Air Filter Change

JohnsD90

JohnsD90

New member
Well, during last night Northeast 4runner meet, LINY discovered that my filter needed to be changed, badly. Just take a look at the pics.

Yes all of that was in with the filter. I truthfully have no idea how the hell all of that got in there.
I just bought a Fram filter to bridge the gap until i buy a K&N one.
 

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damn. it run any better now that you cleaned it out?

that happened to my jetta once when a mouse made a nest of the airbox and plugged up the intake tube. engine wouldn't rev over 2500 rpm in neutral. once i cleaned it, it felt like a rocket.
 
thegreenmonster said:
damn. it run any better now that you cleaned it out?

that happened to my jetta once when a mouse made a nest of the airbox and plugged up the intake tube. engine wouldn't rev over 2500 rpm in neutral. once i cleaned it, it felt like a rocket.
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what year Jetta and engine? and im gonna go out now and try it out.
 
Get yourself some pantyhose and stretch it around the inside of the airbox. No one will make a nest after that! I've done this before on previous cars that had unwanted guests and it worked like a charm!
 
theizzardking said:
you got a better idea for a high flow stock replacable filter?

i heard good things about amsoil......

(k&n's let too much dirt in) ((right?))
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Well 220,000miles (and counting) on my dads 99.5 TDi Jetta with his K&N seems to be holding up perfectly, especially since you only have to clean the filter not replace it. I'm sticking with K&N.
 
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JohnsD90 said:
Well 220,000miles (and counting) on my dads 99.5 TDi Jetta with his K&N seems to be holding up perfectly, especially since you only have to clean the filter not replace it. I'm sticking with K&N.
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yeah. my 4runner has had a K&N its whole life and i'm at 240k miles. they do just fine. they just get a bad rep sometimes because people over oil them. and Amsoil's aren't any better than K&N's plus they are a biotch to clean
 
no no no K&N is fine for the drop in filter, I've had one in my civic for years never had a problem and i had one in my 4runner for a couple months until i bought the Volant But yeah they don't do much for adding power but i think i noticed mpg's goin up both times. Anyway... I'm not sure if it will fit in yours but i have a K&N drop-in for an 01, and im willing to sell it if your interested?? PM me if you are. by the way thats all craziness you got goin on in your airbox! holy cow you could make a nice Christmas sweater out of all that and give it to someone. sweeet!
 
GottaBeTRD said:
no no no K&N is fine for the drop in filter, I've had one in my civic for years never had a problem and i had one in my 4runner for a couple months until i bought the Volant But yeah they don't do much for adding power but i think i noticed mpg's goin up both times. Anyway... I'm not sure if it will fit in yours but i have a K&N drop-in for an 01, and im willing to sell it if your interested?? PM me if you are. by the way thats all craziness you got goin on in your airbox! holy cow you could make a nice Christmas sweater out of all that and give it to someone. sweeet!
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are they that expensive new that theres a huge bargain buying used? How Much?
 
theizzardking said:
you got a better idea for a high flow stock replacable filter?

i heard good things about amsoil......

(k&n's let too much dirt in) ((right?))
Click to expand...

Yes, any high flow filter will also allow more dirt into your engine. There's no way around it. Personally, I prefer to run paper filters.

If you want more performance from your engine in terms of air intake, then you need to get cooler air into the intake....
 
Dang! It's a wonder the engine was still running with a filter that bad. And you didn't have poor gas mileage?

Betcha your gas mileage gets better with a new filter... :wink2:
 
Don't forget to add some trans fluid to the power steering too! Good thing you went to the meet! K&N is fine. It's amazing how well a product works when instructions are followed. And more air would inherently result in more dirt assuming filtering capabilities are the same
 
JeremyH said:
Wrong. The only way to allow more air to pass through a filter is to open up the air passages. Doing so will also allow more dust particles into the intake.
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The filter is not more open, it's a completely different design. The paper in a K&N (or similar) is not used for filtering. The oil does the filtering. The cotton media is primarily for holding the oil. That is why they flow better, NOT because the holes are "wider".

How are you going to try to combat the most widely used, most popular and free flowing performance filter on the market?

Quoted from an independant test:
"The K&N air filter is somewhat more complex. The unique design features an oiled cotton fabric which holds airborne dirt particles. These dirt particles cling to the outside of the filter and actually become part of the filtering media. The cotton fabric is sandwiched between pleated aluminum screen. Pleating increases surface area which in turn promotes air flow and prolongs service intervals. Pleating exposes five times the surface area compared to a flat element like foam.

The dirt particles collected on the surface of a K&N element have very little effect on air flow because there are no small holes to clog. Particles are stopped by crisscrossed cotton fibers and held in suspension by the oil. As the filter begins to collect debris, an additional form of filter action begins to take place because air must first pass through the dirt particles trapped on the surface. That means the filtration efficiency of a K&N element actually increase as the filter collects dirt. Tests have shown a K&N E-1500 (most common domestic V8 element) filter will flow 60 percent of its maximum flow capacity after 50,000 miles of street use. And, considering a new K&N flows half again as much air as a comparable paper element, that same filter will provide all of the air the engine needs even after 50,000 miles.

Conversely, dirt trapped by a paper element will impregnate the fibers which will impede air flow at a proportional rate. In other words, performance decreases dramatically as a paper element gets dirty. At the service interval, say 14,000 miles, air flow through a paper element can decrease as much as 70 percent. The efficiency of K&N's oiled cotton gauze medium has been proven time and time again.
Some heavy trucks have logged over 100,000 miles with no loss in air flow as reported by the service technicians. Again this is due in part because a clean K&N filter will flow half again as much air as a comparable paper element.

A K&N will provide superior filtration without sacrificing air flow for a longer period of time - that's performance with value."
 
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