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Discussion Starter #1
Has anyone changed their air filter yet? Where is it and is it easy enough to do? Debating whether or not to replace air filter with stock vs. K&N. Anyone out there had positive results using a K&N filter? Will it mess up the sensor? ???

thanks :thumb:
 

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See your owners manual under the "Checking Things Under the Hood" section, specifically the engine compartment overview. Air cleaner is within housing toward drivers side of engine bay. Standard OE or after-market equivalent replacement filter will do just fine. I only ran a K&N filter on a '78 Monza Spyder (V8) that I used to have where I wanted to muster every last HP I could squeak out. So can't speak to its use on the Outlook engine.

As far as warranty purposes go, use of 3rd party products shouldn't void your warranty of themselves unless those products are proven to be the cause/fault.

Regards,
/BTV
 

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I put K&N filter in about 6 months ago never had any problems with maf sensor or any thing else. Last long trip I took with it I got 25.5 mpg and that was with 5 people and luggage I picked up about 1.5 mpg from last time I checked with stock filter. Alot of people don't like K&N I have had them in every vehicle I ever owned my last trunk was a chevy blazer it had 305,000 miles and still running the orginal engine, I put a k&N in at 10,000 miles. Just follow the proper cleaning and oiling procedures when it needs to be cleaned.
 

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zfiero said:
...Alot of people don't like K&N I have had them in every vehicle I ever owned my last trunk was a chevy blazer it had 305,000 miles and still running the orginal engine, I put a k&N in at 10,000 miles. Just follow the proper cleaning and oiling procedures when it needs to be cleaned.
The maintenance cleaning/oiling of the K&N filter is probably what holds people back from purchasing it despite any increases in HP or mileage.
 

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You hear alot of mixed reviews about K&N filters, I have used them in the past never had a issue with them. Like said above make sure their oiled right otherwise you can create your own problems.
 

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BigTallV said:
See your owners manual under the "Checking Things Under the Hood" section, specifically the engine compartment overview. Air cleaner is within housing toward drivers side of engine bay. Standard OE or after-market equivalent replacement filter will do just fine. I only ran a K&N filter on a '78 Monza Spyder (V8) that I used to have where I wanted to muster every last HP I could squeak out. So can't speak to its use on the Outlook engine.

As far as warranty purposes go, use of 3rd party products shouldn't void your warranty of themselves unless those products are proven to be the cause/fault.

Regards,
/BTV



I had a '79 Monza Sypder, loved the car, but it was a maintenance nightmare! Cool looking though, and fun. blue with black stripes/graphics. Cheers!
 

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AA/78U said:
The bolts are a "star" pattern, but I'm scrambling to remember the size

Check out this thread from the Acadia forum; I'm thinking you have the same size

http://www.acadiaforum.net/forum/index.php?topic=3038.msg38202#msg38202
Replacing the air filter is simple but some of the screws may be hard to get two. The size for the wrench is the torx t25 and if you can find one that is about 12 to 24 inches long it will save some hassle. I have a 8 inch one and it was hard to find a grip on the back screws. I went with the napa gold air filter and seems to be fine with no change to the gas mileage or performance.
Just a word of advice. You do not have to remove the screws from the air box cover. Just back the screws out enough to allow the cover to be pulled off and the screws will stay. You will reduce the risk of dropping the screws and it is easier to put the top back on when you are done.

Have a great labor day weekend


:cheers:
Will
 

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I ended up going with the K&N air filter replacement. I've used them in all my vehicles so I have no problem with taking time to clean them manually. Like was stated it was a Torx T25 bit. I went with removing all the screws completely. Unfortunately the Mass Air Sensor and the short hose between don't allow for too much movement so I went ahead and removed it all the way to just before the throttle body. you will need a slightly larger Torx T27 for the 2 bolts holding the MAS to the filter box lid. Very easy replacement process.
 

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Cris4029 said:
I ended up going with the K&N air filter replacement. I've used them in all my vehicles so I have no problem with taking time to clean them manually. Like was stated it was a Torx T25 bit. I went with removing all the screws completely. Unfortunately the Mass Air Sensor and the short hose between don't allow for too much movement so I went ahead and removed it all the way to just before the throttle body. you will need a slightly larger Torx T27 for the 2 bolts holding the MAS to the filter box lid. Very easy replacement process.
Is there much of a cost difference for a K&N vs AC Delco?
 

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I bought mine on ebay...
About $17-19 for AC delco.

Actually bought it from an ex 2007 Outlook owner. brand new in box.
Fit right in my 2010 Traverse.
 

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BigTallV said:
I only ran a K&N filter on a '78 Monza Spyder (V8) that I used to have where I wanted to muster every last HP I could squeak out.
cawarson said:
I had a '79 Monza Sypder, loved the car, but it was a maintenance nightmare! Cool looking though, and fun. blue with black stripes/graphics.
I had an '80 base Monza hatch and my sister had a '79 2+2, both 4 cyl. 4 speeds. Good looking and nimble handling, but absolute lemons. Poorly engineered and sloppily assembled. I miss mine though. ;D
 

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I went with a K&N direct replacement "panel style" filter until I got so tired of messing with those screws that I replaced the whole filter and box with a unit I bought from Ebay.
My airflow increased and shifting seems smoother.
 

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I have been using K&N Air filters for only about 15 years so far, and have had no problems with any of my 3 vehicles.. Yes they are a bit more expensive than the average OEM versions, but overall if you plan on keeping your vehicle for the longhaul, it is much more cost effective to purchase the k&N filter. The K&N part number is 33-2394 for the 2008 Outlook, i bought mine at autoanything.com for about $60 shipped to my house..
 

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Also on the last bit there, once you buy the filter you can also buy the re-charge & oil from your local AutoZone or Wal-Mart, the regular size aerosol oil can will work on average for 5-6 filters. I use to put alot of miles on my vehicles before my kids. All in all i have probably driven 475,000 miles on K&N filters.
 

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I've read that K&N filters mess with the MAF sensor and you'll get a CEL, dont know if it's just certain vehicles or what.
 

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I've read that K&N filters mess with the MAF sensor and you'll get a CEL, dont know if it's just certain vehicles or what

I've heard that regardless of what vehicle you might install a K&N filter in, you have to be very careful when you do maintenance on the filter. Maintenance includes backflushing after soaking it with a cleaner, and spraying it with an oil product. If you apply too much oil, it can be drawn into the intake system and coat the sensor. Once the sensor is coated, it will give abnormal readings and may set the CEL.

I had read on one of the Ford forums that Ford service departments were told to check for the use of a K&N filter and if found, to determine if the CEL was a result of that filter oil and deny any warranty work involving that system.
 

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ls973800 said:
I've read that K&N filters mess with the MAF sensor and you'll get a CEL, dont know if it's just certain vehicles or what

I had read on one of the Ford forums that Ford service departments were told to check for the use of a K&N filter and if found, to determine if the CEL was a result of that filter oil and deny any warranty work involving that system.
So you would almost have to install the OEM air filter again before you go in just to be safe?
 

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That's what many of them were doing, taking the K&N out before going in for service.
 
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