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Fix No Heat in Ford F-150 Pickup Truck

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In my 2012 Ford F-150 pickup truck, I'm only getting cold air blowing out of my dashboard vents, except when I'm driving, then I get hot air. That's a possible sign of low antifreeze levels.
After checking the reservoir, it's clear I'm exceptionally low on antifreeze, but it's not so simple as pouring new antifreeze in. Ford trucks (and many other modern vehicles) require special fluids. For the F-150, the owner's manual says only use Motorcraft Orange antifreeze (yes, that's what it's called).
Unfortunately, my local auto supply store didn't stock it, so I ordered a gallon off Amazon.com (amzn.to/2CJVoJY) and had it delivered to my door in 2 days via my Prime membership.
After adding the antifreeze to the reservoir -- it took the whole gallon! -- I started up the truck and let it warm up. Within minutes I had hot air again blowing out of my dashboard vents.
While there can be a number of reasons why you don't have hot air, this is a simple one to check first and as is clear it solved my problem.
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Опубликовано:

6 янв 2018

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Комментарии : 212

@planemichael1527 Год назад

Years later and your video is still helping folks like me. I suspected this might be the issue but it was good to find that other have had the same problem. Thanks so much for the quick (and cheap) fix.

@HomesteadDIY Год назад

Awesome! Glad it helped. Just keep an eye on your fluid levels for a few days afterwards because it turned out I had a small leak in a hose that was responsible for the low coolant levels to begin

@planemichael1527 Год назад

@@HomesteadDIY Thanks for the heads up. It's a 2016 F-150 and though I haven't seen any evidence of a leak on the ground, I'm always suspicious of disappearing fluids.

@simonkilminster9050 5 лет назад

I was about to take my truck to the dealership and I thought let me just go on RU-vid and see if anyone else had this problem and bam! Man, thank you so much! Went and got a gallon of antifreeze and put it in out in the parking lot. Heat worked on the way home! Best 20 bucks I've spent. I just wanted to thank you for saving me a dreaded trip to the dealer and getting ripped for a lot more than 20 bucks.

@HomesteadDIY 5 лет назад

Awesome! Thanks for sharing.

@christinaalvarado4015 2 года назад

I was afraid to address my heater going out because I really couldn’t afford it at this time. I found your video my husband went and got the orange coolant and within five minutes we had a brand new heater in our truck. Thank you so much for saving my family stress and money this holiday season God bless you!

@HomesteadDIY 2 года назад

Awesome! Glad it helped. But keep an eye on your fluid levels for a few days. I ended up having a leak in my hose which is why my coolant level was low and I had to have it replaced

@anthonywilliams1428 3 года назад

I’m here 3 years later and all I can say is thank you!! Worked immediately!

@HomesteadDIY 3 года назад

Awesome! Just watch the coolant level for a couple of days. It turns out I had a leak by the heat sensor so I needed to get a hose replaced. But glad it helped!

@HomesteadDIY 3 года назад

@Hayes Hassan nope. No one cares at all. Why not take your scam posts somewhere else, or better yet, go get a real job

@HomesteadDIY 3 года назад

@Tanner Kase sure it did. How many spam accounts have you set up to try to make it seem real? You do realize people know this stuff is fake, right?

@nathanshrader3953 2 года назад

I’m also here 3 years later and my 2011 Ford F-150 just started doing the same thing. I will be checking my coolant level first thing! Thank you sir!

@HomesteadDIY 2 года назад

You're welcome! As I've since cautioned viewers since, if it is your coolant, keep and eye on the level for a few days after you refill it because it turned out I had a leak in a hose on the other side of the truck and that was why my coolant was depleted. Cheers!

@HughesOnTheGo 5 лет назад

Thank you for the video. I had the same issue and fixed it. You saved me some money and time by not going to the dealership.

@coryklein84 3 года назад

Not only did this fix my problem, it INSTANTLY fixed it. I added the antifreeze in the parking lot of the auto parts store and as soon I started my truck to drive away...BOOM.. heat baby!!

@HomesteadDIY 3 года назад

That's awesome! Just keep an eye on the fluid level for a few days. Turns out my truck had a slow leak that needed a new hose replacement afterwards.

@albertjackson1064 2 года назад

Obo o o

@darrendavis4731 Год назад

Well, I'll be. You nailed it. Here in coastal CA it never gets hot or cold. My heater stopped heating and I finally noticed. I checked the coolant, and it was down by exactly 1 gallon. The heater now heats like a champ. Thanks.

@HomesteadDIY Год назад

Awesome! Just keep an eye on the level for a few days. It turns out I had a small leak in a hose that needed to be replaced. Glad it helped tho. Cheers!

@dimitrithekiller 4 года назад

Shameful anyone would thumbs down to this video. Thank you kindly. Awesome video 👍👍👍👍👍

@HomesteadDIY 4 года назад

Right? What were they thinking?! :) Thanks buddy, I'm glad you found the video interesting. Cheers!

@GiftedMoFo 4 года назад

You are the man! Thanks for saving me a dealer trip. Owe you a frosty beer!

@HomesteadDIY 4 года назад

Glad you found it helpful

@enviromam100 10 месяцев назад

I had the same issue in a 2013 F150, I watched your video and did what you said and it fixed the problem,,, Thank you, sir,

@kylemauerhan4391 4 года назад

Adding to the thanks. The heater stopped working in my ‘14 F150 over the last few weeks. Turns out it was the same issue, Dex radiator fluid (same as GM) was the fix. Cost $18 with a funnel 👍👍👍

@HomesteadDIY 4 года назад

Awesome! Glad it worked for you

@tammyleitte520 2 года назад

Thank you so much. I'm in a Ford Transit work van and evidently Firestone didn't check the fluid. I'm good now. Happy holidays and thanks again.

@HomesteadDIY 2 года назад

Glad it worked out for you! Keep an eye on your fluid levels for a few days, though. Turns out I had a small leak in my hose, which is why my fluid levels were low to begin with. Enjoy the holidays yourself.

@ALM1GHTY.PEANUT Год назад

Thanks for this. I started getting very little heat then cold air over time. Reservoir was nearly empty. After filling it was good. It is also explained the slurping noise I would sometimes hear starting it on a hill/slope (that's gone now too!)

@jariveros01 2 года назад

Thanks Man! Helped my father today, with pandemia he didn't make official service to his old F-150. And Works :) (Chile Zero Celsius these days)

@HomesteadDIY 2 года назад

Glad it helped! Make sure he keeps an eye on the fluid level for a few days. Turned out mine had a small hose leak which is why the fluid level go so low in the first place. Cheers, from where its around 90-100F daily :)

@CROCOD1LEZ 9 месяцев назад

Same method worked in my 07 f150 i appreciate it very much

@andyassad2626 4 года назад

Thank you very much for the help! Saved me a costly trip to the dealer as well. !!!

@HomesteadDIY 4 года назад

Awesome! Glad it helped!

@charlescomfort2896 2 года назад

I have a 2014 f_150 4x4 5.0 coolant level is fine just had ford service blower works fine has very little heat coming out but sometimes the heat is fine

@randygrady9305 5 лет назад

Thank you, kind sir. This could possibly be the easiest repair job in the history of mankind. Thank you for posting this video. You have saved me and countless others time, money and aggravation. God bless you.

@HomesteadDIY 5 лет назад

Great! I'm glad you found it helpful.

@usherjones2172 3 года назад

Thank you Sir, you just don’t know how much you help me and my family!! God Bless You!!!

@HomesteadDIY 3 года назад

Thank you. Glad you found it helpful. Cheers!

@connievick9561 3 года назад

Not sure if this the problem with mine or not but I will try it as soon as the temp gets to at least 15 degrees. 3 degrees is a tad cool to be out there checking it out. Thank you for the tip and I hope this is all that is the problem with mine!

@johncollierjr21 2 года назад

I did the same thing wife said no heat & I noticed it was low a few months back so I went & got the Peak orange & heat came back.. googled while setting here waiting for it to warm up. Nice & toasty now

@HomesteadDIY 2 года назад

Awesome! Amazing how much of a such a simple solution it is. Of course, it turned out I had a small leak in my hose, which is why my fluid was low to begin with, so I recommend keeping an eye on fluid levels for a few days.

@rgvanglerz3646 6 месяцев назад

Thanks for the video. It solved my issue. Gave me more insight on keeping up with general maintenance- checking fluids!

@HomesteadDIY 6 месяцев назад

Just keep an eye on the level for a few days afterward as my truck had a small hose leak which is why the fluid level was low in the first place.

@silvermototx 2 года назад

Thank you very much for the video and tip! I live in the Houston area and don't need much heat in my truck...but today I did and it was cold...found this video, one gallon of coolant later and I have toasty heat!!

@HomesteadDIY 2 года назад

Excellent! Just keep an eye on your coolant levels for a few days. Turns out I had a hose leak that caused my coolant to disappear.

@fabo806hubcity7 2 года назад

Thanks sir!!! My wife and daughter ride in my truck and with winter coming to the west Texas area that was my problem and the low antifreeze problem was exactly it. Thank u and God bless.

@HomesteadDIY 2 года назад

Glad it helped! Just keep an eye on the level for a few days. Turns out I ended up have a leak in a hose that needed to be replaced. Cheers!

@fabo806hubcity7 2 года назад

@@HomesteadDIY yes I do have a small leak and I will look into it and watch the level. Thanks again

@rigobertogonzalez1538 5 лет назад

I had the same problem, Thanks for the video.

@kentherrick8128 3 года назад

Here in texas we needed your instruction. Had same issue exactly. Watched your video!! You’da man!! Thanks.

@HomesteadDIY 3 года назад

You guys in Texas have an apocalypse on your hands by the looks of it. Good luck!

@stephenshatwell3915 2 года назад

Thank you so much for this video. I was having the exact same problem with my truck and putting more antifreeze worked like a charm!!

@HomesteadDIY 2 года назад

Great to hear! Just keep your eye on the fluid level for a few days. Turns out one of my hoses had a small leak, which was the cause for the low antifreeze level in the first place. Cheers!

@kristineheffron8815 3 года назад

Thank you so much for sharing your knowledge! This was exactly what the problem was. It took about an hour after filling it before my heat worked. Thanks again!

@keganwallace8753 3 года назад

Same problem here. I'll check coolant level. Thanks for the video

@leefaircloth7126 2 года назад

Thank You It Worked and saved me money from taking to Ford. Have a Merry Christmas 2021.

@HomesteadDIY 2 года назад

Great! Thank you, you too. Also, keep an eye on your fluid levels for a couple of days. It turned out I had a small hose leak that caused my levels to drop so I needed to end up replacing it too

@leefaircloth7126 2 года назад

@@HomesteadDIY Thank You Sir. I certainly will. Have a Merry Christmas and Happy New Year. 2021-2022

@hardenpt2522 5 лет назад

My 2012 is doing the same thing. Thanks Sir, good eye good eye

@HomesteadDIY 5 лет назад

Let's just hope yours doesn't turn out to be a leak as mine ultimately did, one which I was not able to fix myself but had to take in for repair. Good luck!

@bollengom803 2 года назад

Oh my god that video help me a lots I’m almost go to the delership It’s take only 5 minutes after it’s working very well

@HomesteadDIY 2 года назад

Great! I just recommend keeping an eye on your coolant level for a few days. I ended up having a hose leak which is why my coolant level was low. Cheers!

@walkerdrae 3 года назад

Man you and me both. Thankful I didn't blow a head gasket or water pump. Cured my heat problem instantly. Had to buy two canisters to fill to the line. Bone dry. Dumb maintenance on my part. 🤦🏾‍♂️

@HomesteadDIY 3 года назад

Good deal! Just keep an eye on it over several days. One of my hoses actually had a leak in it, so that was the reason my level had gone down. But glad the video helped. Cheers!

@off-gridhillbillystyle3735 3 года назад

Thanks brother I'm in Arkansas been dealing with this with my f150 v8 hopefully it works. I can't get air to come out my vents either just my dash and under the glove box

@alexanderknight8421 2 года назад

Make this man a saint

@HomesteadDIY 2 года назад

lol I've told Mother Teresa to save a spot for me

@OldAndGettingOlder 5 лет назад

Well dang. After watching your video I went out and checked my coolant. Yes, it was low. I bought some orange drink and filled it up. It took 3+ quarts. I have heat now. I've flipped it from cold to heat several times. I've cycled the engine off and on several times. All seems to be working fine. I thought it was the blend door actuators. I sure hope this was the fix. Without your video I would have never ever thought to check the coolant level. Super simple fix. Thanks.

@HomesteadDIY 5 лет назад

Awesome! As it turned out, one of my hoses actually had a leak in one of the hoses right where the fluid line joins the temperature sensor, but I hope this works for you

@OldAndGettingOlder 5 лет назад

@@HomesteadDIY , I read that. I too wonder where the 3+ quarts went. I have nothing on my garage floor. I see no visible leaks. If it leaked this little after 93,000 miles I'll leave well enough alone.

@OldAndGettingOlder 5 лет назад

I checked my coolant level this morning and it was low again. I expected this. Air in the system - specifically the heater core - was the reason for no heat. Air was purged after driving so naturally the level went down a little. I added what remained of the gallon. This last bit brought the level back to the minimum fill line. I'll be keeping an eye on this.

@HomesteadDIY 5 лет назад

Good luck! Seems like a big drop though if you went from the Max fill line to now just at the Min level after adding an additional quarter. Hope it is just a lot of air in the line. Cheers!

@jcgrace1000 2 года назад

Thanks fixed my problem and saved me appointment at garage ❤️ thanks

@HomesteadDIY 2 года назад

Glad it helped! I'd check the fluid levels again though. I ended up having a leak in a hose and within a few days my fluid levels were low again.

@best9642 Год назад

Thanks for the video, I got the same b.s. going on up here Seattle WA.

@HomesteadDIY Год назад

Just be sure to keep an eye on the fluid levels for a few days afterwards. Turns out I had a small leak in a hose which is what caused the fluid level to drop in the first place and needed to replace it for a permanent fix.

@thelawnguardian7134 5 лет назад

Thank you so much dude it worked on my 05 F1 50 I was about a gallon short of coolant

@HomesteadDIY 5 лет назад

Awesome! Glad it helped.

@thelawnguardian7134 5 лет назад

RuggedHomestead My feet thank you

@kodiakradio7510 4 года назад

I have an 05 4.6 f150 and my wife just text me and said she has no heat. I knew we were a lil low on coolant. Didn't know it could cause no heat. I'll try this. Fingers crossed

@Yolanda-tb6cg 9 месяцев назад

I will try this product

@jkbugout Год назад

Thanks. Fixed the problem.

@HomesteadDIY Год назад

Great! Just keep your eye on the fluid level for a few days. My truck ended up having a small leak which is why the levels were low in the first place. Cheers

@stickster44 6 лет назад

Thanks man. Although, I rarely ever use the heater in my F150 (I live in southwest Florida) however, I was curious why my heater was blowing cold air. My reservoir tank was empty so I went down to Discount Auto Parts and they did not have any Motorcraft Orange but they did have the Zerex Dex-Cool brand. I called Zerex and they say this is compatible with Motorcraft Orange. This solved my problem (I used 3/4 gal of the 50/50 mix). Now, I'm going to keep a close eye to see if it has a slow leak.

@HomesteadDIY 6 лет назад

Great! Ultimately mine did have a leak so hopefully yours does not.

@Elcuatrapiado 5 лет назад

@MaxamillionEd 3 года назад

Thank you fixed my problem. Nice and warm 😊

@Jimmy-zu9gb 5 лет назад

My old 03 was having similar problems, unfortunately that turned out to be a blown head gasket that was allowing air into and coolant out of the coolant system. By the time I really realized I had a big problem my engine temp would randomly spike to red-line when air bubbles hit the pump, took three trips to the mechanics to figure it out. Now my 2013 is having heating issues, I hope it is more simple that the last.

@HomesteadDIY 5 лет назад

Yeah that would be a nightmare to go through again.Good luck!

@jdmadrian22 5 лет назад

bravo sir! u got my heater working again!

@HomesteadDIY 5 лет назад

Awesome! Glad the video helped.

@user-si8nu2uc4m 4 месяца назад

The same thing is going on with my 2010 Ford f150 xlt 4×4 4.6 motor truck

@coryklein84 3 года назад

Dude thank you! It worked. I wish I could like the video more than once

@zacharyjensen5002 4 года назад

Thanks for the video. Worked on my f150 also

@hobama_ping4003 4 года назад

Haha had the same problem and was about to leave for a road trip at -30 deg C .. quick fix thanks for the vid

@HomesteadDIY 4 года назад

Glad it helped!

@alacy777 2 года назад

You helped me fix my truck! 👍🏻🇺🇸

@HomesteadDIY 2 года назад

Awesome! Glad it helped. But keep an eye on your fluid levels for a few days. I ended up having a leak in my hose which is why my coolant level was low and I had to have it replaced

@anthonyrauseo5913 2 года назад

I know this is an old video but thanks you just gained a sub my friend

@HomesteadDIY 2 года назад

Cool! Thanks for watching

@joevip762 3 года назад

Thanks for sharing ☺️ going to do some more research on my truck for the right antifreeze, LoL

@Tippyrules626 Год назад

Great simple solution! $$ saved

@HomesteadDIY Год назад

It is! Just keep an eye on your fluid levels for a few days afterwards. Turns out I had a small leak in a hose that caused the fluid to get low in the first place.

@patm8586 Год назад

It worked! Thank you Sir for your video!

@HomesteadDIY Год назад

Great! Just keep your eyes on your fluid levels for a few days. Turns out I had a small hose leak that was responsible for the fluid being low in the first place

@jorgecorrea2446 3 года назад

Worked on 07 thanks

@debbielee93 5 лет назад

Thank you so much ours was the same, makes me mad, just had a pulley checked that needs replacing and they did not even check the fluid levels, and it’s under a warranty

@HomesteadDIY 5 лет назад

Great! I'm glad you found it helpful.

@qp2pendejo 3 года назад

Thank you for the advice.

@puddingmaster1999 4 года назад

My truck i think is the same way when I drive it I get some heat but when I’m not on the gas it cools down I might have to check my coolant to se if it is the same for me

@guysix 5 лет назад

Great simple video, I may have the same issue. Thx

@pridehomes8744 3 года назад

Thank you!! Glad I came across your video. 👍🏽

@HomesteadDIY 3 года назад

Glad it your found it of use! Cheers!

@travisedwards725 Год назад

Common sense tell you to check the coolant. Seems most people that commented don't check the coolant I bet they dont even check their oil. Next video you make will be what's that noise in my engine. Oh I added oil and the noise went away

@HomesteadDIY Год назад

Is that what that noise means?! Lol I wouldn’t be so harsh on people. Under the hood of a vehicle can be very intimidating for many. Which is why I make these different videos, to show that many times it’s just a simple solution. Cheers!

@thegamingwolf6968 3 года назад

This worked for me, thanks a lot

@gerardocavazos7629 5 месяцев назад

Thank you. Sr. Works

@toddsmith8807 3 года назад

Will this problem also cause my fan motor to start blowing very loud? It seems that my heater stopped blowing hot air and the fan kicking on and staying on happened about the same time?

@andrewblack5304 4 года назад

Thanks will try it.

@seanhoward8276 Год назад

Thansk man 100% sure this is my issue.

@HomesteadDIY Год назад

Great! Just be sure to keep an eye on the fluid level for a few days. Turns out a hose had a small leak which is why my fluid was low in the first place. Cheers!

@seanhoward8276 Год назад

@Homestead DIY I think the coolant line to my passenger turbo is leaking. Putting in the shop in a few weeks just waiting on my bonus check lol . Oil pressure pump is leaking oil onto the line and supposedly it commonly causes the line to leak. Thanks

@raymeeluna Год назад

Thank you

@Thebassmaster1988 3 года назад

This may only be a temporary fix everyone. These trucks have coolant/antifreeze leaks, may want to check for that, I was pouring a whole container in the reservoir only to see it empty again after a short drive.

@HomesteadDIY 3 года назад

Correct! That's what my problem ultimately turned out to be. I've let people know they should keep an eye on it after they say this tip helped them. Thanks for commenting. Cheers!

@brianruddy8785 8 месяцев назад

Oh my god! You are wonderful!!!

@HomesteadDIY 8 месяцев назад

That's what I keep trying to tell my wife, but she seems doubtful. However, keep your eye on the fluid levels for a few days afterward. Turns out I had a small leak in a hose that was the cause for the antifreeze being low in the first place. Cheers!

@asimd73 3 года назад

You don’t have to use ford ORNGE coolant only, did ford pay you to say this? But yes if you have coolant low you won’t get heater working.

@Outdoor_Don 3 года назад

My anti freeze is full so mine is not that. It blows air but the air never gets warm/hot

@lisiatepalu7737 Год назад

Thankyou you for your help👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼

@southeastchristian713 2 года назад

Thank you, this definitely helped

@mikeraynor740 3 года назад

My 2004 150 heater or air dont work so i put green antifreeze inminn still no work fan works

@emma-clairturner4635 4 года назад

Good thanks I will try it.

@danoconnor615 Год назад

So, where did the missing solution go?

@royrichardson9164 9 месяцев назад

Yeah, if the fluid is low they definitely want blow warm air in these newer Fords

@troywalker6984 Год назад

You cant crack the rad from running it low on antifreeze . you can over heat the engine though .

@HomesteadDIY Год назад

Well, maybe not "cracked" but a seized engine is still pretty f'd. :)

@maryjanemichellehappy-mosi1361 Год назад

What if it’s too full? Will it cause the same thing?

@HomesteadDIY Год назад

I don't believe it will

@rodostovich9795 2 года назад

Great help worked for me

@HomesteadDIY 2 года назад

Awesome! Just keep an eye on your fluid level for the next few days. Turned out I had a small hose leak which was the cause of my fluid level being low in the first place.

@rockymntnliberty 2 года назад

Perhaps I'm a little out of touch, but $20 for diluted antifreeze considered cheap?

@HomesteadDIY 2 года назад

Relatively speaking, yes. Go to any auto parts store, and at least in my area, antifreeze is priced north of $20

@djsolano5451 4 года назад

Your video help out alot thank you.

@HomesteadDIY 4 года назад

Great! Glad it helped!

@blackman2192 2 года назад

good for you buddy

@HomesteadDIY 2 года назад

Thanks!

@cuevasdickerson3070 4 года назад

What if you have coolant at normal operating level.

@christopherortiz7955 2 года назад

Thanks man ! 🤙

@RICHARDSONMRD 2 года назад

Thanks i willl try.

@HomesteadDIY 2 года назад

Good luck. As I've been advising people, though, keep an eye on your fluid levels for a few days afterwards as I ultimately had a hose leak which led to my coolant level going down.

@ThisandThatRanch 4 года назад

We are raising chickens and growing food give us a look and any advice is welcomed.

@edenilson90 3 года назад

Thank you!

@boba2389 3 года назад

Good fix, but why would you would wait for an Amazon delivery? If local auto parts does have what you need go to a dealer and pay rhe extra bucks.

@HomesteadDIY 3 года назад

That was the problem. My local auto parts store didn’t have it. While they had orange antifreeze, I wasn’t certain it was the correct stuff so I went with the OEM stuff which I was able to get from Amazon.

@georgetobias9411 4 года назад

Gracias Senor from Cali!!!!!!

@HomesteadDIY 4 года назад

de nada!

@delphinus42 4 года назад

Thanks for this!

@northalabamaadcworkshop 4 года назад

Really thank you!

@Sheepdog30188 Год назад

Thank you!!!

@HomesteadDIY Год назад

You're welcome! Just keep an eye on your fluid levels for a few days afterwards. Turns out I had a small leak in a hose which is why my fluid levels were low in the first place. Cheers!

@diycasual5478 3 года назад

thank you!

@jenniferc5970 3 года назад

Thanks for this!!!!

@puddingmaster1999 4 года назад

I checked my coolant reservoir and my coolant Isn’t at the cool line it’s about 1 inch-2 inch below the range could that cause me not having heat at idle but very little heat when driving?

@HomesteadDIY 4 года назад

It's quite possible. I had some coolant in my reservoir, but not anywhere near the range recommended. Filling it up solved the problem for me. Of course, I ended up actually have a leak in one of the reservoir lines that I discovered a couple of days after this video was made when I suddenly stopped getting warm air again. So I'd recommend adding antifreeze to the system, but then monitor the level for a few days after. If it remains at the proper height (and you got heat afterwards) then you're good to go. If the level has dropped again, though, then you might have a leak like I did. Good luck!

@puddingmaster1999 4 года назад

@@HomesteadDIY but I have a decent amount coolant like I'm only about 1 -2 inches below the cold range in the reservoir would that do anything?

@97warlock 3 года назад

the problem was the low radiator level? or low Overflow reservior?

@HomesteadDIY 3 года назад

It was actually a leak that I had at the far end of the hose from the reservoir near some sensor. This turned out to be just a temporary fix for me.

@aCpierce22 2 года назад

My truck had the same issue. Why does low coolant affect the heat?

@HomesteadDIY 2 года назад

Science! heh The coolant transfers the heat generated by the engine to the heater core (it's like a small radiator in your dashboard), and fans blow that heat into your vehicle. So when your coolant is low there's no way for the heat to get into your car

@aCpierce22 2 года назад

@@HomesteadDIY very well said. Thank you sir for both the video and your insight!

@Hax-bo7zq 2 года назад

What made it go down that low in the first place?

@HomesteadDIY 2 года назад

That was actually the key and for me it turned out I had a small hose leak that I didn't discover till a day or so after. I now try to caution viewers to keep an eye on their levels to ensure it doesn't go down.

@Hax-bo7zq 2 года назад

@@HomesteadDIY thanks for the reply. I'm dealing with a similar problem on a 2017 f150 5.0L. I checked over everything, flushed the antifreeze, and changed out the thermostat but the heat at defrost will not get as hot as the A/C vents when switched to the vents. I did get more info from the owner, she mentioned her husband had to clean out a mouse nest in the dash area, so I'm assuming it might be debris in the defrost vent area.