Passat Heater Core Replacement VW- Super Fast and Easy. B5 MK5 1996-2005
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- Опубликовано: 17 окт 2024
- I found the best to way to remove and replace the heater core in a Volkswagen B5 Passat. The first time I replace one it was very hard and frustrating, I dismantled the dash piece by piece in order to get to the heater core. I knew there had to be a better way, my second time I figured out a way to pull the entire dash out as an assembly and the removed the heater core from the back. I was able to do in about 4 hours!
I hope you enjoy my how to video on replacing the VW Passat heater core.
You can contact me at madsenwhit@gmail.com
PayPal- madsenwhit@gmail.com
Parts and Tool Affiliate Links:
Metal ( No plastic Crap) 8D1-819-031-CVW heater Core amzn.to/2QRLDzr
The Audi A6 should be very similar. Engines 1.8 2.8 1.9 2.0
dec 2023 I swapped out A4 B5 using this procedure......a real blessing to get windscreen demister action back up and running...and heater comfy warm... happy days....I also dismantled air box ( not easy, some clips broke in process ) and aluminium tape to replace disintegrated black sponge on heater diverter flaps...no more sponge being blown into cabin
Great video and soundtrack helped a lot with calming anxiety about taking it on
Superb stuff. I just did mine with the help of this video and another one. Altogether took me about 5 hours on a RHD diesel. Mine is in really good condition and I intend keeping it for a long time and this also gave me the chance to replace or fix broken bits of trim and loose wiring.
Nice work!
4 years later but this method is awesome; I've done it the Bentley way and this is so much better. Instead of a weekend, it was about 6 hrs and I took my time. Thanks very much,
Geoff Duncanson that’s awesome! I have a ‘01 Audi A4 and the heat has just started to fade at idol or when heat is full blast ( I haven’t tried the flush) you figure this is the way to go? Im mostly worried about destroying my almost mint wood grain!!!???
Hey AutoTech guys. THANK YOU!!!! I finally got the courage to try this. Having seen a car assembled at the factory, the dash goes in in one piece so no surprise it comes out that way too. Before this job, I have tried flushing and reflushing -- after taking out the old core, I cut it in half and even with a flush a week ago, most of the core was still clogged. It's a fools errand to flush and expect it to be good as new. So, at my local VW mechanic's advice (Neil @ Ellis Automotive) I got the Nissen heater core. It does indeed take about 3 hours. Took me more because I flushed the entire system after. Some tips for others that might do this: 1. the steering knuckle is a torx50; the bolts in the fan box @ 0:58 do not need to come out; the bolt at 1:44 connects the brake/clutch pedals and is between them; the wires at 1:49 for the clutch safety switch can be mixed up as there are two of the 2 wire connectors (I made the mistake of reversing them so the car would only start if the clutch was not pressed, whoops). AutoTech, I can't thank you enough. Had I known it was this easy, I would have done this years ago. Total cost: $110 CDN for the Nissen Core; $80 to Searles Auto in Victoria to drain and recharge the refrigerant; $30 for VW Victoria for 4 litres of G12.
what model Nissan heater core? yr? part #? thank you
renn16v For my Passat B5.5, Nissens 70224 from Rockauto.com.
I got your response on my email. but I don't see it here, thank you
Rob and Les Mill/Termuende so all four bolts at 0:58 don’t need to come out or just the two on the right?
7 years later and as I am about to embark on same project....working outside, on my own, during British autumn/winter.......this has helped with confidence boost ! thankyou : )
This is an excellent video and I take my hat off to you. I have sold a Golf Gti mk 2, a Seat Alhambra and another Golf GTi mk 3 ALL because the heaters started to blow cooler after about 8 years old. I knew it was the heater matrix getting clogged with sh$t over time. And, I knew it would be expensive to rip the dash out, especially in the Alhambra which is about 3 feet deep! I did ask my VW service chap about it and he said "Sell, sell, sell"!
I need to thank y'all personally, posting this video and showing people you talent saved me $1000 in repairs. Yall gave me the courage to do it myself and every bit your instruction helped me do this repair all by myself. Pretty empowering thanks fellas.
Stephen Kelley That's Awesome! Good Job!
I've been driving (1998 2.8L S4) with just heated seats in the winter for 6 years because every mechanic says it's a huge job. Roomate is a VW mastertech and said this is possible. I'm going to tackle this with him before this winter. I really don't want to get rid of this car!! I just know realistically that the next $1000+ job will mean the end... almost 200k miles, everything is still in great shape. Just not safe in the winter if you cant see :(
Thank you so much for this!!!! Book time is 10.2hrs on this and I was able to get it completely done in about 5hrs!!!
Did mine 2 hrs flat
I used this technique on my 2001 Audi A4 2.8l Quattro
I can't thank you enough
You saved me many hours
louis brugnatelli hey! I see this OSs an old vid/comment but if you get notified; .... I have a ‘01 A4 2.8l with 168,000 on her, the heart has just started to fade (at low rpm/idol) I haven’t tried a flush yet but I’m going to this weekend 🤞🏼 I am not a mechanic I am Journeyman fab/welder though with quite about of mechanical experience mostly in motors and mechanical stuff. Taking the hole dash apart is a bit intimidating (especially since all the ‘wood’ rim is getting very brittle and the interior is in mint condition I don’t wanna f-it up... is this the better option of a guy that has never had the interior apart in your opinion? Really don’t want to pay $1500 for a $80 part!!!
Hopefully you see this! Thanks for a reply if you do!
🇨🇦
Thank you so much! I have been with out heat for 3 winters and one of them we had temps with highs below 0 for 60 days straight! I have been dreading this project because it seemed so daunting with having to remove the steering wheel airbag, the steering wheel, radio, climate controls and everything else involved without having detailed instructions. Your video gave me the courage to tackle this project. Your video was near perfect; there was just one extra wire I had to disconnect near all the red wires connected to the 30 terminals. Thank you for making my winter commutes warm and toasty, again!
Bryan Watson Hey Brian, so you were able to go three years with a broken heat core? Did you have to fill the car with coolant or water constantly?
Lisa He you can actually bypass the heater core and recycle the coolant
I have to do this job on my 02 passat, i was dreading doing the job piece by piece . Thank you for posting this great time saver, Now wont be afraid to sell the job at my auto shop
snoopmax1965 Awesome let me know how it goes!
Yup super fast and easy we was shocked of how tremendously easy this was got it in and out in 30 seconds the whole job took us about 12 seconds Thanks!!
THANK YOU! I did this in 5 hours compared to the 7 hours I was quoted from shops. 900 bucks to install a $25 part! NO THANKS!! Something to keep in mind for all newer vehicles as I understand most of them are built this way these days.... Thanks 1000 times again!
+Portalnator Back from the dead Your welcome - Happy to help!
could I used this for a 2001 Volkswagen Passat station wagon with a 2.8 liter V6 engine?
could I used this for a 2001 Volkswagen Passat station wagon with a 2.8 liter V6 engine?
+MrTeatreeoil Yes your car should be very similar!
+AutoTech mechanic's greed, they want $1000 in labor now that's bull shit
Excellent instructions. you need to remove the black and yellow wire from the left terminal also. Thanks for the help
My friend and I replaced heater core in 2003 Passat, 1.8. What an experience! We did it all by watching RUclips videos. I have no intentions of doing another but I would try your way in a heartbeat.
Thanks for making the heater core video it was very helpful and much easier than the procedure in the Haynes manual
+dano521 Thanks For Watching!
I just finished this on a 2000 Audi A4 (B5 Chassis). Worked great. The A4 has trim around the center console that has to come out, so the Radio, climate control, ash tray, and frame for all these has to come out first. Otherwise it is pretty much identical, and much faster than disassembling the entire dash. THANK YOU for sharing this method!! I also removed the drivers seat--it makes it easier to get under the dash for all those wires, and is easier to move the dash around when it slides out.
+Jennae Cosio
There is some center console frame that is easy to remove, and there is a big part that is not easy to remove. Only the easily removed portion needs to come out. There are heater ducts to the rear sears that need to be disconnected(they just slide apart. There is one heater duct and wire harness under the carpet by the drivers right knee that needs to be pried off of a mounting stud (I used a crow bar to pop it off). It will make sense when you look at it. This is necessary to get a wire bundle out of harms way when sliding the dash backwards. The biggest challenge I had was removing the climate control. Had to pull really hard to get it free. Buy a set of four radio keys off Amazon if don't have them already. I took a bunch of pictures--I can send them if you like.
Tachi
+Tachi Callas Thanks for your insight- I'm glad you had success with an A4!
Tachi Callas can’t the hvac control just stay in there, like in the video on the b5?
I've done many passat heater cores, and I did them by taking piece by piece out. I was able to do them in about 6-7 hrs. I tried it your way and I cant believe how simple it is. I now can do them in 2-3 hrs!!! great time saver and great video!! Thank you!
Awesome! I hope you work flat-rate if not you need a raise!
AutoTech I got it down to about an hour now. I think we charge 8.4 hrs and I can do it in about 1 hr. It's awesome! But I can paid by the hour and not flat rate.
holy shit come to charlotte and do it for me, ill pay you $200 and a case of beer lol
You got it!!! I could use a road trip!
lol! I'm about to start it now. just dreading it, it probably won't be too bad. id rather pull the trans or the head than do this
extraa, hvala mnogo, ubedljivo najbolji tutorijal za mali hladnjak!
This is an excellent video and I cannot recommend it enough for someone needing to perform this repair. The only addition I'd make is actually a subtraction - no need to remove the bolts in the metal crossbar; only the nuts on the mounting studs, the small bolt near the wiper gear, the small center console bolts and the eccentric bolt connecting the steering column to the power steering shaft. Some of the harness plugs don't need to be pulled but they're so easy to replace it is of zero consequence if you pull a few extras just in case.
Picked up an 03 Passat GLS tonight, owner tried to hide the bypassed heater core and I was able to pick it up for $500! (Amazing what you can do what you catch someone in a lie..) anyways, I really appreciate the video! I plan on using it as a guide here in a week or so.
+Jeffrey Collins Good luck - let me know how it goes!
Nice one. All works great. Only one extra step for me was a cable to a 60 A fuse in the ecu container. I used some steel wire to push the locking tangs in of one of the fuse blade holders and so unlocking the metal blade holder from the plastic fuse housing.
The trick with taking out and putting in the heater matrix from the plastic compartment is to curve it out so it misses the underside of the top of the dash.
I had this work completed in 5 hours including tools out, tea, lunch and tools away.
Congratulations, I watched others in which unraveled piece by piece. I'm from Brazil, and I am trying to create the courage to make the switch. I'm afraid to connect something wrong. But congratulations on video.
Leonardo. J. You can do it!
you make it look so easy , I'm about to do one in my 01' Passat , I've done a all the work myself on my Audi's and VW's and found that I can get parts fairly inexpensively and to work on them is not that bad compared to other cars I've fixed in the past. My first Audi A4 saved my life when I was in a accident, they are tanks, since then I was sold on them. So don't let the fear of costly difficult repairs detour you from owning a Vw or Audi ,its not true.
Amen!
This weekend I plan to do this myself. I just need to ask, what tools I need? Something special? Some unusual torx/wrench size or type? Something I need to prepare before I start beside of draining A/C? And main question, am I able to do this SOLO? Pulling out the dash a putting it back. Anyway, THNAKS A LOT for video like this, very good!! Best regards from Czech republic, Passat Varianr ´03 1.9TDI owner.
going to do that on my s4 b5 . after seeing your video i think i can do it by myself. thanks for sharing this HUGE life saver!!
How did it go?
@@AutoTechMadsen i did it today. pretty straight forward with your video. the hardest part for me was to put everything together after it was done. i was alone. definitely this is a 2 men job.... HUGE thanks for your video.
Well done! Took me and a buddy about 5 hours to do this! Might start buying passats with blown cores 😂
Well here I go tomorrow my first one I have a 03 audi A4 heater core out and just bought a 03 passat wagon and Guess what heater core out, so it begins great video
thanks for the vid guys- im an auto body tech and always looking for as easier way to take things apart and i knew the heater core was gonna be an ordeal esp when i saw a diff one and they took every single part off the dash. ive got an 02 v6 4motion 2.8l wagon and hope theres nothing too different with this model. also have a 68 squareback lowrider- funny how both my vw wagons have no heat right now. thanks again for the info and excellent replies to others i saw with similar questions i had right off the bat. Cheers- mike.
Should be all the same- Good luck!
perfect instructions guys, definitely not something to attempt on your own if you don't do this kind of work frequently. thumbs up.
+Alex R thanks so much!
Great video, I'll be doing a heater core in about a week and trying to figure out the best way to do it. I'll be following your direction on this one.
Man! Thank you for this tutorial, you saved my life! :D It was pretty good idea for no disassemly the full front of car-interior. I had a leaked heater core radiator. But i think, it's not a good work for one ppl. I did with my dad, and one of my friend. (3x) And it was 4,5-5 hour while we disassemle and reassemble the full interrior.
BTW again, thank you for this video. ! HONOR YOU!
Awesome!
German engineering man... I love it until I have to replace a heater core.
Good job guys thank you for the informative video.
I'm pretty sure this guy said very little, if anything, and I understood this more than any other video I've watched
I might be picking up a 2001 Passat 2.8, 5 speed wagon tonight! flex pipe is bad and needs a new heater core...hoping to get it for a pretty low price, and this video will help a ton. thank you!
Good luck! Replacing a heater core in shop usually cost around $1,000. Maybe that will help with your negotiating :-)
+AutoTech what do you know about replacing the flex pipe? I know it's before the catalytic converter but that's about it.
if it was me I would just take it to an exhaust shop.
Wow, pretty slick. Done tons of em' the other way; but that's pretty ingenius. I'm gonna try that next time.
Thank you very much, you saved me a ton of time and money. My 2002 Passat varied a little from the video but it was close enough that it got me through. I did not have the up facing bolt above the wiper motor under the cowl, there was just a rubber plug. In your video the trim under the wiper arms is on, I had to pull the wiper arms and plastic trim to get to a bolt in the waterproof electrical box under the hood on the drivers side.
Great video. Just did mine looking at this tutorial.. everything went just perfectly.. the only difference was that mine was Irish car.. so steering wheel on the other side but video shows that it is literally mirror reflection of mine. Thanks again for helpful guide !
Thats Awesome!
Fast and easy you take the whole car apart and fast and easy you replace the heater core.
😂😂😂
It’s not that many things taken out. Yes
Yeah man. Fast and super easy! Riiiiiightttt!
In other way mechanic take whole dashboard stripped...not even single button stays on their place
Thanks for the info, doing one of these today and tomarrow. Got it out in like 4.5 hours! Ive found these things are actually pretty easy to work on despite the VW reputation. Good video.
I was nervous about doing this my self due to lack of time but it was pretty easy once I got into it. The hardest part was steering wheel shaft it took a T47 to remove it but what was quoted as a 7 hr $1300 job took me 3 hrs plus $100 to get a/c recharged. bonus tip buy a all metal heater core with top plastic mount to avoid doing this again the factory style units have plastic firtings and fail at the seals
What is the make model of the all metal core?
I'm curious too. Where do you find the all metal core?
Just did this yesterday. Thanks a bunch. Took me 6 hours. Still lots of work but thanks for the cheat
Audi a4 guys. OK. Awesome video. Very good overview for the semi experience. As for my 98 audi a4, here's a few tips for you guys. There is no bolt by the wiper motor just under the wind shield. (so I took all my wiper arms and plastic off for nothing, my 98 model) I took almost all the wiring plugs off at the passenger footwell, except for the 5 that go to the door. I didn't take any plugs off at the drivers footwell. The note about the 30 amp works is right and there is 1 (the thickest) brown ground by the hood release. Before I watched the video, I took apart the center console including the black Frame that holds the climate control and radio. I may not have needed to do that because they didn't in the video BUT... I may have damaged some of it with the shifter if I had left it there. I had a hard time rotating the dash back with the steering wheel attached. It hung up on the seat. Even with the steering wheel off, the heater core was tight up against the windshield coming out. Over all great video. And doesn't separate the dash from the heater box which is another pain in the ass I didn't want to deal with. Any questions, ask. Thanks
+russellp73 thanks for all your insight and helping others
+russellp73 Did you do this by yourself, or did you have a helper? Any estimate on the weight of the dash/steering wheel? Thanks.
+Gary Allman absolutely get a helper its not super heavy but it is awkward - need to be careful not to break anything. Thanks for watching!
+Gary Allman get a helper. 30# per side ish. But it needs to go in straight so you don't damage the new heater core pipes. My wife helped me do it and it wasn't too heavy for her.
+Gary Allman Good job getting the wife in evolved- you two saved your family a $1000!
to me it was absolutely obvious the factory does assemble the dash inside the car, knew it was a better way.. now this should also work on a 2.8 b5 so this is the way i'm doing it tomorrow
+Markitos203 Let me know how it goes!
+AutoTech Forgot to thank you for the video brother!!.. works exactly the same way on B5 audi. took me 10 hours total and literary 2 hours taking the damn climate control, felt stupid when i got it. i got the core from ecs tuning for $26 with shipping. This is the way to go!! I can't believe people are dismantling dashes to the bone.
REMEMBER TO AIR OUT YOUR COOLING SYSTEM PEOPLE!!
The left heater core hose has a small hole right on top designed to release pressure when the hose clamp is pinched. warm up the car and simple pinch the hose clamp to release the air, when the bubbling stops and you got a constant flow of coolant coming out you should be all set. back to being toasty on the winter
Any trick to getting the bolt out of end of steering shaft? I took off the 16mm nut and using a T-50 star bit on bolt head; won’t budge. I assume it rusted, currently putting penetrating oil on it. It’s the last thing to disconnect after spending all day tinkering. Thanks for the video!
You definitely made it look easy & less painful, thank you for the pics & vids.
+Timo 1111 I like your car, I put a 5mge in my pickup :)
+AutoTech Nice, Supras have been a hobby since '81
so this is a fantastic idea! tomorrow I will have one B5, and i will try it. a lot of tanks for helpful video!
Good point Autotech. Thanks. Let me get your thoughts on another thing. When flushing the HC is there a possibility of damage w any chemicals used or the air pushed in to clean it.
+Xavier Gunz In my experience I have not had good luck with the use of chemicals. My version of a flush would be, use pressurized water and or Air alternating from both the inlet and outlet of the heater core, repeat as many times as it takes. Keep in mind there is always a risk of causing damage to the heater core.
Hope that helps!
Hey guys, so far so good, thank you for the great video. I just need to remove the steering column bolt and then slide the dash out. Just wondering, what star socket size did you use to remove that bolt on the steering column. Mine has a star on one side and nut on the other. I can probably get it off without it, but just wanted to see if you remembered what you used? Thanks again!
Thank you for this video. I am going to attempt this soon on my 2002 Passat. While I have the dash removed to change the heater core, I'm thinking about replacing the various Climatronic servo motor parts that control the flaps and temperature blend in the HVAC box assembly. Does your technique provide access to those parts or not?
Awesome vid! I'm going to tackle this project this weekend and you simplified the process! THANKS SO MUCH!
+Naomi Hopkins Good luck!
I cant find the 10 mm bolt under the wiper cowling only something that resembles internal hex bolt on 2000 b5, is that it?
Why do you have to unplug the wires by the ECU, are those sockets attached to the dashboard?
Is replacing evaporator doable the same way or you have to detach and take apart the HVAC box?
Greetings! Just got a 2003 Passat that needs heater core replaced. Do you have a step by step guide that goes along with this video?
Great video although di you have to remove all the red wires? aren't some just to the dash itself?
I have a friend with a 2003 Passat with a leaky heater core - and no money. I was looking for a replacement core on line and came across this video - it's given me the courage to give it a go!
I've watched the video several times and read through the comments, which were also helpful (have a Torx50 socket on hand). I have a question on the air conditioning. In the video, the first frames show hoses hooked up - is that to drain the A/C? If so, do you then disconnect any hoses going through the firewall? On the heater side I can see where the hoses were disconnected - but don't have a clear understanding of what happens on the a/c side. Any help there is appreciated!
That's awesome!
@@AutoTechMadsen I have the same question as Bert but, i didnt see your answer.
You have to drain the AC, then in bolt the joiner for the AC lines. This joiner is next to the battery on the firewall from the engine side. There is also the heater pipes, a 10mm bolt and the cables from the ecu tray that all have to be undone from the engine bay side of the firewall
The 10mm bolt is a bugger to get to but it is there. Look in the video to see it’s sneaky location.
Can you tell me what make the new heater core was? if i'm going to the effort of replacing mine i would prefer an all metal one like the one you fitted. Thanks.
I got it from the dealer
Is flushing safe and effective? Or should it just be replaced? Its like $1000 compared to maybe $200.
in my case this heater core was leaking so flushing would not help at all. If you flush your heater core typically it still will not function as good as a brand new one that's 100% clean. I think it depends on how long you plan to keep, if you plan to keep it for 5 years and you like the car I would put the money in it.
Is there an easy way to remove the electrical plugs with the two snaps on the sides like in the ECU box and under the side kick panels? I have been using two small screwdrivers on each side of the plug, but this become tedious with so many of them.
I'm curious if there is some kind of hand tool that would assist
Yea did y’all ever get an answer for this??
Where is your shop, I need to change my heater core on my 2005 VW Passat 2.0 TDI
haven't tried this yet but this sounds like good advice. thanks for the heads up!
Good luck :-)
Going to give this a try tomorrow. Wish me luck! Getting cold here in Wisconsin!!
Very easy! The only thing I would add is there is no need to disconnect any of the red wires on the relay block, just detach the whole relay block and let it hang. No need to disconnect the drivers side quick connectors, just cut the zip ties that hold the big wire bundle to the metal dash support. This allows enough slack to swing the dashboard out. No need to use torx bit on steering rod u-joint, just use a 16mm wrench and tap it out.
AutoTech, I looked at the video and got all the bolts, connector, and wires disconnected except for what I think is the steering wheel. How did you get that disconnected? Thats the last step that I have before removing the entire dashboard. I have a 2003 Volkswagen Passat 2.8
+Brian Humphrey all you need to remove the bolt at the base of the steering column and then slide it up off the shaft of the steering gear. sometimes it takes a little pry bar work to make it happen : )
+AutoTech What type of tool would I need? Just so I make sure I have it. I also saw, in the video, that you removed the base of the gear shift. Is that necessary?
What a great alternative to the other method of complete disassembly. What is the make and part info for the core you used with metal tubes? Thanks
Don't know but it came from VW
Is the removal of the glove box absolutely necessary?
I've actually found a few on ebay: www.ebay.com/itm/Audi-VW-Volkswagen-Heater-Core-Premium-8D1030B-/141543764160?hash=item20f4aa70c0:g:FvUAAOSw9N1VnFo9&vxp=mtr
you night have to in order to get at the center console bolts
Thanks for the awesome video! Makes a daunting job seem much easier. My only question is: how much of the center console needs to come out? I'm working on a 99 a4 2.8L 5spd if that makes a difference. The "piece by piece" write-ups I've seen involve taking the entire center console out from the rear ashtray forward, is that really necessary? Any help appreciated!
+Jay Eickholtz pull as much of it out as you can that way you don't risk breaking or something else.
I'm looking at buying a very nice 04 Passat for $500 but it needs a heater core How long did it take to do this you make it look easy but for the average guy is it a horrible job?
You can do it! just send the car to a shop that can remove the a/c refrigerant (R-134a) from the A/C system and the go for it. If you do this repair yourself saving your saving a $1000. This job can be done in a time frame of 3 - 6 hrs.
Well, I can only say ,Thank you for this video, I done it hard way, damn I disassemble everything today, what a shame because didn't watch this video on the first place. My bad, tomorrow is assembly day. :"( A long day.....
I’m sure you see another one soon- VW problems come in pairs.
Good and Quick method.
Thanks.
Jeroen from the netherlands
I have a question AutoTech. Great video by the way. Im thinking on buying a 2003 Passat 2.8l at a deal i think but the thing is, its over-heating so the guy wants to get rid of it cheap, one because he dont wanna pay to have it fixed, another he has two other cars. Its a very nice clean car. He said he has been told a couple of stories about it by a couple different mechanics. One has told him its the water pump and the other has told him its the heater core. Are there anyway i can come to a conclusion on which it is? The owner said he has no leaks anywhere from the heater core but i did tell him it could be clogged up. What do you think? I could also by-pass the heater core also to see if it still over-heats, correct? He also mentioned that it took forever to put out heat from the blower before it started over-heating.
Any help would be greatly appreciated. I cant afford to pay a mechanic to do this job. I am very mechanically inclined and can fix it myself. I have put two heater cores in two different Jeep GC's in the past and the VW looks much easier.
Thank you for your time AutoTech
+jeff ray most heater cores if they're leaking you'll be able to smell coolant inside the car. I would also feel the carpet on the passenger side and lifted up to look underneath if you can. If it is plugged you simply won't have heat in the car if it is warmed up-this will not cause the car to overheat.
If it is a water pump look for any water stains on the underside of the hood or anywhere else in the engine compartment coming from the front of the motor.
Hope this helps
my god you saved me a ton of work thanks so much from Baltimore ,Md.One note keep your key out the ignition or you will need a vag.Come on winter I'm 4 motion with great heat ready for you.....
Happy to help!
Y’all are definitely experts, because that looks like hell lol
It’s not so bad compared to the pulling the dash piece by piece!
My question is, can the AC evaporator be accessed in this manner too? It looks from the video that the air box will have to come out to get to it..
It doesn't appear to help with that, what did you find?
Thanks for uploading looking to take on this project on 4th of July weekend how long did it take you to do this?
JOHNNY C After doing a few of these i was able to get it done in about 3hrs. However the my first time it look me about 10.
Is the ac evaporator as easy as the heater core with just 2 screws I'm looking to swap that out as well
JOHNNY C i think you will have to take apart the HVAC box- hopefully I'm wrong on that one : )
did the job , Bill here from werks .. car runs , but no windows,locks , tail lights ,rear turn signals, codes 1330, 1335, 1336, checked all wires , plugs and pins etc , do the control ecu and ccm need to be program again ? any help please , thank you !!!
No programing should be necessary- how ever sometimes programing can get messed up when battery is disconnected but this very very rare.
I would double check wiring to the studs and don't forget about the ground connections on both sides of the dash. What about fuses?
Do you know what your 3 codes are referring too?
Another rookie question is what do I need to know about disconnecting the AC lines? Is that necessary and are they under pressure?
Yes, they are under pressure. You need to take your car to a shop that will pull the reRefrigerant out of the system for you. Once you get the dash back in, take it back to them to have it recharged.
I don't know what it may cost in your area to pull the refrigerant, but when I did my AC compressor replacement, it was well over 75.00 dollars. So all in all, expect to add about another 100 dollars to the heater core replacement. But, then, the labor savings to replace the core by doing so your self makes up for that added cost.
Hi there, this method can only be done in this model?, what about the other ones, more specifically, what about jetta mk4 which is the one I have?, thanks a lot.
It won’t work on the Jettas - I tried it once and failed
@@AutoTechMadsen Thanks man 👍
When you replace the dash and try to hook up the steering wheel is it murphy proof or can it be replaced and cause it to be jacked up.
At the very beginning you show all the Engine Control Module wires unplugged under the hood. There's a bolt on the backside of the ECM box I cannot for the life of me reach with any of my tools. Can you advise? And why does the ECM need to be unplugged for this anyway?
The ECM needs to be unplugged because it comes out with the dash pad.
I think used 10mm socket on a small 1/4 drive ratchet.
Good luck!
@@AutoTechMadsen Thanks!
AutoTech thanks again. I had to remove the windshield wipers and plastic under them to get to it, but I got it.
One more quick thing. In that first image, am I correct that I see the heat hose disconnected, but the A/C line can stay plugged in?
Yes the AC must be disconnected.
Feel free to ignore me if I’m asking too many questions. I reassembled the dash. Car started fine but with airbag fault. Left it a couple days and now it won’t start at all, even with a jump start. I’m at a loss. Any thoughts?
Can't get the center console/ cup holder area out for the screws at point after the steering wheel and wires part, any helping advice?
Hey, I just replaced my heater core using this method, and while it was very accessible and easier than the alternative, once I reassembled the dash, the car won't start; it cranks but won't fire. Are there any specific connections that would have this happen? Thank you!
Awesome- good job go for it.
Carefully look over all the electrical connections and make sure the grounds are bolted down.
Some b5s need a throttle body alignment. you need a vagcom to reposition the throttle.. It happened because you disconnected the battery from the ecu.. I learned this the hard way after a dead battery.. I paid $100 for dude to come to me and do it and it was all of 45 seconds.. I felt stupid since my car sat 2 weeks til I figured out this was the issue
Thanks for the awesome video, AutoTech! Where did you source your new heater core? I don't want to replace my junk heater core with plastic inlet/outlet pipes with more plastic. Almost everything I can find is plastic, including the VW dealer. I noticed the one you used in the video is all metal. I found one at AutoZone that claims to be all metal, but I won't know for certain until it arrives special order. And if your source is cheaper than the $130 at AutoZone, that would be great. Thanks again!
+Brent Vawdrey I can't remember how much it cost. At the time I worked at a VW dealer and it was a factory part- there may be a few different options from VW, try to get more info from the parts department : )
+AutoTech Thanks!
Need to replace servo motors also. Will I have access to them doing it this way?
wonder if this would work on a B5 S4/A4? the dash looks mostly the same, center counsel is a little different.
that would be great, I will try so with my a4 b5 (1995)
I think you should be good to go!
Yes it worked on my B5S4
What is the part number of the heater core you used there? Was it: 8D1819030B or 8D1819030C?
Can you change the evaporator coil the same way? Where are you located
Donald Shapiro Yes you can, but I think you will have to separate the HVAC from the Dash. Also you may have to disassemble the HVAC box.
I did this once a few years back after not having heat for 3 years or so. My mistake was using a plastic replacement. Now i have to go in again but this time it will be all metal OE VAG. Hoping not to do it again on this car.
I do look for passats for sale with no heat hoping for deal knowing this method.
Oh, it took me about 3hrs by myself the first time. I think i can get that down to 2hrs, not including having the freon evacuated and replaced.
Hi. Amazing video. But is that working with RHD cars?
Not sure - I didn't see why not!
you, my friend, are amazing. thanks for the great detail in this. helped me out a ton today
Awesome happy to help!
Rookie question: why is the negative cable disconnected and the positive still on at the 0:26 mark?
One cable is good enough. I all ways start with the negative because it will not accidentally Arc(spark) if you touch something metal with your wrench while loosening the Negative clamp. The Positive the only Arc to metal when the Negative is hooked up.
This is obviously neither fast nor easy, but thanks for sharing this video.
Hello! Great video. I removed the dash on my 03 1.8t passat automatic this afternoon. Everything went relatively smoothly. After putting everything back together the car started up normally. I went to shift out of park and the shifter will not move from park. Additionally, I cannot get the key out of the ignition. The lights on the dash and next to the shifter do indicate that the pedal is being pushed when I depress the break. I am unable to depress the button on the shifter. I tried googling as this seems to me like a simple issue but I have not been able to come up with anything! If you have any ideas please let me know!
Have you found any solution to this problem since? I have the same problem: I can't take the ignition key out, but everything works fine.
@Nate Ward did you ever figure out what it was? Same issues currently
@@SuperVikio did you figure it out? Same issue currently
Did you ever end up figuring it out?
@@LCustoms Yes, but it was ages ago... All I remember that I had to put the battery in, connect it, then had to move the automatic gearbox shifter to find the right position to be able to take the ignitin key out. I hope it helps!
Did another one today. It didn't go as smooth as last time. This was a 98passat wagon not sure if it changes things but the bolt under the cowell
Wasn't there also there was a 20 gauge wire next to the series of red wires I didn't disconnect when I removed the dash I broke it. It was an easy fix.
Also the connector the wires under the Ecm connect into I broke that when I rested it against the door. You removed the blower motor connector and 2 10 mm bolts above. I'm not sure why there is no need. On this car the heater core was very hard to r and r. The dash was in the way of lifting it straight out. I believe I folded the plates over. It works good in 70 degree weather but soon it'll be 14 degrees hope it don't come back.
+Paul M You Caught me!.. Haha, You're right- you don't have to un-plug the blower or un-bolt the Air Bag : )
+Paul M What year/model was the other one you did? B5 or B5.5?
+Gary Allman I believe it was a 2000 B5
Sorry took so long to replay
I'm not sure What it was I've worked in 100 cars sense then and they all fade together after a few days.
How long did it take total? Roughly?
the electrical system, returned to work normally ? or you need to use VAG
Leonardo. J. if the key was turn on with connectors unplugged you may need a VAG to Air Bag clear codes. Other than that every everything else should go back to normal after a short test drive.
I would start this job by disconnecting the battery-
do you recommend a complete battery disconnect or just the negative cable off as the video shows at 0:26?
where are you and do you do this professionally? I have a leaky heater core and my mechanic is reluctant to take this on.
I'm in the Northwest... You may need to find another mechanic close by that specializes in Volkswagen. Odds are they have not done a heater core like this before, show them this video and I think will gain some extra confidence.
+AutoTech thanks! Looks much easier than the "official" method
I followed the instruction of this video I used my phone to keep the video on pause and as I worked mine was an automatic that had a shifter cable I had to deal with also there was no instructions about the order of red wires on the drivers Side. They all separate when the dash is removed. It doesn't matter one post is different size the rest just need to go on the red post.
It went very fast was done in about 10 hours include valve cover gaskets and tune up.
The heater core doesn't quite clear the dash. This car was an old beater so I trimmed the dash back an eight of an inch the windshield trim covers it up.
Great video. Need a how to on tundra front wheel bearing 2wd.
Paul M The red wires (30 power or Terminal 30) are all the same other than the size of fuses- they are connected to straight to Battery power. Unlike Terminal 15 which is Ignition switched power.
Thanks for watching!
Thank you. This video was very helpful
Excellent tutorial. Could you help me with the red cables diagram. I wrapped each bunch of red cables with tape but the tape wakes broken when I was mounting the dashboard and Iit mixed al the red cables. I don't know how to get the diagram.
Please your help.
Tks
Will this work for a 1999 Audi A4 2.8 as well?
Yes it did great the middle console is a bit different , but it is awsome
Outstanding. And very innovative. How many hours? And where are you located. I'm fearing Winter here in Seattle. Yes, I am a wuz.
My grandfather's friend and I replaced a heater core in my truck it was a huge pain in the ass
I did try to to remove a dash in a Jetta - Unsuccessful becuase of one bolt that holds the dash support to the top of the firewall. On the Passat the bolt points up and is easy to remove from under the cowl. With Jetta the same bolt points down and the windshield is in the way preventing it from being removed.
that's wrong the way they VW manufacture put that heater core in these Volkswagen's and the are known to go out quickly
So it will or will not work for a Jetta?