How to Properly Clean K&N Air Filter (Focus ST)
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- Опубликовано: 15 сен 2024
- Here are all the necessary steps to cleaning you K&N aftermarket air filter. SUBSCRIBE for more videos and please ask any questions you have in the comments below.
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Been using K&N filters on my Motorcycles and cars for years and still do.All the issues you hear about K&N filters,are caused by people not knowing how to clean and re-oil them.Here's what I do.First off,don't use that cleaner,it does not work.All you need to do is submerse the filter in warm,not hot,soapy water.Let it soak for an hour or so,then run clean cold water through it for about 10 minutes.Once this is done,shake the excess water out of the filter then just leave it do dry naturally.Once you are happy the filter is dry,very,very lightly spray the K&N oil onto the outside of the filter,making sure you have covered all of it,do not spray oil on the inside! and there you go,job done.
Could you do a video on how to properly clean a fleshlight ? Thanks man.
Big fan thanks for the comment!
Good to know on the Mountune / K&N. I plan to get that for my new vehicle. I like that you just have to spray rinse and let dry to use it again for another 10,000 miles instead of changing every time you get an oil change. Thank you for that information.
I prefer Dry-Flow Air Filters vs Oiled Air Filters. Why? Allow me to explain in further detail.
K&N has 1/3 the dust holding capacity of OEM filters before restricting, and passes 47x more fine dust. Basically, you got a filter that you have to clean 3x as often as you would replace a regular filter, with the only advantage being that now you only have to pay for the cleaning kit.
They don't necessarily run better so to speak, it's actually less restrictive on air flow. You can actually see more light passing through a K&N filter vs an AEM or AMSOIL filter. This is why as I've told many groups and forums over the past few years, K&N Airflow benefits are only right up until it accumulates a bit of dust.
1. These filters pass 47x more fine dust, they need maintaining 3x as often, they cost 2-4x as much as an OEM filter (not including the cleaning kit), and as an added bonus, they have a tendency to foul up MAF sensors if you aren't careful when you're oiling them.
2. TBH with you they're not appropriate for street cars, and that's primarily due to the poor efficiency. Cummins actually has a TSB out telling techs to check what filter is being used when their trucks come in with dusted turbos. Google " turbo dusting " if you don't know what I'm talking about. Last tech I spoke to, he denied warranties on several trucks when they showed up with dusted turbos and a K&N filter. Poor filtration efficiency = not suitable for street cars. Modern engines with tight tolerances, low friction piston rings, and turbochargers should not use K&N filters.
3. Often, they do start showing issues, but these are usually long-term issues, not 40k miles. Think closer to 100k miles. Bottom line is these filters suck for filtration, but what's worse is they clog 3x faster than an OE filter media of the same dimensions, so you're cleaning them 3x as often, and any performance benefits are negated totally half-way through the filter's dust loading cycle. On those merits, what exactly is the benefit of the K&N filter if you're not cleaning it every 5-10k miles? These are good filters if you have a track built car and you need something that flows a little better when clean and you don't drive it enough to dust load it, but for a daily driven vehicle, they have a number of drawbacks that can be easily addressed with a better synthetic nanofiber filter like AMSOIL, the Injen EA (also made by AMSOIL), or AEM. These filters allow you to run a larger conical filter for the increased surface area (which reduces restriction), while not having to deal with the poor filtration efficiency while maintaining flow under dust loading. That really is the bottom line. There are better filters out there that don't have the drawbacks of this antiquated 1970's filtration technology.
In closing, I happen to own a Focus ST (2018) I opted for the AEM Dry-Flow Air Filter. It traps more fine dust and dirt, costs actually less than other filters and doesn't require me to have to buy a cleaning kit. Not to mention less down time between cleaning.
Good tips, I’ve seen a few of your videos and decided to sub. Your reaction was really funny. It’s nice you have a good balance between humor and seriousness. Keep up the good work.
Thanks for the support!
Nice video man...I have been watching your channel from Namibia in Africa! Just a note mate, I actually have a Cobb filter, did a single coat of oil like you did there about a year ago. I actually found dust on the inside of my intake tube by the PCV line. Recently I cleaned it again and applied 5 coats of oil to the filter...no dust so far, no oil on the MAF sensor. Namibia is arid, just like Arizona, thought I'd share it with you.
love the outtakes at the end
haha thanks
I have a 2017 Focus ST and even though you have moved on I want to comment. Your videos made me purchase an ST. It was a great play by play. Also, you don't need to spray the inside of the filter with oil....you don't want that sucked in. Future reference for future cars lol. Now on to the Tesla video's!
Isn't the air coming through the non-capped open end not getting filtered? It seems it would get sucked directly into the inside of the filter from the engine bay.
I did this with my green filter and used their cleaning kit. The cleaner actually smells pretty great haha. I was intrigued to see how it made you cough and gag 🤣
Nice one Gjeebs I going to get one for my car 🚗👏🏿👏🏿👏🏿👏🏿
love the videos but i thought u said not to spray the inside an wish u could have been there at the pavilion
@RGBGFIVE I would go back to stock air filter ASAP. oiled air filters like the K&N have issues in the Focus ST, the oil builds up in the intake and eventually coats the MAF sensor and causes it to overheat. That is why the red disappears from the filter, its getting sucked through the filter... Bad mojo.
That's a really good point you bring up and mine did lose the color as you know. I actually haven't put it back in since I cleaned it but I am going to talk to the people at Mountune to see their opinion on it.
5dmc1 focus ST's have MAP sensors not MAF sensors
Have you heard anything back from mountune? I recently purchased this and am thinking of putting the stock one back in after seeing this.
@@Gjeebs what did Mountune say mate
Have you heard anything back from Mountune,about using their air filter that has a light coat of oil on it ? thanks...
Good video - you may want to wear safety glasses and better ventilation on future cleans. Those chemicals may not be good to breathe.
Thank you and good point
Just purchased my K&N filter for the ST today! I'm curious if you had any issues with the housing seating back into place with this filter? It definitely took some work to get it into place... Not forceful, just not easy. Did you notice this with your K&N?
some good tips
Thanks for the tutorial mate, just curious with your intake, do you have the full intake piping or just the high flow filter? If you only have the filter, do you still get extra intake noise and can hear the blow off valve more with just the filter?
*stock blow off valve
I just have the high flow filter and I get a ton of extra sound both on induction and blow off sound. It's a great part for the ST
Nice! Cheers for the reply, I want those noises but don't want to tune my car as it's under warranty still
This is a great way to do that and very cheap!
FYI you should service your air filter every other oil change.
With that k&n did u feel any improvement
I got the green filter and the instructions say dry it before you oil it
So one, you only spray the oil on the outside and two, how long did you let the oil settle in before putting it back in the car?
+incanwarrior22 yes only spray on the outside and I would say 24 hours to be totally safe
Can i spray with fuel oil?
Isnt the intake cheap ? Why clean , oppose to replace ?
It's $59 so yea it's not expensive but I wouldn't want to pay that to replace it every time
Is the oil safe for cooking?
+Saood Dadabhoy I cooked my eggs in it yesterday and felt fine but when I shat it came out a little quicker making the water in the toilet splash more. So if you like that water on your ass I highly recommend it.
I SMASHED that like button! SMASHED IT!
Boom baby! Did you break your mouse?
Not only did I break it but it's in PIECES! #worthit
will changing my stock air filter give me a check engine light?
No
@@Gjeebs I did gave me an error to check the engine now, maybe because is wet??
I use the paper one at the moment, dry, on 1.5 tdci, focus mk3
Do you Experience any Dust Pass through into the Engine ?
I didn’t see any in the intake hose when I changed the filter. It was surprisingly clean. Especially for Phoenix which is very dusty
I bought a new one,ya
Hmm yeah And re oil it over oil it and cripple the Maf sensor 💩