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my heater stopped working all of a sudden, I thought it was the thermostat, $300 later i saw this video, i unplugged the green harness and plugged it back in and it worked, saved me $600 more!!…thank you for the video!!!😅

This video has def made me a bit more warmer, thanks for posting 🙂

Great video. I have a 2015 Mustang, whose heater started randomly blowing cold, hot, nothing. At first, I thought it could be one of the actuators under the dash controlled by the temperature knob or a fuse, etc. Turned out to be a small leak in a radiator hose. This caused the overflow reservoir to empty. The low coolant sensor that monitors the overflow reservoir, then caused my heater to quit working properly. Never thought it would be anything like this. Temp fix is to fill reservoir. Long term fix is to replace hose.

Cheers George, you've just reminded me, I need to do my antifreeze before the winter sets in :(

As simple as that huge thanks brother.

Thermostat opens/closes the "big circuit" which is the engine cooling once it is up to temperature. A thermostat does not affect the car heating because the "small circuit" which is the heating system of the car (it is the same for other machinery. Diggers, trucks, tractors etc.) is always open. That is for winter mostly, so that the car can start defogging the windows before it's up to optimal temperature. You can use even tap water in the cooling system (not recommended) and it should work fine. You might want to change the thermostat when you have to have heating settings on full to stop it overheating.

My ford focus had an airlock which is why it was blowing cold air.Fixed by purging it by holding rpms at 3500 for 30 secs, idle for 30 secs, then turn off for 1 min.Repeat these steps 4 or 5 times till heater blows hot at idle.

Very good advice. Thank you

Great vid George 🤙🏻🤙🏻

Very good video thanks

Very useful video bro

Gracias my friend really helpful ✌

GREAT VIDEO THANK YOU

2007 GL450 still no heat unless set to 76. Uber flushed the system 4 times using distilled water and prestone radiator flush. Separately flushed the front heater core. Good flow and no signs of blockage or stop leak in either flush. Engine temp remains perfect so don’t think thermostat. Was about to replace heater core, but placed paper towels everywhere for a couple of weeks and nothing. All forms pointed towards the heater control valve so replaced it. Same things. Any questions?

Thanks for this.

Antifreeze and coolant mix is the same thing you mean you want to have the proper antifreeze and water mix. Great job on the video👍👍

Thank you

thank you for your help

Best antifreeze/distiled water ratio is 50/50, if you live in areas where temperatures don't fall below -20 degrees celsius, if you using only antifreeze without water, than on very cold temperatures antifreeze became very dense and flow of that dense liquid is slower, which means slower engine cooling, and not only that, 100 % concentrated antifreeze will freeze faster than mixture with water in 50/50 ratio! I'm watched some tests in some series llike "Mythbusters" (i don't remember how it's called) where they tested it in all different ratios, and different temperatures, and best results they get is 100 % concentrated antifreeze with one half of water in it (50/50). I don't know what kind of antifreeze liquid people who live in Siberia using, when temperatures falling below -30 celsius, probably they have some electric heaters in engine space, or they leaving engines running all night (they never turning engines off). But in "normal" temperatures -20 to 50 celsius, 50/50 ratio of water and 100 % antifreeze is best!

Another good video George. My next project . As my thermostate on my e90 n47 is only reaching 82 degrees . I will be flushing and replacing thermostate 👌

great video, i have changed the matrix radiator and seemed ok the 1st week but now i have the same problem again on my golf mk7 tdi bmt 1.6 !!!!!!!!

Another great vid

I have a ccc unit and dont have the variety of setting options available. No matter what I do I just get cold air. I'm thinking the ccc unit may be on it's way out . If it does clap out is my car still usable .

Hi mate, have you done the thermostat on these? Do we need to remove the fan for it to be done? I noticed we don't have the EGR small thermostat on these correct? Thanks and appreciate your efforts

Hello, question, when turning up the heat on that dial, which my dial looks different BMW 525i series, my heating dial was not full. I turned it on full heating but then my cooling is full as well. Do I need to turn my cooling all the way down for my heat to work? I stayed in the car 20 minutes and still no heat.

Peace too Bro🕊

Thanks so much! After discovering my heat was out this evening took your tips and yay, I’m back in business.

Hi, my thermostat is working, antifreeze is full, flushed the system a year ago and put a new radiator, new salon filter. Yesterday it was working fine but today it stopped working on hot. Only cold air.

Great video, my coolant is very low. So that's the problem. Aha w moment!

Mine was a low amount of fluid old chap. Thanks Bloke.

2019 accord sport heat started blowing cold from passenger side and worked it way across the whole car this was a few weeks after my engine and radiator were replace what would you suggest? Plenty antifreeze tried to check for an air pocket didn’t help

Thanks good video . I have a Peugeot 308 . No heat but I look at all you said and still no heat 😔. Any think else I could look at please . Thanks and happy new year to you too

I have coolant warning light come on and can't get hot air from inside the car, what could possibly be the problem? I've checked the coolant level, it's not low, I can't find any leakage underneath the car, colant anti-freeze mixture says -37. This is frustrating.

Good information

In my car the heat only comes on only after I select 22c. From 18 to 22 no difference only gets warm once I turned the nob over 22 degrees. What could that mean ?

Hey I have a 2005 ford transit van it's blowing cold air but not hot air so what is the reson

Thank you for your help I forgot to turn the motor on. LOL just kidding I followed your steps and I still can't get to work your clothes for 5 seconds then close cold there for a while then again close warm air for 5 seconds

Hello, what if my coolant temperature drops when i use the heater? I replaced the termostat and temperature sensor but i still have the problem?

Hi George, do you have a video why N47 may start consuming engine oil slowly? Especially in winter and at high speed. What are the things to keep an eye on?

Hi thanks for the video - however can you please let us know how to check the coolant temperature to see if it's at 90 degrees C

what if you get heat on one side but not the other.... and sometimes the defrost only works on that side as well... is that the door inside under the dash that isn't opening or closing correctly? we did the water pump/thermo when we bought the car and I watch the coolant temp on my OBD reader phone everyday to see that the coolant temp is getting up to temp. there must be a door under there that's stuck closed???

DEAR George I GOT HEAT COMING OUT FROM MY ENGINE BLOWING STRAIGHT INTO MY CAR`S CABIN WITH HEAT OFF WEIRD OR WHAT HOW CAN I FIX IT CANT FIND ANY VIDEOS ON THIS TOPIC ?

How to check the climate setting on a 2022 gmc terrain?

good morning My name is George and I follow you I have a bmw e61 525d 2005 I have a problem with the air conditioning. I can not change the direction of the air from idrive, I give commands but it does not always save it, it returns to its own memory, so I only have air in my legs. do you know what could be wrong? I bought used climate controls from ebay but it still does not work. thank you

Thanks for advising to watch this, however, im pretty sure its none of the issues mentioned in the video, the heater core pipes are both hot, inlet and outlet so i think i can rule that out, it has the right coolant at the right levels, it doesnt have a heater control valve (2009 BMW E92) thermostat has just been replaced as there was an error code for that, system has been bled by mechanic and myself....i've done it at least 20 times since the thermostat was replaced. The actuators/mixers in the dash seem to be working, they certainly move.....i know there's a sensor behind the radio but im sure thats only to do with the climate control, ie, gets to a set temp then keeps it at that temp. Think i may just part ex it against a car with heating pmsl!!!! Freezing out, not fun...i have heated seats but they do nothing to help clear the windscreen or keep me warm. Used car prices are ridiculous, i was looking at buying an X5 but they have just got more and more expensive over the last year, seem to be going up £200 a month or so!

I’ve got a bmw 1 series (e87) and the heater only works on the passenger side and air con works on both sides, what would you recommend checking first to last 👍🏻

Obviously you can actually fix the problem. So actually, you obviously know what you are doing. Obviously.

Mazda cx5 diesel 2012 heater does not heat at 4am driving to work at all which is a 40 minute drive but when I finish work at 9am it works straight away.

Can anyone advise / vw mk4 caddy 2.0 cr. been to numbers of garages with no fix , if u leave the car idioling. Water temp and heaters blow hot/ soon as I drive temp drops off gauge and heater blows cold , tryed thermostats, flushers / dosent use water and returns nice with no air bubbles ?

what about blending valve actuators?

Think some chick messed with my I settings. cause that shit was set to cold. Thanks man

Just intime for winter

Hey George, my heater spurts water out onto my dash when turned on ? Any ideas ?

Hey George, my e60 only blows hot air on the passenger side (right US) and cold on driver side (left US). Any tips where should I start diagnosing?

hey there. i got a problem with my Peugeot 508 1.6L diesel. The radiator fan does not work. I found fan resistor corroded and rusted so changed, thermostat sensor also changed to new still the fan does not work at 90*C temperature. i tried bleeding the coolant near the sensor for air in the system, still no luck. what else could be the issue please..??? the car runs smooth when cold but as soon as the temperature rises to above 50*C, the car starts strangling...??? even when i bypass the thermostat sensor and unplugg it to run the fan in full speed, the car still strangles..?? please help with these 2 issues. thanks.

So do you expect hot air to be blowing out only after 15 minutes of driving ? Obviously most of the cars I've owned in the past start giving out hot air after about 6 miles of driving.

Hi, I have 2013 insignia 2L diesel yesterday I turned on the heating and the fan wouldn't come on everything else was working like I mean the HI/LOW HOT/COLD dials were on just the fan didn't kick in when turning the settings between 1 and 6....any solutions please

how about the idrive heat setting most people forget this .most common heater mistake . ;-)

Hello my BMW e91 2010 car got a e drive but donot have a ventilation temp under climate please help

Hey George, my e60 only blows hot air on the passenger side (right US) and cold on driver side (left US)

Could you do a coolant bleed vid?

Mine is cold at 10 mins cool at 15, tepid at 15 and never gets truly hot , not even better than warm, warm half temp takes 40 odd mins, coolant is full, is it likely heater matrix. ? Thanks

Why is my prius running cool? It stays at 160° so it wont open the thermostat?

I see the problem right off, your steering wheel is on the wrong side

Hello what about when one side is cold air and other is hot air??what should i do??

Hi have a 760li the blower only blows slightly .. blows warm air ok

Carl Froch!

Hi, i have a Renault captur which blows cool air when car is in idle. Works perfect when in motion. Any ideas what to check please?

Old video, weird question - but are you from Nottingham? I think i recognise the accent as a Notts accent?

No air at all blowing out the vents on 06 e90. What could be the culprit? Thanks

I have the same engine. Just a little questions i would ask. I guess you have deleted the dpf but how do you pass the mandatory vehicule check ? Also i got one issu I cannot find always when I’m releasing the clutch and the steering wheel is on all right or on all over the left and just when the vehicule start moving i got big vibrations on the steering wheel. Could be the clutch ? Or breaks ? :(

"After it starts moving, it's fixed"? After you change the blend door actuator, it's fixed.

I have got a Renault Master 1998 I'm getting hot here into the cab but no cold what could it be

👍🏻👍🏻👍🏻

Hello George, I have also problem with my heater, it blows only cold air, when I try to change the settings from I drive they dont wont to save and continue blows cold air. Do you have any tips? :)

can u do another video minus the waving hand

So here’s where I’m at.. my speakers were bugging out, and I narrowed it down to the head unit. I managed to fix it that, but now my heat doesn’t work. It will only blow cold air. It worked while I was on the way to get the new part, but after I replaced it, nothing. I plugged in the old head unit to make sure it was nothing to do with the new part, but that’s not the case.. Anyone?

My BMW f16 heat only works while car is in park

Good video wish it could have been broken in have the time makes it hard to watch .example when he was talking about starting the car instead of just starting the damn car . Along with other extra talking

👍🏼

E60 545i front vents always cold but every other vent gets extremely hot has anyone experienced this?

my e87 1 series blows hot air from the passenger side and cold from driver side(both set to 28°C), any idea what could be the reason?

I have no heat from the front vents but there is plenty of heat from the back seats vents. What you think could be the issue?

My polo vivo heater is blowing cold air instead of heat

Also a bad water pump

I have a 2016 kia sorento my heater blows cold air but it doesnt always do it. It will blow hot and then get cold and some days it will just blow cold. I had a thermostat put on it in May and it blew warm for about 2 or 3 weeks and its back blowing on and off hot and cold air. Its also been trying to run hot it hasnt completely ran hot.

My Nissan micra is blowing cold air

My polo vivo 2011 it blows cold when it's cold when its hot it blows heat

Hi George you know all the stuff that you are talking about Sounds good But us women do not know what you are talking about we don't have a man to help us so could you please make it very simple for us to understand thank you

If I have a coolant leak will that cost my heater to go out

I replaced my battery and after that my heater is not going warm

How are you supposed to do a coolant flush if you dont have heat?

Something doesn't work in BMW???? NO WAY

Air velocity? Heater matrix? Using a lot of 50 cent words here..

Weird ending.

I replaced my battery and after that my heat wont be warm

I'm not getting any air at all, I turn up the heaters and no air is coming out

Mine has a light blinking 😔 no air coming out and a small knocking in the back

None of these are free.