Honda Blowing Warm / No AC Quick Diag/Tips - CRV, Accord, Civic, Pilot, Odyssey, etc
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- เผยแพร่เมื่อ 19 มิ.ย. 2024
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This 2007 Honda CRV with 2.4L was blowing warm air intermittently. It would occasionally blow cold. Here's a quick video to show some of the steps I took to pinpoint the problem. `
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Im not a mechanic but a diy’er. I know enough to be dangerous. Took my Honda to 2 shops. First one put an electronic tool on the compressor for 15 seconds and said it was the compressor. Promptly left cause I knew it wasn’t. Second one wanted to flush and recharge. Knew that wouldn’t work either. Figured it was electrical. Watched this gent and replaced the relay and Walah. Cold air!!! I subscribed my friend. Thank you!!!
Man this guy on the video is extremely knowledgeable on honda a/c system. I changed my compressor, charged the system, still no a/c. I hot wired the clutch, a/c turned on. Turned out my particular problem was aftermarket (-)(+)negative/positive, terminals on clutch. They were not crimped tight enough from seller. So I used information from this video along with new heat shrink crimp along with disconnecting thermal switch from compressor (you can leave it hanging long as it is zip tied)+ 3 Zipp ties so wires are secure no dangling. Problem solved and I feel like a million dollars. Thank u for this video. Hands of God...
Tech of 30 year, and absolutely love the ice trick.... never thought of that....
No Non-sense. Quick and Straight to the points. Two-thumb up
THANKS!! i'm off to the shop to have the AC repaired on my 2008 CRV on Friday - now I'm informed about what they'll be doing and might even tell them about your 'ice trick'!
You know he’s a good mechanic when he casually grabs ice to diagnose a worn out part lol
If it’s faster then more power to him. I always try to find the quick way out.
“Thermal” ice works on all types of thermal sensing. You know you know nothing about troubleshooting when you knock someone else’s technique…
great video. thanks. my a/c suddenly stopped blowing cold. this gives me a place to start.
This is a great car i drive it myself, the ONly fault with the 2007 Honda Crv models is the a/c is not designed well, i think everyone commonly has this issue with this car
Yeah thanks mate, and you're not going too fast. You are getting on with it. I'm on holidays, err vacation for you guys in South Australia. My 08 CRV sir has died, but only when restarting hot. Taking from your ice trick, I poured water on the compressor which works. I'm going to do this bypass next. Thanks again. Lou
Working on my daughter’s 07 too. Headed outside now to run the checks. Thanks.
Wife’s 2009 CR-V with 54,000 miles now having this work and then not work issue with the A/C. Will check this issue, thank you very much
Brilliant diagnostics! Thanks for the video. My wife’s CR-V has the exact same problem.
No problem. Glad it was helpful!
Lots of useful information. Gave me insight into troubleshooting my A/C.
Excellent video Chris. No bull, but to the point. Thanks a million.
No problem! Glad to hear it was helpful
Thank you so much! I have been tearing my hair out over my AC. The shop always wants me to bring it in during the morning, when it's not hot enough outside for it to fail. I think they're starting to believe I'm out of my mind. I called them to order the part and install it. I pray it will be the answerr.
Need more mechanics like you!
Thanks! I learned lots in order to discuss this with my mechanic in an intelligent manner.
Great video. Definitely helped me. Going to install compressor clutch #3.
Great video. Thank for your knowledge. Hope this is problem for us and it’s easy to get to
Love the fast instruction! Some of these videos are 45 minutes long before anything gets accomplished. Lol. Great job. My CRV has the same problem and I think you helped me locate the issue. Cheers.
Amen. I’m hot, so I’m already annoyed. Zero patience for rambling 🥵😑
Great troubleshooting bro.
ALL makes sense to me
Great job on the video. Don't worry you are not going to quick. Very good job on explaining the issue and possible solutions.
nice! gonna check this out tomorrow asap! pumped
The modified ice trick is to use those aerosol duster cans (upside down) to spray liquid cold love onto the sensor.
I was just about to say that but that’s a great idea.
Great video. I bought a 2004 CRV for my son that the AC won’t come on in. Could be this thermal switch. I’ll try the ice trick before I give up on it and change the compressor
Your advice worked like a charm....thank you!
Glad it helped!
thanks for doing what you do
great video and nice work done.
Thanks for the informative video , I will check my thermo switch on my CR-V tomorrow..👍
Great, this helped me because i almost replace my compressor, Thanks alot
Good information, thank you.
Thank you so very much it is the help for our mobile mechanic here in long beach, ca
No problem! Glad it helped out
Great video, thanks.
Gonna diagnose this weekend, maybe Ill get lucky and only need a new relay. FIL attached the refrigerant hose and said it was in the red which would put it at ambient (90s this whole week).
Fuse looked fine.
Great Information 👍
Thanks for the post.... I can sound knowledgeable when I go to dealer
Awesome guide man, which electric tester was that?
Great video!
Nice video. Thanks
Can you make a video on how to replace the thermal switch ?
Learned something new about the thermal switch thank you for the lesson.
Great. I bought an '08 for my daughter and she has the same problem.
Thank you for a great video. I have a Honda Accord Euro R Year: 2003. My mechanic is saying that it could be the tachometer - what is your opinion on this diagnosis? 🤔
Great video
If you are sill reading this would you suggest possible problems when the compressor is turning on but no cool air. One pipe is very hot, the other is mild at best not hot still no cool. I had o use about half a can of gas and it kicked on No Problem but no cool. The instructions in one can says to fill until cold air comes out but on the can I bought it says not to overfill and it has a gauge but the gauged seemed to act weird. but after several rounds it settled out in the right area.. still no cool compressor stays on no problem and when you turn off the cooling it turns off no problem.
I am thinking since it sat Unused for so long without proper levels that the radiator inside with the release of the compressed gas, is clogged so that none is getting released so no cooling. Your ideas?? much appreciated
great video. I have 2010 honda civic ex. ac is blowing hot air. , new cabin filter, auto zone recharging kit shows correct pressure on the low side but the pointer is not steady, has small vibration. when I press ac button looks like ac clutch on compressor is engaged.. and both cooling fans start working as well. but warm air coming from vents. .. any suggestions what's can cause that problem? thank yoy
I'm at my wits end with my 04 CR-V, I have replaced the condenser, compressor, 2 hoses, put freon in several times (recently as well), they took the dash off and checked to make sure everything was connected) and just tried switching the fuse and it's still hot. So it seems like there are a few more things to try, just not sure if a laymen could do it or not.
Thank you. I’ve spent 1500 bucks to get this issue fixed on my 2007 CRV with 165000 miles and it still blows warm air for about 10 to 15 minutes before the compressor finally comes on , cooling the air. The compressor has been replaced and one other part. Thanks, this is very helpful!!
Same at my honda crv 2002 whit 400.000 miles
What did you have to fix ? Did changing the compressor help?
I am curious too as to what the 1500$ was spent on ???
Y’all know how to check if your Low pressure line still has pressure? Just take off the cap on the low pressure and press the pin with a Philip screw for like a quick second. If there’s pressure you’ll here it releasing some, so if it’s not than you’ll know it’s either a sensor or a bad clutch. Some would say it’s a leak but the reason I say it’s not a leak is because even with a leak you can still add more freon. One time I inspected someone’s new used 2007 crv and the ass hole who sold it to them, didn’t even have the serpentine belt wrapped around the ac compressor..... so yea look out for that too.
Same problem with my honda crv 2017.Thank you very your A1Technician.
very very very helpful
Thanks I got this issue when the weather is too hot outside
Excellent video. Systems wise, it is never a good idea to bypass a safety feature that has no secondary redundancy to provide system protection. Great ice trick. Subscribed.
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Fantastic!!
Excellent video. Gotta diag an 03 CRV AC today. Thanks!
O3 has a 1 wire conector does it do the same??
good job!
If the pressure switch is bad.....will the clutch turn? Both my fans are running and I swapped the relay....but still no ac when hot. It does work when car is cold.
From what I understand cars have two engine coolant temperatures, at least hondas, one by the EGR valve and the other on bottom of radiator. When you said, "thermo switch" where you referring to any of these sensors? If its a different one, where is it located?
Thank you ❤
Thank you 🙏🏽
Good informative Video. Thanks. Just be careful about doing Videos at work unless you're doing them as a training video. Some places might send you packing.
At the 3:10 minute mark, what exactly does your probe do to that terminal to engage the compressor? How can I do that test with a jumper wire? Jump to Neg. battery terminal or the Pos. battery terminal??
Wish you had posted a part number…amazon link doesn’t take me to the thermal protector switch.
Thumbs up 👍 1 machine for each refrigerant wow 😂
Thank you.
to bypass the thermal switch which cable am i to disconnect? is it the red/white cable that goes to the a/c compressor clutch?
Thank you
Hi, i have tried this but the clutch didn't engage - could this be because i have no gas in it or should it still engage even if there is no gas in (had the gas taken out when i replaced the pressure sensor) - when plugging it into the honda software it comes up saying Thermal pressure switch on
How much would this cost to fix. I’m sure this is my problem, I need to take in my Honda in this week to my local mechanic.
Great job,thank you.
I have a 2014. Compressor is kicking on but the lines going to the bab aren't getting cold
I have Honda CR-V 2015 suddenly the smoke came out through hood it was not smoke but freon leaked rt above on hood marks also there it was running fine but when we came out from restaurant and started it it has only 85 k miles on
And now i took the compressor rebuild guy who rebuild it i put it back filled freon the compressor cliutch engages but the fan supose to come when we put AC not comming and still blowing hot air
Would love to see you replace that thermal switch. I am trying it and can't get to the top red wire to disconnect take it off.
Yeah they are definitely talked to replace. You have to try it out of there and then break the bits of it that are left and clean it up
big help, you are the best
Totally off topic of the video but the PBR skateboard is badass.
Yeah for sure! I skate every single day lunch. I like that it came with the bottle opener on it. Even though I've never seen PBR in a bottle. LOL.
PBR is a great garage beer
FYI - MY Ac would stop working when the car engine warmed up on hot days. Worked fine on highways though. Clutch would not engage after car was warmed up. There was plenty of Freon, Condenser didn't seem clogged but issue was AC coils when they got hot would disengage the clutch. When cooled back down would rengage. I bypassed the thermal protector and that also did not work. Very common issue on Honda CRVs.
I think this describes mu problem perfectly. How did you fix it?
That’s the issue with my 2008 crv. We’re you able to repair it? If so, how? Thanks
How did you fix the problem ? What was it ?
What if the Ac blow's hot then cold& car shuts down & will not start two days later????. Why? What would you check next?????
Mine just went out I got a new compressor and It kicks in when i go above 60mph And only 2 vents blow cold the driver side blows hot I changed fuse and Nothing Any ideas????
When my 2012 Civic sits in the sun all day, it takes 15 mins for it to get cold. Any ideas?
smart guy
Thermal switch was also my problem. I joined the two wires and all is working fine. Thanks for your help.
@@vickivizugonesailing2259 I was thinking of doing that....but any long term bad effects ?
When you change the pressure switch do you need to empty the AC or is it just a heat sensor
It's just an " external" switch, by that I mean you don't discharge the AC gass to change it.
Thanks for the info but i have a different situación i need the heather not the ac
How much does it cost to replace the ac? 2024
These CRV were the last best made CRVs. I know someone with a 2007 with almost 300k miles. Original everything.
Totally agree with you on that! There was actually another one right next to it in my other bay and that had about 280 something thousand miles on it
I have an 09 with 260,000 miles. Runs and drives no different than the day it left the dealer. Awesome car.
Mine has 252k and having this AC issue where it comes on and works randomly but it usually stops once it’s hot out
@@nagifhelmis3746 sounds like your expansion valve is bad
I have a 2010 with 400k hahaa
how much it costs to repair for me? (customer)
We’ve replaced our compressor once before years ago. But now it’s doing the same thing but the compressor does engage.
Hey MrSam, were you able to get the problem fixed? I'm in the same exact boat. I'm curious if you replaced the whole compressor again or just purchased the Thermal Protector
@@connorl7679 we purchased the compressor & installed it years ago. & it lasted for about 6 years before the problem returned. I checked the system & there’s debris. So the condenser/compressor needs to be replaced along with other parts.
@@MrSamPhoenix thx for your quick response!
@@connorl7679 no problem
I have a 2020 CR-V Touring. It hasn't even got 8K miles on it and this is happening to it. The dealership is fighting me on the repair, which should be covered by factory warranty, correct? Are the fixes still basically the same as the ones you mention here?
R U in Alabama?
👍
We have a 2018 Honda Accord which hasn't been driven much; only about 3,000 miles total. Still, the AC started blowing warm the other day. Just weird.
My 2011 CR-V only has 60K miles and it started blowing warm.....but a 2018 should definitely not. This will be my last Honda.
@@NextLevelAutoDiagnostics Yes, mine too.
@@NextLevelAutoDiagnostics Hondas are top notch reliability besides the AC lol if you switch make sure it’s to a Toyota
I’ve owned two cars my entire life, both Hondas, and both had AC and paint failure issues. My first one was garage-kept and the paint STILL failed! Like how? I was constantly bringing that car to the shop and the AC never did work right. The one I have now was in an accident, and the entire AC system was changed to a new OEM Honda AC. Both the original AC and the new OEM one…BOTH AC’s on the same exact car have given me issues. Why can’t Honda make a car with a reliable AC and paint that doesn’t peel off? I’ve always loved my cars, and I want to keep my Civic Si, but my God…I don’t want to die of heat stroke when it’s 110 outside and 85% humidity
I followed the steps in your great video on my 2008 CRV and no voltage at relay and I swapped fuses...no AC.
Voltages are back but no compressor engagement. Couldn't I jumper the 14 volts to see if compressor engages?
Several years ago the mechanic swapped out my compressor but then shortly it stopped working again. intermittently it turns on but it’s off more than it’s on.
what do I have someone else check for? Show him this video? 2010 Honda CRV
Today my heater is blowing cold on driver side and warm on passenger side.
Hope to find a mechanic who will help me
😊
Went to charge my daughter’s AC cuz it’s blowing warm, and the low pressure measured 84 PSI, so I didn’t add anything. It’s about 75 degrees in the morning, had all the doors in the car open.
A/C come on cold for 15_20 minutes then blows hot I hear both fans and the clutch is spinning plus the pressure is at 100 PSI so I'm stuck.
You too?
@@isbeartlh yes I had to change the lines, condenser, and compressor with new seals as well the pressure turned out bad sending metal through the system, check out 1800 rad and they can help you out on a deal for the parts
Sadly you threw parts at it. I'm too poor to do that. I think it's my thermal switch but I don't have a means of lifting the vehicle at the moment to troubleshoot it. I turn the AC on and the car gains a load. So I feel the compressor and clutch are fine. Not sure why it stopped blowing cold since the L pressure line reads red with a Guage
I can't find the ac issue on my 2019 pilot, changed compressor, ac condenser, pressure switch, controler in the dash, engine computer.....still no good
maybe it just needs some freeeon / refrigerent , or maybe its just the fuse or relay , have u checked those
Have you checked the hvac system for codes with a scan tool?
Calling all Honda insight and CR-V owners.
There was a national recall on an AC condenser part. If your AC is blowing warm air , it is most likely a FAULTY CONDENSER.
I took my 2019 insight to the dealership , and they suspected a faulty condenser. Replaced for FREE WITH FREE REFRIGERANT
When the customer said he's going to bring it back......he's not going to bring it back he's going to trade it in for a newer vehicle
Easiest fix ever was, when I pulled out the knob in the dashboard. The 🔩 mechanism behind knob was lose. I tightened it while I sat in the passenger seat going down a highway. Took me about 20 seconds to fix the AC 😂. I found this solution on TH-cam years ago. It works.
Which knob did you pull out?
@@steviemichelle7271 -- The AC knob which turns the AC to heat or cold. On mine you had to pinch it and pull out. Once you pull that out, you should see the screws etc.. tighten that.
Link to video plz, or perhaps keywords you used to find the video.
@@hellagrant -Loose nut behind the Knob- that's the title of the video. That's essentially how I fixed my AC problem.
I think TH-cam is trying to censor the title of the video... So let me try this way... Lose Nuttt behin da Nob- use correct spellings when you search it.