Mechanics Don't Want You to Know This About Your Car's AC
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- Опубликовано: 27 авг 2024
- Doing This Will Make Your Car's AC Blow Twice as Cold, DIY life hack and car repair with auto mechanic Scotty Kilmer. Car life hacks. How to fix car ac. Expensive ac system repairs. Car hacks that will save you thousands in ac system repairs. 5 minute life hacks to make your car ac system last as long as possible. Make your car's AC system last longer. AC system maintenance tips. Car advice. DIY car repair with Scotty Kilmer, an auto mechanic for the last 54 years.
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Scotty I need help with my a/c it turns on by itself when I drive and the faster I drive the harder the blower motor blows pls reach out I’m afraid my only option would be to take it to an Acura dealer🫣
I dont even drive any more, I am a Brit in London but I watch your videos Scotty cos you make me laugh!
Beam me up geezer?
Thank you sir - you have been extremely helpful
I had same engine in my Outback. A/C was ALWAYS WEAK.... Back in a Honda and happier. AWD on Subaru is BEST though. Plus no more leaking head gaskets and rattling heat shields in Honda....
My Mom has owned one of these since new. She absolutely loves it. She drives like an old lady, and manages to get 30 MPG, or pretty close to it, most of the time. So far, it's been a great vehicle for her.
Doing This Will Make Your Car's AC Blow Twice as Cold: Buy a 94 Celica.
lmao
We need to put a 94 Celica into space so aliens know we're good for something lol
Lmao
*I had a 1981 Mercury Grand Marquis Colony Park LS with the simulated wood paneling when I was a teenager. The air conditioning in that station wagon made it like a rolling meat locker during the summer. My friends would actually bring jackets with them because I could get that car down to 55°F when it was well over 90°F outside. I miss that car.*
The 94 Celica comments are getting old.
I love my Mazda’s AC. It’s freezing and I’m here for it. I live in south Florida. We have summer already. I replaced the filter recently and sanitized my vents. Works amazing.
Years ago too scotty I was told and it makes sense... longgg periods of not using the ac system helps seals wear out So in winter Use the ac but set the therm to warm and recirculate Will keep windows from fogging up The recvr dryer dries the moist cold air
No, the evaporator dries air. Line drier just removes moisture from the refrigerant in the ac, nothing to do with air
All vehicles since the 80s with AC run the AC automatically when the defroster is on .
@@jimherman859 that’s basically what he was sayin
I live in Seattle and I put the Michelin Cross Climate 2 tires on two of my cars. Both front wheel drive. Great tires in rain and snowy mountain passes going skiing.
Me too.
Works excellent in Scottish environment too. Well worth the money.
Scotty is so animated, you get drawn in to his enthusiasm for the subject!
I've found the eco mode on my work van gets about 1.5mpg less than turning it off. I had to look it up and it adjusts the shift points and engine timing for "better fuel economy" but it just made the engine underpowered and didn't downshift when I needed power to go uphill or pass someone so it was just dumb.
typical green eco scam
Yeah when passing the car works even harder and the fuel economy is worse.
I bought the new civic touring in December and had eco mode on until two weeks ago and was stuck at 28 mpg. Changed it to normal and it’s up to 33.
The logical conclusion from what I’ve read seems to be that you need to constantly adjust between eco mode and normal mode based on the type of journey you’re going to take and expected driving.
Where I drive I’m constantly driving in all sorts of traffic conditions and driving style needs to constantly change. If I’m going to run some errands during down traffic time then eco mode is probably fine. If I’m driving home from work during rush hour then normal mode is probably better. But once I get on the highway and get to cruising speed AND I know there’s not going to be much traffic then maybe eco mode is better. But I dunno if it’s okay to switch to eco mode while you’re driving at 65-70.
If you’re on the highway but there’s traffic and you’re going to need to pass often then stay in normal mode because passing during eco mode is even worse
That's how my wife's Honda Civic is
All this talk of "Eco" and "Sport" mode is hilarious to someone that only drives manual transmissions. I would say that between Gears 1-3, I'm in Sport Mode, and between Gears 4-6, I'm in Eco Mode.
@@RockandrollNegro what’s that supposed mean. You try to get to the highest gears as quickly as possible?
One mechanic once told me to run my car aircon at least twice a week, for at least five minutes time, even in the winter. In the winter, I use the heater AND the aircon together to defog windows very fast! So following this advice, my aircon was still working perfectly when I sold my car (I bought it when it was 5 years old and sold it when it was 16 years old). Car was a Ford Focus 2002, 2.0L Zetec made in Germany.
I have those exact same tires on my 2015 Camry. Pretty impressed with them!
I hope to get quieter tires next time. Road surface makes a difference in road noise also.
Scotty my friend, you have me in a minor panic lol...You have me thinking (dangerous lol...), my mid 60's plymouth has factory air and it works perfect! I have never thought of changing it...I'm waiting for it to start to blow warmer air before re-charging it, like we did in the old days, lol...Always a pleasure...
I owned a 2014 forester, there was a TSB about the AC compressor, mine was replaced under warranty. Traded it in with 164k now I own a 2021 Forester, great vehicles.
I had a 2014 Forester Touring and traded it in on a 2021 Forester Touring. Unbelievable difference between the two vehicles. The only thing I did was switch out the factory crappy tires Subaru put on the car at 1400 miles I switched the tires out for Michelin Cross Climate 2's. Great tire on the car!!! Not for one minute do I regret the trade up. Fantastic car
My !975 Oldsmobile Cutlass with a 350 engine used to get 23 mpg on the freeway back in the day
Scotty for President
Just traded in a 2014 Forester Premium with 63k miles for $16k. And that was at the Subaru dealer. Was a nice time to upgrade for 2022. Hold there value well in the Northeast.
You still lost a lot in value if you bought the old one new ....buying new is such a bad idea..you lose too much value....and new cars aren't made as well, they just have more technology, people don't realize they're not made as well now
@@richsweeney1115 bought it in 2019 from dealer for $17,900 traded in 2022 for $16,000 after putting 35k miles on it. Wanted to go new and took a 10 year subaru warranty extending bumper to bumper for $1,500.
@@richsweeney1115 also bought using subaru VIP program 2% below invoice cost.
Hi Scotty. I was looking closely at the tread direction in your video on the Subaru Forester. I believe the owner has the tires going in the wrong direction. I checked the Michelin website and tirerack and you can see a direction rotation indicator almost directly across from the CrossClimate2 stamping right next to the tire size stamping. Not trying to be critical.....just observant. Great video!
You are exactly right. I noticed that to at first.
Crossclimates are good. The set on my Honda Jazz (fit) have been on for 20,000 miles and still have 5-6 mm of tread on them.
If you want better MPG's, drive slower. Cars still get best mileage at 55-60. Regarding A/C, I check the temp of the air coming out of the vents first. Check with recirculation on to get max. as air from outside the car can affect. If the blend doors in the A/C-heater box are bad, it won't be as cold no matter what the gauges say. If there is a valve on the heater core, make sure it actually closes to keep the hot coolant from flowing into the heater. There is a very fine line between having too much refrigerant and too little in these cars today. No more connecting up a can from the auto parts store to dump more in.
Yup been going 5 under 60 on the highway been noticing good stuff on my Grand marquis getting 29 mpg
Clearly, you don't own a Tundra Pickup😭😭
I still drive about 5 above the highway speed limit (65mph) and get around 36 mpg on average or best 39 mpg with a CVT transmission. Make sure you're not having the engine RPMs too high or fluctuate too much (mine range around 1500 to 2000 rpm in highway driving); don't drive crazy in adverse weather like high winds; and modulate the throttle well.
@@putrescentvermin my corolla 04 does 100kmph 60mph at 3.5k revs, so what?
Evacuate to 500 microns and replace with virgin liquid 134a
When my 2012 Subaru Forester (manual transmission) was new, I was getting 32 mpg highway. Rated at 27. Now it's down around the rated value after 10 years and 100,000 miles.
Your comments about tuning the AC for use in the East vs the West USA reminded me of my grandmother, who was one of the people who taught me to drive when I was a kid in the 1970s. I remember asking her if the MAX setting on the AC used more fuel, and she said it probably makes no difference in gas mileage. She said the MAX setting was for driving in the eastern US. She traveled a lot, and I guess she had realized (as I did a few years later driving across the Mohave) that the MAX setting really helps lower the dew point, and thus the humidity. Because MAX recirculates the air inside the car, it has the effect of super-drying the air. That’s fine in the East, where humidity always comes with the heat, but it can be terribly uncomfortable to your skin in a dry climate like you see in the West.
The fact that Scotty mentions “anti lock brakes” as a new car amenity is legit hilarious… abs has been standard as long as fuel injection almost lmao
Just fixed my 05 foresters ac because of leaking o rings and the compressed clutch plate was out of spec. Replaced the o rings and used copper wire to wedge the clutch plate closer to the compressor and with $60 I fixed my ac!
I get 32-35 mpg on an outlander sport 2.4
Trick is keep the tach under 2 grand.
Yo there is like, 0 pull at that RPM, no shot anyone is going to do that for 1 or 2 mpg more, gas prices ain't crazy enough to do that yet
@@gum_thegod2637 at 65 MPH my tac stays under 2K
What’s so hard about driving 65 mph ?
@Angus Lean I mean consistently, automatic cars don't like to shift under 2.5, and manual cars are really meant to be pushed to 4 or so if you're spirited, if you're not you should still be hitting near 3. My 5speed manual Scion tC will be damn near 3 at 60 in fifth gear, so staying under 2 in most cases is a difficult task and a little too stringent. I'm sorry I came off rude, that wasn't how I should have replied.
@@gum_thegod2637 scion tC gets good gas mileage
My brother has a 2013
Still gets 30 to 32
Mine is a 2018 Mitsubishi outlander sport
It has a CVT so it doesn’t hunt for gears
Stays under 2K at 65 mph
I get better then advertised MPG using 87 octane
I have no complaints
It’s only a 4 cylinder
But if I had a need for speed I would get an 8 naturally aspirated and never even try to figure out mpg
Just cry at every fill up.
My 2012 Subaru Forester gets 22 mpg (more in the summer)and my air conditioner seems still fine, my battery is at least 6 years old and is 85% good. plus I have the last year of a regular i.e. NO CVT transmission.
The question at the end... one nice thing about the keyless systems in the newer cars that I found out by accident is that in the case of my Lexus, it makes it harder to accidentally lock your keys in the vehicle. One day I hit the lock button on my door on the way out, and as soon as the door shut the car beeped at me, put my hand on the driver's door and it unlocked and let me get my key fob that I had forgotten in my cup holder. In the old days I would have been SOL.
My Outback on the interstate, averaged 26mpg at 85mph over 300 miles. At 70 I get 31 mpg.
City it get just over 26. Yes, it’s an all wheel drive.
Scotty, I love your videos. Many things you talk about are basically mental refreshers for me.
My Forrester is the same I recently took an alternate route for a trip I normally get around 32MPG @70 and the alternate route was mostly at 60, I got 35.4 MPG.
Got an 03 Yukon Denali we’ve owned since brand new and have never had the ac recharged, it still blows ice cold front and rear ac when it’s over 100 degrees outside. After 19 years we have never touched the ac system.
Wife has a 2019 Forester we bought new. 67,000 miles, zero problems although you really should expect that. We get 32 mpg, well that's what the display says, probably less than that but who knows? There is no way it will hold up as well as a RAV4 in the long run but we are happy enough with it up to now. I don't like the CVT transmission, it runs as it should but I just prefer a traditional automatic, also I am not confident about it's longevity.
I don't even prefer automatics, I prefer standards..
scotty my daughter has same subaru same year.. bearings went bad and CV axles very expensive parts and get oem only change all set.. tires must be changed as a full set.. good car but costly maintenance. parts don't last as a Toyota...
Have the same tires on our Discovery Sport and will put them on my Forester when it needs new ones. They work great. I can't say I really notice much noise at all in the Disco.
The Michelin Crossclimate tyres make the ride on most cars feel more smoother as they are softer rubber. They seem to last well got 185/60 R15’s and it results in a quieter ride.
The front tires from your video are installed wrong. The 'V' should be facing forward so that when the tires "expel" the water outward instead to the center which can easily cause aquaplaning
@@raymondbaker3134 What video? I don’t have any videos!
Man, I loved your work in Goodfellas.
Also use the correct refrigerant. Not 134a. That stuff sucks, but it is patented, same deal with the new stuff. Use a blend of butane and propane. Many companies make it to right specs to match R12. Less pressure is needed to liquify it.
If you go 62 1/2 miles per when they came out with the epa figures for miles per it’s based off of the old law of 55-60 not these higher speeds after you pass 62 1/2 on all cars it will lower your miles per gallon and use twice as much if you go. 75 so if you go 300 miles you will get there an hour early but you will eat 12-13 gallons instead of 6-7
Depends on the car. I drove from El Paso, Texas to Albuquerque, New Mexico at 70 MPH and got 51 MPG in my VW Golf TDI. Early fall, didn't need the A/C. Way back it got dark and cold, so I had the lights and heater on. Got only 49 MPG.
I drove a Challenger 392 Hemi to the beach at 70mph and sometimes 80mph going with traffic. Got 23mpg instead of 24.
I'm driving a 2015 Forester with the 2.0l engine and cvt (not sold in the US I believe) , I sometimes average 32mpg at the pump when driving very conservatively and not over 60mph. These Subarus are tuned for max efficiency, you just have to take max advantage of their fuel saving features like the immediate fuel cut off during coasting, etc
I've managed to get 33/37 mpg city/highway when I reaaallllyyyy try in my AWD Nissan SUV. That's the biggest reason I haven't traded in that car for something more reliable.
I love Scotty. Learn so much from his videos
This man ain't no car mechanic ... He's an Automotive Theologian!! Good stuff! I learned somethin'!! :D
Cross Climate 2 tires are quite interesting. Based on the idea of two tires side by side. It also keeps its traction as it wears out .. normal tires degrade as they wear as the "pattern is not as detailed" .. I think that is how it works.
Subarus are a good buy. Best kept secret coming out of Japan.
Are those the Michelin Cross Climate 2s on that Subaru? I LOVE those tires!!
my pickup never lasted a full year until i put some refrigerant ac sealant from oreilly's. been 2 summers going on 3. we'll see.
I had a WRX which is AWD ... is was great on gas on country runs !
One thing about Subaru foresters they are known to use about one quart of oil between oil changes.. in the summertime generally... Is when it tends to use a quart of oil between oil changes.. something that is well known.. in the Subaru circles
18 yr old Forrester, never refilled the AC. Might think about it next summer.
Recharged my 2002 Ford Focus last year still blows ice cold. GO FORD ! Manual 5-speed , no problemos.
Good afternoon Scotty!
Scotty, you made my day when you said, Reclaim, evacuate, and weigh the charge back in.
I cringe when I see these guys plop a tank on and start eyeballing it w/o regard to temperatures and factory specs.
Non condensibles are a bear on A/C systems.
Additionally people don't really realize that automotive systems are not A/C systems, they are freezer systems.
Hence R134a being used and not R410a etc
And you had no idea that Scottie let air into the system?
The fuel economy ratings are done with a standard profile. They are useful for comparing two vehicles, but not for predicting actual fuel economy in situations which differ from the test profile. The highway test averages 48 mph and never goes above 60.
I also use CrossClimate tires :)
I had this same Forester. The CVT went out at 125k miles.
Those Michelin CrossClimate2’s are awesome. I put them on my 2006 Honda Accord (why on earth would I put them on this car right? Lol) but I gotta say honestly during the winter in PA it really performed very well, never got stuck. You do hear a little road noise but they’re awesome. I wish I could get a little more confidence with them cornering but that’s most likely on me since I’m a spirited driver lol
Excellent in the Scottish climate too.
2:07 directional tire is on in the wrong direction. Scotty, your customer’s driver side tire is facing the wrong way. I hope 🤞 he notices it.
I thought it was backwards when I saw it, he is going to hydroplane if he goes over a large puddle if he doesn't flip them but then again having them on that way would be better for the snow
Maybe he drives in reverse a lot
LOL 😆
The passenger side front is also backwards, they either rotated the tires themselves, or a place that didn't know what they were doing rotated them.
That trunk picture was awesome! I hope it was well sealed.
Hey Scotty,
I'd like your thoughts on the XT version of this Subaru generation (2014-18). It's a shame they stopped producing the XT version. It's the same engine as the non STI WRX.
PS: if you ever travel to Northern AZ, you're welcome to "review" mine 😅
Actually the XT is back. I just bought an Outback Onyx XT 2022
Hello Scotty. Do you have a video how to replace the AC compressor clutch pulley assembly (Magnetic Clutch)? Such as those fitted in a Toyota?
On my 2019 Impreza, I get 2-3 MPG improvement AND better drivability when using 91 octane or better. Cost/mile is a little higher, but worth it for a smoother running motor.
Am having to actually replace my compressor on my 2010 Civic DX coupe because it's leaking a fair amount. But it's got over 220,000 miles. It's overall in very good shape but that's how it is. At least the mileage we're putting on it isn't going to be as high as the last 4 years (put 70K in 4 years but we moved and that won't be case anymore). PITA to replace the thing though.
I remember seeing the PZEV (Partial Zero Emissions Vehicle) when I was buying my Subaru. Within the week I found time to go on-line and research what that "PZEV" actually meant. To me that badge imparted something highly technical, completely wonderful, and very significant.
Then when I read what PZEV actually meant, I couldn't have been more disappointed and disgusted. I was left thinking, why Subaru even bothered with the cost of those badges and pollution involved in manufacturing them.
It turns out what PZEV means is that, when the engine is shut-off there aren't any emissions coming from the car. Really. That's it.
I am driving a 2000 Lexus LX300 Platinum with 81K miles. A beautiful car, everything still works, even the AC is cold. I plan to drive it till either me or it dies!
also with an all wheel drive you cant run tires that are wore differently they must all be replaced at same time and get rotated properly because you can break your transfer case or the input to trans
I put the called-for 26 ounces in and works perfect.
Like those driving gloves!!😀
I like the end of Scotties videos "Remember to ring that 🔔'
Just in time as always Scotty, have been waiting for this one 👍🏽
Scotty we miss you in Houston. Thought you were in Tennessee. Did you move again?
I had a 2011 Subaru Outback AWD which was rated 28 MPG HWY, and I would get a little less, about 26 MPG. Now I have a 2020 Hyundai Santa Fe AWD Which is only rated at 27 MGP HWY, but I get over 30 MPG on the highway all the time. A lot happier with the Santa Fe. Both were 4 cylinders.
Have owned 2 Subaru cars where good as long as I didn't use the AC not good as I live in Florida.
I love this guy! If he's not the Black Cougar guy, they have to be related! 🤣
I love my 2014 Subaru Forester ❤️.. purchased it new in 2013 got $4600 OFF sticker price with the consumer reports coupon! ..$21300.. before tax.. no I don't have leather seats.. I don't have a sunroof.. I don't have a roof rack.. don't have a navigation system.....But I have everything else! I use my own smartphone with the Waze app for navigation...91000 miles.on it now.. NOTE : after the factory tires which were yokohama's wore right out.. I got good years at Walmart and they wore out fast too! .. since I've been buying Cooper tires which have been fantastic 👍.. they have a great tread designed for the snow.. and they last a good long time.. even with all-wheel drive driving all the wheels all the time
The rotation on the front tires were backwards!
I just got these tires!
Afternoon Scotty! 🏁
afternoon!
our 2020 Forester is getting 31mgp for the past 20k miles, it all depends how you dirve
Not really, a car can only be so efficient. Driving like a Nancy only takes you to maximum possible efficiency - no more.
I'd love a video explaining the issues with asymmetric vs symmetric vs directional tires on AWD cars.
not sure it matters as long as the tires are mounted and balanced correctly. I've ran many AS and snow tires on a few AWD vehicles with no issues
For some reason those Subaru flat 4 and 6 cylinder engine's valves clack like this one does. I wonder if it's just a case of inadequate lubrication. There's just not enough oil getting to the top of the engine.
The good thing about most American cars over the years is that the A/C was often ice cold. The bad thing about most Japanese cars especially in the 70s and into the 80s was the A/C was just not strong enough. They've gotten better over the years but at one time they weren't.
Due to rocketing gas prices here in Europe, I just got a fuel "mileage" of 6.3 L/100 km on a 67 km trip with my all wheel drive Subaru Levorg 1.6 Turbo Direct Injection (which is not an SUV). Just to say that (permanent) 4WD is not always to blame for low fuel mileage.
hi Scotty(big fan here) the mileage advertised by Lexus is pretty close to reality. You drove in EV mode, the worst selection for high speed. Please try the same car in Normal mode(tip from The Car care nut channel). Thats how i drive my Lexus and i get close to mileage advertised by Lexus.
Is it possible to know your opinion about Kia Borrego? Please !
I drive a 2017 Jeep GC Hemi and drive only 10-20 miles a typical day, with maybe a longer trip of 50-60 miles once a week. I get 12-14 mpg. New Jeep GC 4XE and I can drive all electric 6/7 days. But still can tow a boat to the lake 150 miles away. I think this would work for me. If I buy now I get the tax rebate. Though prices are high with inflation I doubt they will ever be less. So PHEV makes perfect sense for me. The confusion about mpg and mpge assumes you charge every night and only drive so many miles every day. Everyone’s case is different. If I drove 60 miles a day or more it may not make sense.
if you evacuate the system and refill the system what about the oil that lubricates the compressor? isnt it eventually going to need some?
You are just removing the refrigerant and non - condensibles , not the oil .
actually a good question and one reason I see Scottys advice to DIY refrigerant systems as potentially troublesome. DIY usually are not at all familiar with the workings of an automotive A/C system. A little encouragement and some refrigerant and they tackle a job that may well go very sour on them. The refrigerant oil DOES circulate with the refrigerant, but the vast majority is in the compressor crankcase. When you empty (purge) the old refrigerant it should be done very slowly, if you go too fast then as the large volume of refrigerant escapes it carries oil with it. Slow loss of the refrigerant allows the refrigerant to escape as a gas, not a liquid, and that change of phase does a good job of separating the oil and refrigerant. SLOW evacuation is the key, too fast and you will see oily residue all around the valve where you are purging the system.
@@garymcmullin2292 9
Nice work Scotty.
What is the point of the high side port? My car a Renault Kangoo only has the low side port, no others. It is however fitted with a high side connector.
Some of the Subaru's you have to pull the engine to change the spark plugs
Needs fuel efficient tires, low drag (no roof racks or undercarriage damage to skid plates), low weight (half fuel tank and no luggage), lose a few physical pounds of weight, low load (no heat, no ac and windows up), cruise control and drafting when possible. Most car manufacturers will have in there documentation the driver weight which is typically 150lbs.
I'm pretty sure that the EPA testing for highway gas mileage uses a 55 mph speed, a holdover from the days of the nationally mandated speed limit.
I currently own a 2014 Impreza, Subaru dealership told me CVT fluid never needs to be changed, of course I don't believe it, but I can't find videos of anybody changing it at all any suggestions? The car recently had hit 100,000 miles and I really want to service the fluid.
I can't anything when my wife starts talking!🤣🤣🤣🤣🤣🤣🤣
Well, I just figured that it was necessary to run the automobile A/C unit monthly to maintain the A/C unit seals.
Toyota Celica got 45 MPG back in the 80s. I thought technology was supposed to get better
How it works and how to fix it when only blow air one vent feet or defrost
Anything about a transmission service with a new filter to drop and fill? The cvts on the Subarus are expensive when what mileage would be best to change the fluid.
I was told highway EPA rating was tested at 55 MPH (down hill - no wind). At 70-80 I would expect it to be less.
Today your car is a piece of crap, tomorrow it’s the best ever made. I have a 2014 crv. Did the transmission slip update at 90,000. At 160,000 miles transmission is fine. Change the tranny oil every 30,000. If you don’t drive your car with a cvt like a race car it will last a long time. I understand Hondas cvt’s are better built than most but it’s not a race car.
Luv your videos, Scotty!
We ❤️ your channel Scotty 👍
LET'S GO SCOTTY!
My 2006 Matrix AWD gets 30mpg highway (75mph) and it's got 195,000 miles.