Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

How often do you change the air filter?

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Old Oct 27, 2004 | 11:28 AM
  #1  
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How often do you change the air filter?

^^^
Are you suppose to change it every 15k or 30k? Or how about when you go off roading in the dirt from time to time.
Old Oct 27, 2004 | 12:42 PM
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I just change mine everytime I change my oil. Although I know that's not the "correct" change interval.

Jason
Old Oct 27, 2004 | 01:01 PM
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if you do change it at every oil change, can i have your old air filters?
Old Oct 27, 2004 | 01:24 PM
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For me the rule of thumb is 15k miles.

But recently after about 12k miles the thing was looking filthy so I changed it.
FYI, I did notice a difference in performance and turbo response afterwards.
Old Oct 27, 2004 | 06:43 PM
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Originally Posted by WindingRoad
if you do change it at every oil change, can i have your old air filters?

i'll take every other filter.



oil change is supposed to be done around 3k mile



air filters are supposed to be changed every 15k.
Old Oct 27, 2004 | 07:09 PM
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The maintenance booklet that came with my car recommends you change it every 30k but I still check it at every oil change after 15k.
Old Oct 27, 2004 | 07:40 PM
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i do it at 30k
Old Oct 27, 2004 | 10:38 PM
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Originally Posted by WindingRoad
if you do change it at every oil change, can i have your old air filters?

They are yours for $2, but ya gotta come pick them up.


Jason
Old Oct 27, 2004 | 10:51 PM
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ok. i'll probably pm you around thanksgiving
Old Oct 27, 2004 | 11:11 PM
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I change mines when it is dirty. Intervals are only a baseline to go by, but nothing beats inspection with your own personal time.
Old Oct 28, 2004 | 11:51 AM
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Originally Posted by WindingRoad
ok. i'll probably pm you around thanksgiving

I'll have to let you know when I do my next oil change, becasue I just recently did it and I tossed the filter out so you are gonna have to wait till I drive another 2K miles for me to have another filter.


Jason
Old Oct 29, 2004 | 01:01 PM
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Originally Posted by Wrxneffect
I just change mine everytime I change my oil.

Jason
I change mine every other oil change.
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