to actually just cut the pipes on the heater core itself from the inside. I then was able to pull the core out then detached the pipes I cut. At that point, the aluminum pipes going into the wall were loose enough to move around to barely make space for the new heater core. Put the clamps back on and put everything on like a charm and now I have heat!

@NoNonsenseKnowHow 6 лет назад

Josh Ferrer thanks for the comment and glad the video helped out some!

@JoshDFerrer 6 лет назад

Yep! Loosen the 6mm clamps, then cut the pipes into the heater core and then twist them off from the pipes going into the firewall.

@luvnRain3421 5 лет назад

How did you snap the line from firewall & lines from heater core back together? Bottom line snapped perfect but the top line has a gap & will not snap into place. I'm stuck st this point. Used oil but no luck

@jaskaranjawandha832 Год назад

@@luvnRain3421 hello did you find any solution for this i have same issue with my 2014 passat

@dand7056 7 месяцев назад

Josh, is there any play in the tdi aluminum hoses coming in from the firewall? I'm worried that I can't get enough space to not ruin the connection. Can you tell me how you aligned and push the new fitting onto the pipes from fire wall?

@REDROCKMAN2010 4 года назад

I just don't understand why more engineers cant design core replacements like this ! great video thanks !

@timoaruoja6241 4 года назад

Volvo has all the cars til 2007 like this. Good luck

@smikey5304 2 года назад

Thank You thank you THANK YOU for this video! This job can take less than an hour to complete. I paid $26 for an O.E. heater core that was on sale at a local dealership (same car). I stopped by the service department to get an estimate for the job, the tech was gonna charge me $60 for the exact same part (from the exact same parts counter I had just paid $26 to) and quoted me $1000.00 for the labor. Had I not seen this video I'd have been ripped off by VW! Thank You again brother!

@KentHenry8 4 года назад

I'm looking at buying a used 2013 Passat that I think has a heater core leak... now I know I can replace the heater core myself! Great quality video

@paulselecky5961 5 лет назад

Thanks for doing all the prework before filming but still explaining how its done. You the man! More vids for a VW CC please :)

@NoNonsenseKnowHow 5 лет назад

Glad to hear you found it helpful, and I really appreciate your comment! Helps out the channel. And I only do videos when we have slow days at work, which lately has not been very often. So I try to put up whatever I can

@paulselecky5961 5 лет назад

@@NoNonsenseKnowHow I just bought the heater core for my 2010 vw cc and hopefully can follow this video to replace it on Sunday. Keep it up!

@williamdickson4223 4 года назад

@@NoNonsenseKnowHow is this the same for a 2004 passat

@NoNonsenseKnowHow 4 года назад

@@williamdickson4223 I'm not sure. They based on my research when I posted the video it was for 2009 2017

@solidkreate5007 2 года назад

I found the joy of the banding clamp at the bottom of the air intake hose at an obtuse angle..............................

@vailkafer 5 лет назад

I totally agree about your comment about modern aluminum heater cores vs the older copper and brass ones. In Ford Freestars, they tend to electrolytically scavenge the aluminum and spring leaks from the resulting pinholes. After having three core leak failures in two years, I took a NOS brass Ford Ranger heater core that had the same core dimensions and fabricated the copper inlet tubes from plumbing joints and copper tubing. The van has now run three years with reliable heat and no coolant leaks. I'm facing a plugged heater core on a 2012 Tiguan (passenger side cold air, drivers side hot) and will see if your procedure works on it. If so, I'll report back and you can add it to the list of applicable vehicles.

@NoNonsenseKnowHow 5 лет назад

Wow, that's awesome that you did that. Yeah copper ones are definitely the way to go!. And okay. Good luck with the repair. I appreciate that

@NoNonsenseKnowHow 6 лет назад

On Amazon: *HEATER CORE: amzn.to/2ukIaR9 *TORX DRIVERS: amzn.to/2unOUh2 *MECHANICS TOOL SET: amzn.to/2NctGIC

@SENSUI347 4 года назад

I HAVE A 2013 VW PASSAT AND ITS BEEN TWO YEARS THAT THE PASSENGER SIDE HOT AIR IS NOT WORKING. I TOOK IT TO THE VW DEALER AND SPENT AROUND $800 ON THIS ISSUE..IT WORKED FOR A FEW WEEKS AND WENT BACK TO BLOWING COLD AIR WHEN I PUT THE HEAT ON..ANY IDEAS 💡 ON THE REAL ISSUE THANKS 😎

@SENSUI347 4 года назад

NoNonsenseKnowHow ALSO THANKS FOR THE VID I FLUSHED THE COOLING SYSTEM N REPLACED THE HEATER CORE ON MY 2013 VW PASSAT

@n9wox 4 года назад

@@SENSUI347 If you have auto climate controls & heat only from one side, then the right blend door is stuck or actuator may have failed.

@NoNonsenseKnowHow 4 года назад

@@SENSUI347 sorry just saw your comments now. Did that end up fixing you issue? If you read down in the comments, a few other people had a problem with the passenger side not blowing hot

@willsmith8359 6 лет назад

Great vid!! I have to replace my heater core on my 2009 Jetta. I was told the entire dash had to be taken out! Thanks!!!

@jrrome 5 лет назад

Thanks for the video! This worked great for my 2013 2.5L. I blew the coolant out of the old core and didn’t spill a drop in the interior. I had trouble separating the top pipe from the core as there is much less flexibility than in the bottom one, even with the screw loosened. I wound up cutting the core pipe with diagonal cutters, pulling the core out and then using pliers to remove the remaining core pipe stub from the water pipe. If you cut the core pipes it will save a ton of time during removal.

@ashmiramant 5 лет назад

Jeremy Schemm did you have any trouble putting the new one back in? We also cut our old one out like you did but now we're having trouble getting the pipes to come back together.

@gregoryb4509 5 лет назад

Hello Ashley, did you find a solution ? I have the same problem. I spent 3h this morning to try to remove the heater core. But impossible to separate the core pipe. Before cut them, i will be sure that i can re-install the new heater

@maestro8266 4 года назад

@@ashmiramant did you ever get yours to connect? Bottom connected after wrestling with it but top seems too short.

@ashmiramant 4 года назад

@@maestro8266 unfortunately not. We ended up having it towed to the shop and finished there which killed me because we got charged just as much as if we had just given it to them from the beginning. We were having that same problem and just couldn't figure out how to fix it.

@maestro8266 4 года назад

@@ashmiramant thanks for the reply. Sorry didnt work out for you. i got it to come together once but it leaked. Having a hard time getting it to go back over the new oring now:[

@juusoeskelinen3735 5 лет назад

Changed with these tips today in 2 hours total. Thank you! Only difference in vw passat 2010 b6 is that the hoses that goes throuh the firewall are aluminium not rubber. Had to break pipes from old heater core to get it off. But heating works now on both sides 😊

@SalvadorSTMZ 5 лет назад

What do you mean by brake pipes? My vw cc has metal pipes too and I was not able to get the heater core out because of this.

@richhackenberg8 4 года назад

@@SalvadorSTMZ i am having the same issue, i cant seem to be able to slide the aluminum tubes apart

@s8jiwa Год назад

@@richhackenberg8 did you find a solution for this?

@deannawood9188 5 месяцев назад

Used a Dremel and cut the aluminum pipes on the heater core then just pliers to wriggle the stuck pipes ends out of the tubes leading to the firewall. Then replaced with new heater core.

@20vtechnik 6 лет назад

*UPDATED BELOW* Thank you for the posting this! I have a 2013 Passat 2.5 and at 54k we lost nearly all heat on the passenger side. The car has run flawlessly excluding this issue but the stock heater core, as you mentioned, is VERY poorly designed. This heater core change isn't as easy as changing the core in my 91 Audi 200s (30 minute job) but it seems definitely doable for any average mechanic like me. Certainly beats paying a 1000 plus to the dealership..Thanks again for your tutorial and adding to my confidence on this job! New sub!

@NoNonsenseKnowHow 6 лет назад

20vtechnik No problem and thanks so much for the subscribe! glad to hear you're going to take care of it yourself instead of paying top dollar at a dealership. Also thank you for sharing your model/year and symptoms.

@20vtechnik 6 лет назад

I should have updated this sooner but better late than never.. After digging deeper into my lack of heat problem (passenger side) I found the issue. It was NOT the heater core but a simple temp sensor in the passenger side vent in the dashboard. VW part # 3D0907543A. I replaced it for about $30 and it completely fixed the issue!

@NoNonsenseKnowHow 6 лет назад

20vtechnik awesome! Glad to hear you figured it out and thanks for updating

@rivre02 6 лет назад

i have the same exact issue on my 2013 Passat SE. I figured it was not the heater core given the left side heats up perfectly. The warm/hot air just isn't getting to right side vents. Can you elaborate more on how you accessed and replaced the temp sensor. I was thinking the issue might be have been a bad blend door actuator... but I would like to hear more about how you diagnosed the temp sensor failure, please ! And thank you for posting this.

@20vtechnik 6 лет назад

On the 2013 Passat there are access panels on both sides of the dash. One on the drivers side (which also contains the fuses not found in the main fuse box) and one on passenger side. Open the front car door/s and look at the side of the dashboard and you'll see it. You can use a flathead screw driver to pop the panels open. You will see an electrical clip that is attached to the sensor which runs into the plastic venting system. Twist the clip to carefully pull the sensor down from from the vent then disconnect the clip from the sensor. I simply switched the sensor I knew was working (drivers side) and swapped it to the passenger side (and vise versa). Then I turned the car on, let it warm up and checked for heat on the passenger side. Now, heat on passenger, none on driver.. Hopefully this is your issue and not a faulty blend door actuator. I've heard those are a bit more money and take more time to replace. Check the 1stVWparts site if you do need a new sensor. Hope this helps!

@blueyesmoke Год назад

Thanks so much. This video is amazing. I really appreciate the detail. Got this done in a few hours (I'm slow!) and saved me over $900.

@NoNonsenseKnowHow Год назад

Glad it helped! Thanks for the tip!

@propertiesbysalkhan3510 4 года назад

Thank you for taking time I have the same problem I can do this my self Thank again

@KE.T500 Год назад

Im having the same issues with my '12 VW Passat SE 2.5L. This video was very very helpful to understand how-to fix and replace the Heater Core on a VW Passat!! I wish you were in my city fix my VW Passat! Lol! After watching your video I think I can fix & replace the Heater Core in my VW Passat. Thanks for making this video!!!

@rio4run 4 года назад

I have a 2010 VW cc Passat with over 107,000 miles. Just took the car in because of no heat coming on the passenger side and rather low heat coming out of the vents on the driver side. I thought it was a bad temperature sensor but turns out it is a bad heater core. After viewing this video I feel pretty good that I got almost 10 years and 107,000 miles out of the heater core before needing a replacement. I am relieved that the core comes out quickly as I was concerned about having to remove the entire dash. While the core may cost on a few dollars - parts and labor run over $1,000 where I live. But hey, thanks for posting this video.

@NoNonsenseKnowHow 4 года назад

That's pretty good. I've seen them go bad countless times at much earlier mileage on these vehicles. Thanks for sharing

@angelparedes7127 3 года назад

Excellent how to. I was expecting a bear of a job having to remove dash. Can't complain though, mine's got over 200k miles. I suffered with no heat last winter. If only I'd seen this sooner !

@NoNonsenseKnowHow 3 года назад

Thanks. Good luck on getting it taken care of

@nathanielfuentes5294 7 месяцев назад

First off, great video. Super helpful. Really appreciate the time and effort you put into helping people. I have a 2015 Passat TDI. 187k. It’s on its 3rd heater core. 1st two replaced by the dealership. I’ll be doing the last one myself. Even with coolant changes, the heater core and radiator have gone out on this. Really sad designs.

@marcionascimento3244 2 года назад

you were amazing in this video, you helped me solve my problem, i spent the day disassembling the car and looking for this part to change and you showed where it was in a direct way! thanks

@wandameadows5736 2 года назад

Great to see VW making heater cores more accessible.

@NoNonsenseKnowHow 2 года назад

Yea

@kennethburton9165 3 года назад

I'm on my third heater core in the past 14 months, I've driven 25k miles in that time. I have a 2014 Passat TDI, it's still under the VW warranty after the TDI recall. My dealer tells me they flush the system each time but don't think their are because there is still sentiment in the holding tank. My option is that the dealer makes a lot of money doing heater core replacements that they want the customer to keep coming back with clogged cores. This heater core replacement look very easy and once my warranty expires I will be doing myself, plus I will make sure the entire system is completely flushed.

@NoNonsenseKnowHow 3 года назад

Wow, that's crazy that you've had three of them already. I wouldn't doubt that they are skipping the flush as well. Unfortunately it seems like just a poorly designed core and set up. Maybe try using a really high-end engine coolant that has a lot of anti-corrosive?

@brdman55 3 года назад

I am putting in my second heater core in my 2015 passat tdi in 10 months. About 25000 miles.

@NoNonsenseKnowHow 3 года назад

@@brdman55 that sucks. Yeah these are definitely a poor design. Maybe somebody will make an aftermarket heater core that is better quality.

@brendonhullinger7317 3 года назад

Dude, this was a freaking great video for sure! I have a 2.5 2013 Passat- and it’s been AMAZING for the last 8 years I’ve had the car until this past year. (The car is still amazing). I just have to replace the heater core because I don’t have heat on the passenger side 🥺

@shawntiffany9125 Год назад

I have a 2013 turbo Beetle with same problem, did the core replace fix your problem?

@t0nito 5 лет назад

Good thing VW redesigned the heater core access! I had to replace the core on my previous Passat B4 and had to remove the entire dash, that was a pain! I now have a 2011 B7 Passat, but mine's a Euro version, not sure if it's as easy as the US version

@ea3760 5 лет назад

YOU SIR! ARE A CHAMP!!!!!!!! You just yourself a new subscriber!!!! More vw vids!

@NoNonsenseKnowHow 5 лет назад

My man! Thanks for the subscribe.

@gofollowjesus 5 лет назад

Thank man, followed your directions and was a quick fix. Thanks for posting.

@dk91105 6 лет назад

FYI, there is zero info online for doing this to VW, CC but the procedure works out 100% the same for at least the 09-12 models. I tried to do this without disconnecting the lines at the firewall and loosening that bolt and it is impossible to do without doing that first.

@jpzp896 5 лет назад

So, it is the same on an ‘09 vw cc ? Just want to make sure before buying the heater core... Thanks

@stratanreviewsfixed3321 3 года назад

Well done mate, very nice touch for cutting it up and showing us the inside 👍🏻

@NoNonsenseKnowHow 3 года назад

Thanks Peter.

@patringler 2 года назад

very good video, no waste of time & to the point. You're correct about the older ones....replaced one in my old 98 jetta years back and had to take to complete dash out!

@nmcben Месяц назад

Great video thanks for taking the time to make it

@TheBatman696969 6 лет назад

Bro, nice job. I've been looking for someone to replace this on a newer model. Alot of vids mention about simply irrigating the core out with CLR instead of buying a new one.....im up in the air about what to do...till now. I appreciate the vid

@Ronaldo_Football-Cr7 Год назад

Excellently done, very professional, I wish you were here in Vancouver BC to have my car fixed

@nomadsteve5297 5 лет назад

You are a lifesaver, thank you

@12thmanreppin Год назад

AND I THINK THIS JUST SOLVED MY PROBLEM!!!

@clarencewiles963 Год назад

Thumbs up 👍 yes on old coolant change it out😊

@carmelom269 2 года назад

Lubricate O-Rings with what??🙄 Also, can a bad Heater Core cause annoying interior window and windshield Fogging? If so, can you explain why this fogging is occurring?

@consideritdonemi 2 года назад

This is what is happening with my 2015 Passat TSI Wolfsburg edition windows & windshield. I am still trying to troubleshoot the issue to see if I can do something about it myself. I have no heat coming out of the floor vents specifically & with winter upon us in MI, it's a problem. Heat seems to be coming out of the top/mid-air vents mostly okay (though I have to sit in the passenger seat to see about the far right side since many people are mentioning that specifically). My front windshield defroster action is definitely not great though.

@ryansorenson9198 8 месяцев назад

One of the main reason why they plug up is from not replacing the cabin air filter. I recommend replacing that as well. Supper easy to replace. It's on the passenger side under foam thing with finger tight plastic clips.

@bacala0 5 лет назад

Tiguan heater core replacement is a mayor pita! Great video.....

@NoNonsenseKnowHow 5 лет назад

I can imagine! I haven't done one before!

@DarkAttack14 7 месяцев назад

I am convinced VW designed it like this because they knew the heater cores on the TDIs would fail twice before 100k in some cases haha. The EGR cooler being right before the heater core must have something to do with it.

@serhiishytikov5811 3 года назад

Thank you for a great video. Going to change mine tomorrow since I have a problem . ( passenger side is blowing colder then driver side) & if blower in hight position the air is getting colder slowly. Thanks again

@NoNonsenseKnowHow 3 года назад

No problem! Thank you and good luck on the repair

@horatiotimewaster5755 5 лет назад

Great video. I have a mk7 gti that is blowing lukewarm. Hope that it's constructed the same way....The job doesn't look too bad, thanks a ton!

@michaelp865 5 лет назад

Horatio Time Waster same problem. VW says it’s my heater core that’s broken at 42k miles. Already out of warranty.

@gplusgplus2286 5 лет назад

Bloody hell that was easy!!

@edgarfigueroa6805 Год назад

Great video! Thank you!

@toddsublette3005 4 года назад

Easy peasy . Thank you that was awesome

@NoNonsenseKnowHow 4 года назад

No problem!

@valeriecooper9253 5 лет назад

Hello, thank you for the video for replacing the heater core. Could you do a video for replacing the evaporator core for a 2014 VW Jetta?

@anowzanaw4189 3 года назад

Thank you really clear your video

@NoNonsenseKnowHow 3 года назад

You're welcome!

@toddgilroy4075 8 месяцев назад

Thanks!

@NoNonsenseKnowHow 8 месяцев назад

Glad you found the video helpful! Thanks very much for the tip

@scottl5000 2 года назад

WELL DONE!

@lucasjansen8789 2 года назад

I can’t believe it’s that easy. Volkswagen charged me $1500 to replace mine a couple of months ago. Never again

@Niko-gi5dl 3 года назад

Great video man! Thank you!

@NoNonsenseKnowHow 3 года назад

Thanks and no prob!

@doserdiesel 2 года назад

Thanks for the video looks easy enough!

@scottfree2322 4 года назад

Thanks, gonna put one in tomorrow

@NoNonsenseKnowHow 4 года назад

Sweet. Good luck with it. And no problem

@prestensmithers2576 7 месяцев назад

The plastic lines at the fire wall I have the clips out but cannot get the line to pop off is it just seized or is there a way I need to turn it? Thank you

@andym8367 2 года назад

Thank you! Great job

@dekonfrost7 5 лет назад

Good job.

@ItsJay_ 3 года назад

Same process for 12’ Volkswagen CC?

@AlMERderYa 2 года назад

Appreciate the video, can you maybe give some info on what we’re draining and re filling, it’s it same coolant that goes in radiator? Would it be smart to flush radiator when you do this and put all new coolant in?

@kennkingg 2 года назад

Good information

@ken.l.378 8 месяцев назад

Hello, does this video applies to vw polo gti (6c) 1.8T 2016? My polo has no hot air anymore! Thanks in advance.

@jessetravella8284 4 года назад

Perfect Video Brother!!

@derkaderkastan420 3 года назад

P2457 code a symptom as well? I have the heat issues where it blows hot for like 15 seconds

@todduubutler 3 года назад

Great video! Frustrating in that i have the new heater core in but the connector pipes won't fully reach the pipes on the core. About 1/2 inch to go before the connector clamp will work. Can I just connect the 2 pipes with a heater hose and clamps?

@NoNonsenseKnowHow 3 года назад

Thanks. And they may not be lined up properly. They should be able to force in to each other. Butt all the way tight and then the clamp holds them in place and seals them with the O-ring

@jaskaranjawandha832 Год назад

Im getting same problem did you find any solution for this not able to connect the pipes

@taylorak9 3 года назад

I am having a hard time trying to put the hoses back on. its fighting me and not wanting to go in. Kinda at a loss at the moment. Any ideas? It seems I might have used too much force to get the heater core hoses off of it and now i think they are a little bent so it doesnt want to go anymore forward and connect to the heater core.

@NoNonsenseKnowHow 3 года назад

yeah they are a little tough to get on. Make sure to have a little bit of lubricant or grease rubbed on them and that they are straight and lined up before trying to push or force them on. If you bent the back line then the alignment is probably off. Honestly there's not much more I could really tell you but they are definitely a pain in the butt to get on. once they're lined up properly you have to just muscle them into place. Not a great design

@jaskaranjawandha832 Год назад

Hey brother im having a same problem did you find any solution

@josephkohlerjr.8407 3 года назад

Great video....

@ivanvega2821 8 месяцев назад

Great video, I have a 2013 Volkswagen CC and it has no heat… sometimes it does.. and other times it doesn’t. More times it doesn’t. So the vehicle doesn’t have heat and it over heats at idle. It seems to stay at 111C, a little past 190F on the cluster gage. So precious owner had the bright idea to put gasket leak fixer additive in the coolant. He thought the vehicle had a bad head gasket…. So I flushed all that nasty coolant filled with that sparkling additive as much as I could with distilled water and added real G13 coolant. Vehicle still doing the same thing. Any suggestions would be appreciated. Also…. No check engine light or codes.

@floupe1 2 года назад

Thanks for the helpful video, I have a problem, my heater core is plugged up and it's restricting the flow of coolant through my EGR valve cooler so I have an engine light coming on plus my heat didn't work in the winter time so I knew it was plugged up anyways my daughter has the same car 2014 Passat she had the same problem the coolant that they use in these cars I think is a big problem

@The3lloba 5 лет назад

Great! Thanks for taking the time.

@NoNonsenseKnowHow 5 лет назад

No problem man! Thanks for taking the time to leave a comment. :)

@The3lloba 4 года назад

@@NoNonsenseKnowHow Hey man! I think I might be having this problem and I have a question, do these come with a flow control valve or fluid just keeps on circulating constantly? Trying to figure out whether the problem is heater core related or not. Thanks a lot!

@NoNonsenseKnowHow 4 года назад

@@The3lloba I'm not sure if there is a flow control valve on these or not. My guess is no I don't think there is one. These are extremely common to be clogged up though I will tell you that much. If you see the end of the video you can see just how type the clearances are inside of it and they get gummed up and corroded

@The3lloba 4 года назад

@@NoNonsenseKnowHow I see what you're saying! Thanks I really appreciate it..

@NoNonsenseKnowHow 4 года назад

@@The3lloba no problem man, good luck on the repair. It's a pretty easy heater core to do for sure

@jimmac1185 3 года назад

If you can push the hose forward from inside the car, is it really necessary to disconnect the hoses in the engine bay? Great tutorial btw!

@NoNonsenseKnowHow 3 года назад

Been a while since I did one of these so I couldn't tell you for sure. And thanks!

@AldoApachi- 7 месяцев назад

So, my heat was getting weak but still working. I had mechanics wash it up - or I don't know how to say in english - they disconnected the two tubes from the front side, and connected two tubes of distilled water. After that cleaning hot air barely comes in the car. I'm not sure what's at fault, is it the heater core or maybe coolant is not getting there? X_X

@MrTheomighty1 5 лет назад

Hi, my Vw Passat 2013 r-line with 43k miles on it well it’s in the car garage atm because I’m getting smoke inside the car, I’ve had a new fan with resistor fitted but 3 weeks later my garage has said it’s down to the auxiliary heater that has failed as in a week of them having my car the mechanic has seen smoke coning from the passenger side footwell it only happens when the outside air temp is below 5 degrees so I’m assuming the auxiliary heater is kicking in to warm the coolant/inside of the car faster, I’m trying to get myself knowledgeable on how to take it out so I can let others know, is the auxiliary heater fitted along side the heater core ?? Thanks 🙏

@andrewbrown1463 3 года назад

If you have heat on one side, cool only on the other (Climatronic) PLEASE READ! In a dual heat zone Passat there are two Blend Door Actuators which control the mix of warm and cool air depending on the user setting. One actuator for each side. If in SYNC mode these actuators should travel together and offer the same air temp. These are unfortunately very cheaply made (CHINA). I just replaced my heater core and my issue remained. Took the next step in troubleshooting, and noticed the driver side blend actuator was intermittent. When commanded to a warm setting, the actuator wouldn’t move...when I tapped it it would then travel to the proper position. THESE FAILED ACTUATORS ARE WHAT CAUSE TEMP DIFFERENCES when in SYNC mode. Again, one would think BOSCH would make these for VW but the old and new actuators both state made in China. This part was not fun to replace. It’s buried up in the driver side foot well, above the heater core. Had to take all kinds of stuff apart, but this is possible to fix. Dealer would easily charge well both of $1000. New part was $130. With new heater core and actuator, my 2017 Passat has very hot heat now.

@NoNonsenseKnowHow 3 года назад

Cool, thank you for adding that detailed information

@harvirkambo3352 3 года назад

I had the opposite, tried to replace blend door motor actuator, problem remained the same. Thinking it’s the heater core now in 2013 Jetta GLI

@harvirkambo3352 3 года назад

Hey, there’s probably a answer below to my question but same issue, hot air in driver side but not passenger side. Tried changing blend door motor didn’t solve the problem. Thought maybe it was clogged heater core and did coolant flush, didn’t solve the issue. Now looking towards changing heater core. Let me know your thoughts.

@harvirkambo3352 3 года назад

2013 Jetta GLI 2.0 L I’m guessing it’s the same as the Passat to replace heater core

@skabbed3202 4 года назад

Oh yeah I did my fox body and it was a pain!

@NoNonsenseKnowHow 4 года назад

Yeah that's for sure. I did the heater core in my 86 Fox body about 10 years ago.

@themylezfamily4063 5 лет назад

Very helpful

@JoshLTR450 2 года назад

I am having the issue on a 2015 Jetta of cold air blowing on the passenger side and hot air on driver side when the heater is on. My car does NOT have dual zone climate control. I opened up the area where the blend door is located and it appears as if both doors are opening/closing when changing from hot to cold air. Do you think it may be a heater core issue?

@caifanesdf2000 3 года назад

Thanks bro! 👍🏼😎👍🏼

@NoNonsenseKnowHow 3 года назад

No problem!

@gabrielesquibel763 5 лет назад

Any suggestions for when reinstalling cant get heater core hoses to go back in all the way.

@NoNonsenseKnowHow 5 лет назад

Leave them with a little bit of motor oil or coolant

@baxtronx5972 Год назад

I'm not understanding the loose clamp near the end when you are installing the new heater core. Am I missing something? Does it clamp tighter and you just skipped that part in the video?

@DieselAddiction1031 11 месяцев назад

I have a 15, and I get very weak airflow coming from all vents when heat is selected. If I turn it to cool, it blows out normally, turn back to heat, the flow coming from the vents gets cut by about 70%. All mode doors appear to be working and the blend seems to be as it changes from hot to cold, it’s just the airflow is terrible on heat. Have heard of some people changing the core and it fixes it? Doesn’t make sense to me unless the face of the core is blocked so air can’t go through it well. Any ideas before I try a core? Dual zone.

@ericriedesel1338 10 месяцев назад

I'm having a Similar problem in my 07 dual zones. It's hot on passenger vents but passenger floor is cold. I've had my windows fog up with coolant mist or film. I can't get no airflow through the floor either. So I assume I have a bad actuator also. I don't know where to start. If you find your troubles I'd like to know

@nickolas6664 4 года назад

Thanks. You sound like Wreck It Ralph

@NoNonsenseKnowHow 4 года назад

No problem man! and i Don't know who that is I'll have to check him out

@justforfunrider5898 3 года назад

Having trouble lining the tube up properly with the new one

@NoNonsenseKnowHow 3 года назад

Yeah, it's kind of a pain in the butt

@brenthubbard5922 3 года назад

I have a 2015 Passat with no air coming out off center vents and very weak on outside vents. No heat as well. Do you have any ideas? Thanks

@NoNonsenseKnowHow 3 года назад

No heat is probably a clogged heater core. But you would need to take some of the steps that I went over in this video to verify that. And as far as the weak air,, if you read down in the comments, a few people had similar issues and discussed the fix

@joemata2512 2 года назад

Sir, thank you. I do have a question, what if heat is coming out of the driver side and not the passenger side (single not duo settings) and after about 30 min then hot air comes out the passenger vents. Same with defrost. What would be the issue?? I have a 2012 VW Tiguan.

@sskkuuddrraa 9 месяцев назад

I am going to try flush mine. Which of those pipes is inlet?

@s8jiwa Год назад

Thanks for the video. I have a 2011 GTI with a plugged heater core. I was able to get to the heater core inside the car (very similar to the Passat) but because of the tight fit, I am not sure how to pull the inlet and outlet hose out. Is loosening the 6 mm screw inside the engine compartment will give a little more wiggle room with the two hoses? Is this why i have to loosen the 6 mm screw? Thanks

@abhikhare7 2 года назад

I have a 2014 TDI SE, and two things happened at once. CEL came on with the error code P2547, and the air vent stopped blowing hot air. P2547 is an EGR code, and I think the EGR is downstream from the heater core, so I believe the sensor isnt reading temperature values in the right range since the heater core is clogged. I cross checked this by comparing temperatures on the inlet and outlet pipes/hoses of the heater core, and after running the car for 15 minutes, one stays cold (I think they should be similar in temperature). I have ordered the replacement core from VW and will be using this video to fix it myself since mechanics are quoting $900 for the fix.

@lucasmurray922 9 месяцев назад

Did it fix your problem?

@carmelom269 2 года назад

Question about the two aluminum pipes connecting to the Heater core inlets. Did you have to push those pipes forward by pulling from the engine compartment?

@jrprimo5372 Год назад

not bad... thanks

@Joserrow 5 лет назад

I just flushed my coolant a month ago. Is it necessary to drain the coolant? Or will it spill everywhere once you disconnect the lines?

@NoNonsenseKnowHow 5 лет назад

It's a good idea to drain some before disconnecting the hoses if you don't want to create a mess. Or just put a pan underneath to catch the most of it when you disconnect the hoses

@billgattis1445 3 года назад

Great video. How about on 2013 Passat that blow hot air on driver side and cold air on passenger side? It is winter time so want hot on both sides. Car does not have dual climate control so I am baffled on what might cause this.

@NoNonsenseKnowHow 3 года назад

Thanks. If you read down to the comments, a few people had similar issue and discussed it

@ns-gr5mt 3 года назад

Thank you great video. Could you do a video for replacing the heater core for 2017 vw jetta

@NoNonsenseKnowHow 3 года назад

No prob. And maybe sometime in the future if I run into one that needs it.

@Sharmasahil21 5 лет назад

Hi . I am driving vw passat 2013 2.5l . Driving side vents are blowing cold air and passenger side warm air. Its winter its getting hard now. What you think could be the issue and how can i fix it . Thanks

@NoNonsenseKnowHow 5 лет назад

If you read down in the comments, a few people had a similar issue. If one side blowing hot, then a clogged heater core is not your problem. Sorry I couldn't be of more help.

@travish325 3 года назад

Do you have to unhook the coolant line in the engine bay going into the firewall? It looks like that wasn't needed.

@NoNonsenseKnowHow 3 года назад

Yes because you want to drain the coolant. You don't want to spill inside of your car. If you unhook that hose and then blow out what's inside of the heater core you're much less likely to spill inside of your car

@dimitrismits4413 4 года назад

Hello and sorry for my english. I have bought a used vw golf 7 1.6 tdi 105hp 2014 model. The last 5 days i am hearing a sound like liquid is running through pipes in the dashboard. Also i hear the sound before i start the engine (for 30sec), as i drive (all the time i am driving) and when i turn off the car again for 30sec. Please do you have any idea or any solution for that; thanks.

@NoNonsenseKnowHow 4 года назад

It sounds like you have air in your cooling system. Usually this is due to a coolant leak somewhere or sometimes a bad head gasket but that's less common. Have you checked your coolant level in the bottle?

@dimitrismits4413 4 года назад

@@NoNonsenseKnowHow i went to my mechanic today and he pressured the coolant bottle to see if there are leaks but nothing happened! yes the coolant level is a little higher from the max point.

@youssefhassan8524 4 года назад

And do you have to remove the screw from the engine bay or can you squeeze them out

@NoNonsenseKnowHow 4 года назад

You just have to loosen it

@youssefhassan8524 4 года назад

I meant like can you do it without making it lose and squeeze the hoses out the heater core

@NoNonsenseKnowHow 4 года назад

@@youssefhassan8524 I'm not sure. I've never tried to. If you do, let me know how you make out

@leandrosilva7237 4 года назад

I have a 2013 vw Jetta gli with the same problem. Any idea if it’s the same set up?

@NoNonsenseKnowHow 4 года назад

Honestly I don't recall. I think it's basically the same thing. But if you look down in the comments, I think somebody may have asked the same question a while back. sorry I couldn't be of more help

@daftnord4957 4 года назад

can't thank you enough for this video. i was able to refer to it multiple times while i changed one out in my girlfriends car in a parking lot during a 18F breezy snowstorm over the weekend. Heat works HOT now. But what's the best method for burping the air out? same as other cars?

@NoNonsenseKnowHow 4 года назад

Awesome to hear the video helped you knock it out and thanks for commenting. Where are you located that it's 18 degrees out? We still have pretty mild weather here in Pennsylvania.

@NoNonsenseKnowHow 4 года назад

And generally just topping off the coolant and running it with the cap off until it gets up to operating temperature is good enough. Occasionally on some cars I'll have to rev the engine a few times to get the coolant to migrate into the heater core. Or in rare cases Jack the front of the vehicle up and that will assist. But on these Volkswagens usually no problem

@daftnord4957 4 года назад

@@NoNonsenseKnowHow lol in the black hills of south dakota. just had to be up in the mountain when it's prairie all the way around, although the temps weren't much higher at the bottom of the mountains. i'll have her try that, thanks again

@NoNonsenseKnowHow 4 года назад

@@daftnord4957 Cool! I've been through there a few times. Beautiful area. And no problem

@shaundavis7684 3 года назад

Video is great! I have the bottom hose disconnected, but can’t seem to get the top one to come loose. Any suggestions?

@hmurillo90 2 года назад

Hey can it be the heater core if only half the dash driver side only is heating and passanger side is cool?, no other problems are occurring like overheating or blown head gasket

@stevehiatt848 Год назад

Hi, are there pipes in there that could vibrate against covers or each other to give a tinny rattle?

@glfpllc2274 3 года назад

Great video. Quick question. I have a 2014 passat 1.8t. I notice my heater is not producing hot air from the vents. it only gets warm. I also notice the passenger vents are noticeably warmer than the driver side. Actually the driver side barely gets luke warm. Is this a Blender issue or heater core issue? I have seen comments suggesting that it can be either or both. Thanks again.

@NoNonsenseKnowHow 3 года назад

Thanks. And correct it could be one or both. These are extremely common for clogged heater cores. I actually just did one today at work