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Trust Your Gut! Sometimes Tests Aren't The End All Be All. 2011 Outback 2.5i Limited Overheat! 

MrSubaru1387
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30 окт 2024

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Комментарии : 97   
@RichardNelson-d2l
@RichardNelson-d2l 11 месяцев назад
Like many others, my 2012 Outback 2.5i Premium overheated for the first time on a long highway trip after idling for 15 minutes, waiting for an accident to clear. It has only 65K miles on it. Approximately 3 weeks before the road trip, I had installed the Aisin TKF-006 timing belt, water pump, and thermostat per the Subaru recommended 105 months/105K miles. I was able to let it cool, add coolant and successfully drive it home with the heater set to high. Since that one occurence, my troubleshooting has found the top radiator hose gets very hot and very hard and the lower hose is much cooler, until I continually squeeze the lower hose, and it also finally heats up. I have also observed coolant and air bubbles going into the overflow tank on 2 occasions. I suspect a blown head gasket. I used a block leak detector and the fluid remained completely blue. I retested using a 2nd tester and different fluid with the same negative test result. I then used a spill proof funnel to burp the system and found small, champagne bubbles streaming into the funnel, even at 195 degrees as measured by my OBD2 tester. As it warmed up to 208 degrees, the radiator fans came on and the temperature dropped to 198 and both fans turned off. The tiny bubbles continued to stream into the funnel until I turned the engine off. When I squeezed the top radiator hose, lots of bubbles came out. As the engine cooled off, the fluid in the funnel drained back into the radiator. Are there more tests I should perform before replacing the head gaskets? I can rent a compression tester, but I don't have access to a cylinder leak down tester. I am planning to replace the head gaskets myself, using your excellent videos as a guide. Thank you.
@volks-jager
@volks-jager 2 года назад
the 2010 to 2012 Outbacks and Legacys use the MLS turbo gasket from the factory - ive done a ton of these in the last couple years. no headgasket is going to last forever on an NA EJ25 even the turbo gasket. honestly at least when the single layer gasket fails it is usually just a external oil leak, which while annoying isnt a big deal and gives the owner plenty of time to fix, when an MLS gasket fails it overheats and needs to be fixed right away. - and some customers end up nuking the engine because they keep driving it overheating...
@86753091974
@86753091974 2 года назад
We work on these all day every day and it's very common for the head gasket to intermittently fail and never be detected with conventional means. It ALWAYS ends up being the head gasket in our experience.
@joel.3112
@joel.3112 2 года назад
Same here , No need to diag just replace them and send it.
@moomae1
@moomae1 3 месяца назад
Been there, done that, replaced the head gasket. Still rocking my 2010 Outback. 151k miles.
@kidwelldavid6136
@kidwelldavid6136 2 года назад
Again, Thanks for video.
@anthonyrippo1223
@anthonyrippo1223 Год назад
I had my hose pop off after a tstat replacement. I never had water in my oil or bubbling in my radiator or overflow tank. I drilled 2 small holes on the edges ot the tstat and 2 years later still driving normally, This relieves any air behind the t stat. No other issues since I have 185 k on the car. 2011 Forester XT
@ikariku
@ikariku 2 года назад
That´s the kind of situations that are only resolved by experience...
@xanderpercy1533
@xanderpercy1533 2 года назад
My experience with the same platform - USDM 2012 EJ253 with ~120k miles on it, it overheated exactly one time so of course I freaked out about it being the head gasket(s) and had it towed to my mechanic immediately (shout-out to AAA, I love not having to pay towing costs out of pocket and super professional service.) He said he ran it for over an hour and there was no overheating, he thought it was just a fluke with a stuck thermostat. I still had a bad feeling about it and I had the time to pull the engine so that’s what I did. All of the parts were from Six Star or Aisin, I tore everything down short of splitting the crankcase and disassembling the valvetrain because the machinist said that both heads passed leak tests perfectly well. Ultimately it was no more difficult than the EJ253 from a 2009 Legacy I did previously, the only differences were a few parts being different shapes and materials, so if you would be confident following existing guides for an older EJ253 but not this, I can assure you it’s almost exactly the same and you should be fine doing the work mostly on your own (go get the heads decked at an actual machinist!) It’s been a year and a half and nearly another 20k miles and everything has been going swimmingly other than the CVT valve body solenoid debacle and a few minor external fluid leaks. Call it anxiety or call it trusting my gut but I’m VERY glad I did the work when I had the time and just enough money for the parts. Endless thanks to MrSubaru1387 and 1A Auto for extraordinarily good guide videos and big thank you all of the super helpful people in the Fifth Gen Legacy FB group for answering my super specific questions. I wouldn’t be where I am without awesome pro-DIY RU-vidrs and groups (and Harbor Freight lol.)
@chronicdiy4249
@chronicdiy4249 2 года назад
I had this same behavior with my wife's 2011 outback. I just replaced the thermostat and that seems to have fixed the problem.
@Iahusha777Iahuah
@Iahusha777Iahuah Год назад
If you need to drive the car and can't fox it immediately, you can drill holes next to the weep hole in the thermostat and even go further upgrade to 140 degree thermostat. The combustion gasses bubbles can collect in the water pump and around the thermostat keeping it from getting hot enough to open.
@michaelweatherhead9470
@michaelweatherhead9470 2 года назад
Thanks great video. I have this same year 282k
@cryptoisaac
@cryptoisaac 2 года назад
My car had the exact same issue, I didn’t know better so they did the gasket change but after learning everything I think now I could have just tried this first. I was having a P0171 code before it happened but have checked and replaced tons of stuff but it’s still coding P0171
@christopherhubert1938
@christopherhubert1938 23 дня назад
My sisters 2012 Outback had this broken neck issue. I replaced the radiator, hoses, thermostat. New coolant, used no spill funnel. After running and driving for several hours, no issue. But, was checking fan operation, and turned on A/C, secondary fan did not operate! Blown fuse changed, second fan operating. I think the car overheated and blew the hose/neck because under load with a/c on and only one fan it just couldn’t keep cool. Car has been doing fine for several weeks now. Just one more thing to be aware of.
@Zekerbox
@Zekerbox 2 года назад
Same problem with my wife's 2010 outback. This scenario is so similar! Head gasket job in process...
@litchips
@litchips Месяц назад
The upper flange plastic got super brittle (could snap it with fingers) on mine and it broke off, letting hose slip and spraying coolant. Fortunately wife noticed steam and shut the car down before it overheated. Head gasket was fine per the mechanic🤞
@spencermain6686
@spencermain6686 2 года назад
From my experience and research, head gasket failures still happen even with the improved gaskets on 2010-12 Outback/Legacys. It seems that they don't fail predictably like older models. I hear of failures at
@ChrisTheBmxGuy
@ChrisTheBmxGuy 2 года назад
Once the engine got hot and everything expanded the gasket started leaking most likely. Do you not use the combustion leak/block tester? Either way I agree. Trust your gut. Good video 👍
@MrSubaru1387
@MrSubaru1387 2 года назад
I don't have any fluid for it atm.
@christophercaume6690
@christophercaume6690 10 дней назад
Im about to buy this year and model timing belt already done along with the front frame. 144k km so a few years away, it seems, for this problem to arise.
@steveewing9601
@steveewing9601 Год назад
Great video as always! Exact Same problem with my 2012. My question is why didn’t the radiator cap relieve the pressure before my hose blew off? Seems like it should be designed to do so?….
@Iahusha777Iahuah
@Iahusha777Iahuah Год назад
It usually would but at high rpm or high load up a hill it may blow combustion gas into system faster than it can release it. At the cap. And the bubbles may not make it to the top of the system in time so it pushes coolant out which is harder and slower to push out than air so that helps it build psi faster too
@blackscotydog
@blackscotydog 2 года назад
Thanks Mr Subaru great content...As others here have said >>>Its gotta be good and hot to leak.
@dadeftones7
@dadeftones7 2 года назад
I think it just needs a new thermostat when thermostats go bad they don't open that's why the bottom hose stays cold
@MrSubaru1387
@MrSubaru1387 2 года назад
That's not the issue here.
@7511fsm
@7511fsm 2 года назад
@@MrSubaru1387 I'm asking this question from an educational stand point. If the thermostat was stuck closed how would the symptoms vary from what you're seeing now? Thanks in advance if you answer this.
@scottmcd5885
@scottmcd5885 2 года назад
2009 EJ253..Haven't gotten the bubbles yet but at 159k starting to get minimal seepage on bottom of driver's side cylinder head. Head gaskets have been replaced at around 100k by Subaru. Gasket material appears to be the MLS but I'm still preparing for it. It's not "if" but a matter of "when" it fails
@802Garage
@802Garage 2 года назад
Seepage? Of coolant or oil? If oil, I would definitely suspect the valve cover gaskets first.
@joshr8680
@joshr8680 2 года назад
If you were doing the cylinder leakage test on a STI/turbo Subaru with the coolant expansion tank. Where would you look for bubbles? Expansion tank? Or radiator?
@802Garage
@802Garage 2 года назад
Which turbo gasket do you use to upgrade? 11044AA770? I just found you can buy the 2018-2021 STI gasket, 11044AA910, for just $40 a gasket. I wonder if it is revised to be better in any way. PartSouq has pictures. All passages look the same. There is a change to how the layers are crimped together. Instead of little outer tabs by the oil passage side of the gasket, they are crimped next to the outer head bolt holes in the coolant gallery area. The color of the metal seems slightly different as well. Also there are four little notches at the top of the gasket instead of three. The gasket material on the metal is laid slightly differently too. Anyways, just figured I'd share after I went digging, hahaha.
@MrSubaru1387
@MrSubaru1387 2 года назад
I usually run the 1110AA642
@802Garage
@802Garage 2 года назад
@@MrSubaru1387 Ah I see. The holes are a bit different, but looks like it still might work. I'll probably experiment in the future!
@paulamaral7821
@paulamaral7821 Месяц назад
2010 outback 2.5i. So frustrating did the same tests. Combustion, leak down, compression all indicate engine still within factory specs, but still engine is acting like it has a bad head gasket. Replaced leaking spark plug tube gaskets and valve covers. Airlock of the thermostat when the heater is used. But happens intermittently. The engine has 162k with updated gaskets that came from factory. Bummer that this happens.
@alberta3157
@alberta3157 10 месяцев назад
How would you assess a vehicle health after its been driven with low coolant and was noticed at a stoplight it was overheating due to ruptured hose mid drive? Where would it be a good start to tell if any damage was done, checking the oil ? doing compression test ? sending the oil for lab test ?
@michaelweatherhead9470
@michaelweatherhead9470 2 года назад
I have a question to do the top end service you use the hose on the back of the intake on the driver's side.
@300DBenz
@300DBenz 2 года назад
I had a Chrysler 300 with a 3.6 that came in with a huge coolant leak, pressure test showed the oil cooler leaking coolant (common problem). Replaced it, and customer came back a day later overheating, coolant low. I checked the engine with the blue block tester fluid, it stayed blue (spark plugs are not accessible with the upper manifold on, can’t do a leak down test). “Must have been an air pocket”. Refilled the system and sent him home. He’s back again the next day, overheating. I use the blue fluid (still nothing), I run the engine until it’s almost overheating and test it again (fluid turns green!). Turned out the head gaskets only leaked when they were hot from sustained driving and sealed up ok when the engine was cold.
@frantzjeanclaude2269
@frantzjeanclaude2269 4 месяца назад
2011 legacy does the temperature sensor goes bad, because it took a long time for the fan to come on
@shaloppy
@shaloppy Год назад
Recently had the exact same issue and was stranded but luckily had my 2011 with 130k towed to a Subaru dealership. Question if you can answer it please...my receipt has a part number for the 2 new gaskets as 11044AA770. Can you confirm this is in fact an MLS gasket part they used? I called the shop after watching your video to request they use an MLS and they assured me they have upgraded their gaskets to MLS for repairs but I cannot tell when I look up that part number up online anywhere that it is MLS. Thanks. Your videos are awesome.
@eaf2k
@eaf2k 2 года назад
You're saying that one of the indicators of combustion gases getting into the coolant system is the upper coolant hose backing off from the radiator... Why would it do it, if there is a radiator cap that is supposed to bleed all the extra pressure?
@bigytv8392
@bigytv8392 2 года назад
Thank you for the informative video. In my vehicle (ej257, 152k Miles) I observe bubbles in the white coolant overflow tank after engine is at the operational temperature. I also did combustion gas leak test, and the blue color of the test solution turned to yellow. Is that enough evidence that I need to replace the head gaskets? Probably, it is but figured it's better to ask before I pull the engine out.
@outofpower
@outofpower 2 года назад
Yep go for it
@RichardNelson-d2l
@RichardNelson-d2l 11 месяцев назад
Did you finally replace the head gasket on your brother's Subaru and did that fix the problem? I have a 2012 Outback with only 65,000 miles, and it has the same exact symptoms. Low mileage, but lots of short, stop and go trips over the last 13 years.
@MrSubaru1387
@MrSubaru1387 11 месяцев назад
Haven’t replaced yet. She’s still holding out.
@inalaska1709
@inalaska1709 11 месяцев назад
@@MrSubaru1387do you have a video on replacing the blower motor. My daughters 2011 outback heater quit blowing. Thank you
@PZPal
@PZPal 2 года назад
I've been watching your videos for couple years now, always great content. I noticed that 2010 Outback in UK comes with keyless entry and push start button. From your wealth of experience, do you think it's possible to buy parts from UK version and install it all on US version? Or its impossible? Thanks for your input!
@ooochie-yt5006
@ooochie-yt5006 Год назад
Question i have 2010 outback 2.5 premium. No white smoke nothing leaking did oil change no coolant in oil pan but radiator is mixing . But car not overheating. Someone told me if the radiator failed the trans fluid is being pushed into the radiator? Can anyone confirm ? 286xxx miles but theres no symptoms of a bad head gasket
@ZeroCool2013
@ZeroCool2013 2 года назад
Hmmm my 2002 forester had a head gasket leak but never caused anything with coolant system.
@johnmastr7901
@johnmastr7901 2 года назад
They can go bad in different ways. external oil leak, coolant in the oil and exhaust gas in the coolant which causes a lot of pressure in the cooling system, that how mine went bad.
@andrewdoyle6518
@andrewdoyle6518 Год назад
Looking at buying a legacy GTB etune 03 twin turbo but it has a periodic overheating issue, would this be a head gasket replacement thanks ?
@shuba097
@shuba097 2 года назад
You know…… I’ve worked on enough EJ253’s that I’ve officially started hating the 253. Love the 251 they seem to be a bit tougher
@jimrossabrena7955
@jimrossabrena7955 2 года назад
Can you please expand upon this? As far as I know, my 99' Forester has the OG 253 and is MAF. 00' and newer are 251s. What about the 253 do you not like and what are the differences?
@Obv1ously
@Obv1ously 2 года назад
@@jimrossabrena7955 I think the 251 is SOHC and makes less power. 253 is DOHC with (?) variable valve timing. I am not sure though, dont take my word for it.
@shuba097
@shuba097 2 года назад
@@Obv1ously both the EJ251&253 are SOHC. The 253 (with the exception of the first few that were made) introduced AVLS which with that brings the valve stem guides being pulled and a few other annoyances like issues with the AVLS oil solenoids and etc… the 251 is just older and doesn’t have that. Of course it has the head gasket issue but with the right gaskets you won’t have this issue. The EJ25D is a phase one motor commonly found in 95-99 outback’s, foresters, legacy’s. That engine while cool does have its inherent issues with head gaskets and usually needed premium gas which a lot of people failed to do. The reason it required premium was something to do with the active lash adjustment found in those motors. To be clear the 25D is phase one, 251 is phase 2, 253 phase 3.
@Obv1ously
@Obv1ously 2 года назад
@@shuba097 Wow, thank you for the valuable info :)
@williamevans6522
@williamevans6522 2 года назад
Fine, black pepper, will fix that HG leak.😀
@prodnbxo
@prodnbxo 2 года назад
Hey there MrSubaru! By any chance (I’ve got a hunch I know the answer) do you know the FA20 that’s In the 13 Fr-s/Brz? I’ve got one that’s giving me a run for my money and I’m about sick of it. Wondering if something that may be super weird to me may be a big red flag to you!! If this interest you, please feel free to respond lol as it’s been almost 5 months and many many dollars of nothingness thank you
@RichardNelson-d2l
@RichardNelson-d2l 10 месяцев назад
My 2010 Outback head gaskets are bad. Does anybody have any recommendations for a shop in the Los Angeles area that specializes in Subaru and can replace them?
@roymaria6042
@roymaria6042 2 года назад
Hello Mr.Subaru New Subscriber been a Honda owner for the past 20yrs Thank you for your vlogs Just purchased a new 2023 Crosstrek premium with a 2.0 Boxer. It has a stop start feature how would this feature affect the longevity of my engine starting and stopping all the time I'm able to deactivate it only for one trip at a time each time I restart vehicle it defaults to on.it took me 20yrs to leave Honda for Subaru lol.
@homesteadappraisal
@homesteadappraisal Год назад
There is a switch that plugs in under the driver seat to stop the auto start/stop about 100 bucks and easy install I think its autostopeliminator
@scottguyer
@scottguyer 2 года назад
Can't it still be a head gasket even though it passed the leak down test as that test only uses 100psi yet a running engines cylinder pressure can range from 200-1,200psi?
@joshr8680
@joshr8680 2 года назад
Yes. My forester xt would only pressurize cooling system if I would boost the engine. If I drove it under light load (no boost) I wouldn’t have any bubble in my overflow bottle. Brake boost the engine and would have tons of bubbles.
@legneil
@legneil 2 года назад
And your radiator cap bends i had that happen
@ThePhotographyHobbyist
@ThePhotographyHobbyist Год назад
He should be grateful that didn't happen while out on a big vacation driving trip hundreds of miles from home.
@supremekizzle
@supremekizzle 2 года назад
Why is it always head gaskets with these vehicles? I love the idea of Subaru and the vehicles overall, but it's so expensive and common for these vehicles to blow head gaskets.
@Chakotay33.
@Chakotay33. Год назад
This exact same thing is happening to my 2.5i. Actually just finished replacing the head gaskets tonight and still having the same issue. Starting to think I need to aggressively burp the coolant system, or maybe there is a coolant flow control valve that is malfunctioning. New head gasket, water pump, all belts. Also verified heater core isn't clogged. Running out of ideas, so if anyone has been able to fix this I'm all ears. 😧
@Iahusha777Iahuah
@Iahusha777Iahuah Год назад
Drill 2 holes on either side of the weep/burp/bleed hole in the thermostat. And remove the plug on the weep hole to open up that hole to allow the bubbles to get out of the thermostat/water pump area faster. It will help the whole system bleed better. It also helps if you have the combustion gases. If you do have head gasket bad again. You can drop down to a 140 degree thermostat on rock auto or wherever you can find it and drill the holes and it will help the thermostat definitely stay open
@JalenRose02
@JalenRose02 2 года назад
i thought i was going to see a koken tool be use
@dadeftones7
@dadeftones7 2 года назад
The main reason head gaskets blow on Subarus is because of poor EGR maintenance. Having a bad EGR will cause your car to run leaner. If you getting leaner it can heat up the cat (melt) and clog it up causing back pressure and heating up your head gaskets and eventually burning them
@MrSubaru1387
@MrSubaru1387 2 года назад
The main issue is electrolysis from neglected coolant and battery terminals.
@dadeftones7
@dadeftones7 2 года назад
@@MrSubaru1387 you should check the EGR valve every 20,000 miles or so and then you can tell me that I'm wrong
@dadeftones7
@dadeftones7 2 года назад
If you ever get a check engine light for Bank One to lean it means your EGR is too dirty
@Jordan__Sloan
@Jordan__Sloan 2 года назад
Wouldn’t a o2 sensor go off if the cat was plugged?
@dadeftones7
@dadeftones7 2 года назад
@@Jordan__Sloan yes
@mellyzaurora1277
@mellyzaurora1277 2 года назад
Whew it was just a hose 😳😳
@MrSubaru1387
@MrSubaru1387 2 года назад
Unfortunately no. Lol
@zelitovaladao8646
@zelitovaladao8646 2 года назад
My 2007 Subaru Outback has a slight constant shake, slightly worse when turning left. Changed wheel bearings but the problem persists. Had a couple of mechanics look at it but they were unable to sort the problem. Could you please help? Thanks
@rustfactory7673
@rustfactory7673 2 года назад
Wheels are balanced?
@litchips
@litchips Месяц назад
Was it lower control arm bushings?
@barrythomas6429
@barrythomas6429 2 года назад
Holts Radweld to the rescue..
@osvacaniz7571
@osvacaniz7571 2 года назад
What brand of ratchet is the ratchet you have on the crank bolt?
@jimrossabrena7955
@jimrossabrena7955 2 года назад
Probably snap on
@Toolaholic7
@Toolaholic7 2 года назад
Another sign of blown head gaskets are white smoke out of the exhaust while running smelling like antifreeze
@TownAndCountry13
@TownAndCountry13 2 года назад
Hey Mr Subaru. I have a 2013 3.6 Outback and I was doing an oil change yesterday, and noticed that it is indeed seeping some oil from both head gaskets, driver and passenger side. It has about 155k miles. It's not leaking profusely, but definitely seeping oil. If it seems to be leaking oil externally, do I have to worry about cooling issues in the future as they get worse? Thanks!! Great video, as always.
@Jordan__Sloan
@Jordan__Sloan 2 года назад
I have the same motor, but my seeps from the timing chain cover, I did have a power steering pump leak that looked like it was coming out of head gasket.
@TownAndCountry13
@TownAndCountry13 2 года назад
@@Jordan__Sloan I have a slight leak there as well, but very minimal. Extremely common on the H6's. Same with the power steering pump leaking. That will get all over and get all caked up.
@puremayhemFTW
@puremayhemFTW 2 года назад
Not first
@lydiaabuel4571
@lydiaabuel4571 2 года назад
自己 。紧月 *
@Davidsmithisyourdad
@Davidsmithisyourdad 2 года назад
Makes me glad I never worked for Subaru
@nowiecoche
@nowiecoche 2 года назад
Heh, if you work on a Subaru, you just expect those old Subarus to have a head gasket shot. If you work on a Nissan, you just expect to work on their broken CVTs.
@Davidsmithisyourdad
@Davidsmithisyourdad 2 года назад
@@nowiecoche ain't no way I want to pull a whole motor just to do some head gaskets
@nowiecoche
@nowiecoche 2 года назад
@@Davidsmithisyourdad Still, a Subaru is going to Subaru. Glad that all the other car makers use different engine types for different methods of working on cars.
@Davidsmithisyourdad
@Davidsmithisyourdad 2 года назад
@@nowiecoche sounds like a Subaru is junk, like Volkswagen
@jasonk19xx17
@jasonk19xx17 10 месяцев назад
@@Davidsmithisyourdad the subject car in this video had over 200k miles before the gaskets failed. Not all Subaru gaskets fail, but it is a problem area. What car with 200k miles doesn't need a significant repair at some point?
@jeezzcook1645
@jeezzcook1645 2 года назад
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