How To Replace The Engine Air Filter In A Subaru (Impreza, WRX, STI, Forester, Outback)

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How To Replace The Engine Air Filter In A Subaru (Impreza, WRX, STI, Forester, Outback)
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Replacing the engine air filter in a Subaru is super easy and can be done with no tools, saving you money rather than having a dealership do the install. The engine air filter is located in the air box in the front of the engine bay. To replace it, unlatch the two metal clips, slide the old filter out, and replace it with the new filter. It's that simple! How often should you replace it? It depends on driving conditions. It's a good idea to periodically check the air filter to see if it needs replacing.
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29 июн 2024

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Комментарии : 206

@supaflylob 8 лет назад

changed my own air filter now im a mechanic

@northbeachfilms 3 года назад

good job!

@andreyevt6252 4 года назад

Thank you! Subaru told me my Impreza needs Engine filter being changed and Cabin filter for $39 and $87 respectively. Now I can do it by myself and save $100.

@iloveyogya4786 2 года назад

I love money. This a god send lol

@ZakTheRipper18 2 года назад

Funny the relative costs, because the engine air filter is way more annoying to swap than the cabin filter. Maybe that's because I'm using an aftermarket air filter.

@8Arachne8 9 месяцев назад

Use this video every time they recommend I change it. Never remember how to do it, but search and this pops up. I appreciate it. Lol

@derpydestinies 8 лет назад

to make it easier, there are two pop up clips that hold the air intake "funnel". takes an extra 2 minutes but makes very easy to check the box and making sure no leaves or debris are in there.

@phant0 8 лет назад

One thing to not forget: once the filter box closed make sure that the bottom of it is properly closed as well. Some dealership f*ed it up once and I drove around with half the air coming into my engine unfiltered for a few days until I noticed.

@benhatton8893 3 года назад

Thanks for the video. I've been changing mine every year at March right before pollen season starts and also my cabin air filter. Had to make sure I've been putting it in correctly lol

@sheab3207 6 лет назад

I know nothing about cars but once I finally figured out how to pop the hood, it was a breeze! So easy to find and do the change. I followed what he said exactly for my 2018 Subaru Forester and it was perfect!

@NiGhtPiSH 8 лет назад

I do most of these small things myself, except oil change, since I don't have a lift, but that's actually good since I can determine what needs to be replaced in the suspension, since the Bulgarian roads take their toll pretty harshly even for a Subie.

@DeliciaTrini 6 лет назад

Thanks so much for posting this video! Took me five minutes!

@nx9100 Месяц назад

You just saved me on a $49.95 filter change at the dealer. Thank you!

@DoctorSherwood 8 лет назад

wow, great work. keep it up, proud of you.

@tylr3669 5 лет назад

Lol. PO'd service lady has had it with me. Came in for a Subaru recall, and she tries to pitch me that I need 110 plus tax for 2 new filters and service...I live in Midland. Those filters will be full in 30 minutes. Glad I found this. :) thx

@strategicbushcraft6391 8 лет назад

Do you recommend K&N Filters? They cost more but last a lot longer with cleanings. That is kind of funny how the dealership was going to triple charge for about a 2 minute job.

@lescarol 7 лет назад

Great video - both engine (and cabin filter video also)! Good explanation and visual details - saves a lot of grief. Appreciate the links to discounted OEM parts also - THANKS!!

@colepinney8846 4 года назад

Good job dude. Very helpful.

@mikev6162 6 месяцев назад

Super helpful. Thank you. 2 for 2 on your videos in the last 30 minutes.

@captnebulace 7 лет назад

I'm jealous of your wrx hatch. they're almost impossible to find where I live and VERY expensive due to virtually no supply and wild demand

@roberthumphreys1316 2 года назад

Thanks you, your video was a great aid!

@beatsandanimationtv1297 Год назад

Thanks man you've saved my life

@Ed-lz4jv 8 лет назад

I get the MAAN filter on amazon for $8 and change, works great

@jakeb4962 8 лет назад

Have you tried using a K&N before? I have one on my legacy and I love that I just have to clean it instead of replacing it

@johnclassified36 3 года назад

How is it so far when did you replace ?

@jjrudey 8 лет назад

Damn, I said yes to the dealer doing mine without even thinking.

@allanongonge7146 2 года назад

What's the difference when it comes to performance between the 16546AA10A and 16546AA12A.

@Reksir 8 лет назад

Such an easy replacement lol

@annalehner8469 6 лет назад

Very helpful, thank you :-)

@joewrx8153 8 лет назад

Great stuff aging

@abenguyen 8 лет назад

Did you plan on modifying your STI at all? I know you don't drive it as much compared to others, but any small mods like intake, exhaust, tunes, etc?

@reneelikesitspooky Год назад

*snicker* sti... Great vid! Thanks!

@bmwmsport11 8 лет назад

Damn those Subaru genuine filters are well made. I don't ever recall Autozone STP filters for my WRX ever looking like that.

@consonantsandvowels1 7 лет назад

Subs forever

@musicISlyf1 5 лет назад

bmwmsport11 they’re made by Denso.

@sylak2112 8 лет назад

My GD3 Fit sport is the easiest Air filter to change that any car I ever own. 4 clip that and there nothing that block them ( unlike the Old E30 with you had to pry the air box out or remove the piping because one of the clip was behind it ), remove, pop the new in and your good to go! Filter are super cheap too.

@anthonydelapena4524 3 года назад

Very helpful

@ansellovestogroworganicall2180 4 года назад

Thank you, good video.

@ariannedamrow254 4 года назад

I am so glad ai didn't pay the $45 to change this and did it myself, easy peasy.

@terrorriizz 8 лет назад

if you can see a good amount of light going through them theyre good enough but i actually wash mine anyway after a few months. they're not made of paper pulp so they dont fall apart or anything when you wet them. it works well. this way, you dont have to buy anything lol just keep an extra one on hand to put in while the other dries. same for engine air filter. perhaps eventually you wont able to get it clean enough but that will be a while. theyre not 100% pristine white like a fresh new one is even after a wash but a good 90% like new.

@athenachristinemusic Год назад

Thanks man!

@miket2916 6 месяцев назад

for air filter orientation, does it matter if horizontal vs vertical? For some reason the mechanic I went to had them oriented vertical instead of horizontal like you did... I just copied the orientation I saw previously

@peyn 8 лет назад

Lol I just struggled with my mom's until i got it. I was so paranoid that i didnt clip it all back correctly though 😂

@Jay_Saldana 8 лет назад

hey dude wanna review my 2016 kia forte? I live in troutdale and realized you filmed in the gorge!😃😁

@leviflores4967 7 лет назад

thank u man

@justinbowen1183 2 года назад

I noticed that inside the air filter housing that there is a second filter mounted directly to the box closest to the intake hose, what is this for exactly? I assume to smooth out the airflow?

@shafserious2805 8 лет назад

Hey bro plz do a vid on suabru engine knock, been using unleaded 95 fuel when i should have been using higher octane fuel now i need teraclean on my engine to get rid of knock! ...non turbo 1996 subaru limited edition

@dpecchia 2 года назад

I noticed a white plastic water tank under the engine air filter housing. Does anyone know what it's for? The window washer fluid tank is on the opposite side, so it isn't that.

@drew53832 8 лет назад

You should do a video on Natural Gas vs pump gas.

@MrWinyu777 6 лет назад

Thank you .

@ahmadsaeed1055 8 лет назад

would it effect if I change to other brands, I switched my car with BMC air filter

@beenjammin181 4 года назад

If the filter box wasn't properly reseated, could that cause engine misfire codes to be thrown? Changed my filter then got misfire codes from all four cylinders

@alllvin01 8 лет назад

What kind of check up did you get at the dealer and how much was it?

@usagentcyclone 8 лет назад

hey you should make a video on an engine coolant temperature sensor. i learned mine was bad. these things are a 5 dollar part, and when they go bad they send wrong data to your ecu and it really messes up your car! it caused my high idle, throttle hesitation, random stalling, running rich and the car not starting warm because it flooded the heads with fuel.

@darkbanditEX Год назад

Subscribed!

@KndN8x 7 лет назад

I change my air filter on my 07 Subaru Impreza S-GT but when i was trying to close the 2 hatch on top it wont close properly i had to push the air box together just to close it but it still does not feel right it's still not properly close together. Any help? Thanks

@eyeofthetiger444 8 лет назад

When I bought my Mazda6 back in February, noticed it had a manure smell on the drive home. Cabin filter was unbelievably filthy. Haven't smelled the smell since I cleaned it.

@raterbeast 8 лет назад

It is almost identical in my 98 outback and my brothers 02 outback sport.

@dominicfong6341 8 лет назад

The hinged airbox like this is quite tricky to put back on. You have to make sure the hinges on the other side are engaged; otherwise it would suck unfiltered air into the engine.

@maxwellmccomb8603 7 лет назад

Dominic Fong that's the problem I'm having right now

@TrudeauMotherWasBusy 2 года назад

“And that’s all there is to it!” ….. I felt that, for some odd reason

@vincentmadamba2299 26 дней назад

Is it normal to have really struggled to get the old air filter out of a 2019 WRX STI?Also, when I did end up getting the new air filter in, it was a really tight fit when trying to put the clamps back on. Is that normal? Or is the new air filter not properly placed?

@pighater951 8 лет назад

that helped me alot 😩😩😩😂😂😂✌

@GxxdGonzalo 8 лет назад

do a conventional oil filter versus a K&N Filter

@DanteTheAbyssalBeing 8 лет назад

So much easier than my FR 1.8T. Horrible rusty little bolts hold it in and it's a real struggle to get the airbox apart. Come to think of it, nothing is easy on my car. They didn't think of us at all when they built it.

@minhg7475 8 лет назад

can you do a video about seatbelt mechanism? :))

@ozlife1136 3 года назад

Thank u

@THEUrinalCake 5 лет назад

Well this is the first time in 20 years I've ever been defeated by an air filter. After about 30 minutes of fiddling with it, I've opened the air box, taken off the induction scoop and unfastened the hose clamp, but the rear of the airbox won't come loose from the hose even with the clamp fully removed, and there's just not enough clearance to get the filter out/in between the halves of the open box. Maybe they've made a subtle change to the 2019 model or maybe my airbox is just tightened down slightly more than normal, but there's no way I'm going to be able to pull the swap off without unbolting the front airbox bracketry from the fender completely. What a piss off. Thanks for the tutorial though so at least I knew where all the parts joined up. Too bad mine is being a stubborn ass.

@ZakTheRipper18 2 года назад

I'm having the exact same issue at this very moment on my '19 STi, with a WIX filter (which is what he appears to be using in the video as well). I can't for life of me get the two halves of the box to seat properly even after getting the filter inside.

@kathleenspears3952 3 года назад

Do you think a Dooxi air filter is a good replacement?

@robert_trevino369 8 лет назад

K&n and similar filters that use oil can leave an oily residue on the mass air flow sensor element which can lead to various issues such as lean codes. They also do a worse job of filtering air as a byproduct of more flow. Just stick to the OEM stuff. Keep in mind that OEM filters are used for warranty purposes. The manufacturer is trying to avoid an engine warranty claim by ensuring that the filters do their job properly.

@jakeb4962 8 лет назад

I mean when I bought my car used it came with a K&N and I check the MAF every time I clean the filter. I think as long as you routinely change your oil, clean the filter, and check the MAF, there isn't really too much cause for concern. People test K&Ns with a 97% filtering efficiency vs 98-99% with OEM filters, so as long as you properly maintain the engine it shouldn't be too big of a deal

@frankmagana1408 8 лет назад

We only use K&N filters on all of our cars and we have never had any sort of MAF problems at all

@3248934 8 лет назад

Thank god for this info because I just spent $360 on a K&N intake, but mostly for the sound it makes, nice grunt.

@ZzmaerD 7 лет назад

Should have gotten something like cobb intake or a Perrin intake on your sti or wrx. Any doesn't matter but those brands are common on subies

@cobra454tim 8 лет назад

try putting a set of plugs the Subaru H6 guys also on the air filter you have to remember that if you have a dirty air filter you really won't lose gas mileage the only thing you lose is total cylinder filling in other words power may go down a little bit as the engine is trying to achieve maximum power under Full Throttle... am I off my rocker Jason?

@lexmaximaguy8788 8 лет назад

the easiest air filter change ever..2002 nissan maxima..5 seconds.

@cobra454tim 8 лет назад

and 13 Legacy 3.6 R

@feiks420 8 лет назад

Explain how a rev limiter works!

@stayhumble.5686 4 года назад

Ive needed one for like a year and half lol how bad is that im getting one tomorrow

@balajichandrasekaran6312 8 лет назад

How 2 clean air filter? Is it possible?

@searchingforsea 3 года назад

Is this considered the, 'air cleaner element'? (in contrast to HVAC system A/C filter, which seems to be the cabin air filter)?

@dpecchia 2 года назад

The cabin air filter is located behind the glove box. This same guy has a video on how to change it.

@nuttysnpdg 8 лет назад

what you can do, is take all the pipes off and duct tape some chicken wire over the throttle-body intake.. gives you 200hp+ and you won't have to worry about chickens getting in your engine.

@yourmommashouse 8 лет назад

Funny, but the comma should be after is, not do.

@nuttysnpdg 8 лет назад

Robert Glacier You forgot to use quotations.

@calebjames7314 7 лет назад

excuse me but I have a legacy gt turbo and I recently switched my old air filter with a STP one with my friend. we got it in but the very bottom isn't really latched, will I lose up or anything?

@monkfarm 6 лет назад

Fupa, figure out how to do it right. You have a turbo, that will get screwed up without clean air. You will have dirt going in there.

@YugiSunshine Год назад

this is my next job on my moms car so i hope i do it correct im going to have my mechanic uncle help me

@xarisorde 8 лет назад

3 VIDEOS OMG

@EngineeringExplained 8 лет назад

+Sorde by complete accident hahaha

@jcoyle6 6 лет назад

Do you think a k&n air filter is a good replacement or upgrade to the stock air filter in say a 2018 outback?

@3248934 8 лет назад

What's your take on K&N filters?

@3248934 8 лет назад

Tom Johnson So OEM filters are for people with small penis?

@orlandoaquino5547 Год назад

Can we clean the engine filter with soap and water?

@Zigafreed 8 лет назад

Do you think it's worth it to use a washable aem dryflow panel filter over a standard filter?

@blurglide 8 лет назад

Oiled gauze filters are not very good. They have fewer, shallower pleats, so are therefore much more porous in order to flow an equal or greater amount of air. This allows more dirt into your engine. Furthermore, the reduced surface area means it clogs up much more quickly, so very soon will be MORE restrictive than a paper filter. I think there was someone on an old Miata forum who actually tested this hypothesis a long time ago and found it to be true. Stick with a paper filter

@erikk77 8 лет назад

Do you sell paper air filters?

@blurglide 8 лет назад

Mechanical engineer here. I often hear a myth that a dirty filter is bad for mpg. I do not believe this is the case during steady-state operation on a spark-ignition engine with a throttle plate. This is because all the throttle does is restrict airflow, so if you have a dirty filter, you just open the throttle slightly more and let the air filter do part of your throttling. Of course, it might affect transient mpg, and will obviously affect overall available power and throttle response. Thoughts, Engineering Explained?

@sanderaits 8 лет назад

It doesn't just restrict airflow, it also decides how much fuel to inject. If you opened it up more, you are also using a little more fuel.

@akarimsiddiqui7572 8 лет назад

The engine performance is dependent on air and fuel mixture. So, if the flow of air is restricted, ECU will detect and compensate the difference with fuel. This WILL give you a little bad mpg because more fuel is being burned. I am not a mechanical engineer major but an engineer nonetheless. Change oil, fuel, and air filter at least everytime you change oil.

@leolldankology 8 лет назад

Stoner here, what do you guys think about time travel?

@TheJBMasterpiece 7 лет назад

leo ll disappointed no one responded to you. Time travel is neat

@parthvarma1804 8 лет назад

How can I get in touch with you? @Engineering Explained

@sivonparansun 4 года назад

My replacement OEM air filter from subaru dealershipwas ORANGE, not white

@brutekiller787 8 лет назад

probably didn't need to be changed yet. 20-25in of h2o and they are ready. any more often than that and you are opening your intake to dirt excessively

@kevenchand91 8 лет назад

What about a Subaru Liberty or legacy as Americans call it.

@divingseal1 8 лет назад

Holy Crap! My coworkers did the inspection on your car!!!!!!

@EngineeringExplained 8 лет назад

+divingseal1 haha, your coworkers also wanted way too much for a filter. ;) Like that dealership for the most part though!

@divingseal1 8 лет назад

I'm just a Lube Tech yo

@unclealig 5 лет назад

shouldn't a vacuum cleaner being used to clean the inside of the air filter box in order to remove any particles, which may come of when taking out the old air filter, so that no particles can get behind the filter and will get sucked into the motor if they are behind the new filter.

@antontaylor4530 8 лет назад

How did you get your filter so dirty in so few miles??? Have you been driving that thing on Arrakis?

@EngineeringExplained 8 лет назад

+Anton Taylor I live in the Northwest and take full advantage of AWD! :)

@antontaylor4530 8 лет назад

+Engineering Explained I can't say I blame you! I have a Suzuki SJ413 in SW England, and I take full advantage of 4WD. In fact, I'm not at all exaggerating when I say that you can rarely tell what the paint colour of the wee beastie is...

@hangyin4068 7 лет назад

I just changed my air filter in my wrx and I noticed that there're leaves in the air box. Isn't it dangerous if I left some leaves or dirt to the back of the filter? I think having a professional mechanic to change the filter is reasonable, not worth $89 tho.

@233kosta 7 лет назад

If you're convinced you'll fook it up - then it may be worth the peace of mind, but it's such a simple task that I'd expect anyone to be able to manage (unless you know - you've got to strip half the engine to get to it... in that case buy another car!). It's a good idea to clean up all the crap that's in your air box and you don't need a professional mechanic to do that either. Swapping the air and fuel filters should be part of the standard oil change service anyway, I don't see why people in teh 'murica don't do it :/

@meroremo1648 7 лет назад

Some people clean the air filtet by compressed air and reuse it . Is it possible?

@EngineeringExplained 7 лет назад

Some filters are designed to be cleaned and re-used, others are not. Most factory ones are disposable, rather than re-useable. But if you're not going to replace it, cleaning it out is better than not cleaning it out, as long as you don't damage the filter.

@meroremo1648 7 лет назад

Engineering Explained .... Thanks for the quick answer. best regards. 👍👍

@marc07112 8 лет назад

I do it myself too man

@marc07112 8 лет назад

dealer tried to charger me $112 to charge the engine and cabin air filter, I laughed in the dudes face and said I know how to do it myself

@timothyrhoades9216 8 лет назад

+marc07112 Good lord. The stealerships love to charge bookoo bucks for simple crap like that.

@garygullikson6349 25 дней назад

Did the dealer's $39.95 include installation?

@iiXboxLiive 8 лет назад

Hey guys, ChrisFix here. Oh wait.... 😉

@scghost 8 лет назад

oem filters/maintenance parts are usually waaay overpriced

@233kosta 7 лет назад

But also factory spec, so if something goes wrong they can't blame the replaced part.

@TrueCanad1an 8 лет назад

I've timed myself. I can change my air filter in my 8th gen civic in 20 seconds flat.

@TrueCanad1an 8 лет назад

Brian Cornell Your just jealous

@BetterPlay 8 лет назад

of what....?

@BetterPlay 8 лет назад

you're

@monkeyonfire13 8 лет назад

Why wouldnt you use a K&N?

@blurglide 8 лет назад

Because they're not very good. They have fewer, shallower pleats, so are therefore much more porous in order to flow an equal or greater amount of air. This allows more dirt into your engine. Furthermore, the reduced surface area means it clogs up much more quickly, so very soon will be MORE restrictive than a paper filter. I think there was someone on an old Miata forum who actually tested this hypothesis a long time ago and found it to be true. Stick with a paper filter.

@blurglide 8 лет назад

www.bobistheoilguy.com/airfilter/airtest1.htm Here's the test

@monkeyonfire13 8 лет назад

TL;DR Video??

@IIGrayfoxII 8 лет назад

Plus the oil coating fouls the MAF sensor

@Beer_Dad1975 8 лет назад

K&N are rip offs and generally do nothing useful other than let more dirt into your engine or mess up your MAF sensor

@JesseArt 8 лет назад

Man, wish it were that easy on my over-engineered Jetta. The geniuses decided to hide it in the engine cover.....behind like 12 T-25/30 torx screws... :(

@gavinfaync 5 лет назад

Das German Engineering

@Black2KGSR 4 месяца назад

There must be something wrong with my STI bc i couldn't open it enough to pull the filter out.

@7150285 8 лет назад

this task seem a lil bit too easy for a video that long, but I guess it's difficult for some ppl that never change air filter before... lol. But there's always a first time

@hueflungpoo 8 лет назад

And our local Subaru charged us $194 in labor just for this. What a rip off. Glad we fought it and got some credit from them for he next time.

@unclebrice1167 3 года назад

That's straight theft.

@zaccwalker3098 8 лет назад

You must live in a really dust and dirt heavy area. Like 20,000 miles on my spectre filter and it looks not even CLOSE to as dirty as that guy. Holy cow.

@EngineeringExplained 8 лет назад

+Zacc Walker Actually a very clean area, but I go off on gravel/dirt/snow/etc roads a good amount.