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Old 15-05-2016   #16
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Re: 500 TA 0.9 air filter

In some cases, the oil mist coming from a K&N, ruined the delicate heat wires, used in maf sensors.
I found the fitment and sealing of K&N replacement panelfilters to be very poor in some of my cars, so I use quality paper filters instead for peace of mind, although I use K&N cone filters on my Ducati Bevel Twin, with 42mm carburetors.....
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Old 15-05-2016   #17
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Re: 500 TA 0.9 air filter

I've never used K+N, or any washable filter in a car,

but do realise that washing them will save money ( if not time)

as in my 30 'odd years with 2-stroke dirtbikes,washable foam filters were the norm,

in sand tracks you would fit a "skin" over the filter - like a stocking - to keep the sand out, and to prevent it coating the oiled exterior of the filter and reducing flow.

pro's and cons to both,
my old preference was for foam, as once "drowned-out" fording rivers @ 3 feet deep, you can physically wring out the water..so the filter can pass air again,

Charlie
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Old 15-05-2016   #18
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Re: 500 TA 0.9 air filter

Quote Originally Posted by frupi View Post
I use them because I service my own car and it saves me 12 a time replacing the paper filters.
I'm all in favour of saving money, but fitting something which passes 18 times more dirt into the engine to save 12 a service ... .

As I see it, there are two downsides to oiled panel filters, both of which are deal breakers for me:

- they don't work nearly as well at filtering (when compared to the best modern paper elements)

- oil mist coming off the panel could cause permanent sensor damage.

Performance doesn't even come into the equation.

And those test results I posted earlier would suggest that all paper filters are not created equal - this is one of those parts where I'd want to pay a little extra for a premium brand. Here in EU-land, MANN filters generally come out well in comparative testing, and are competitively priced.

What I don't get, however, is why just about every service part for the TA costs at least twice that of the equivalent part for the 1.2 .
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Last edited by jrkitching; 15-05-2016 at 09:33.
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Old 15-05-2016   #19
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Re: 500 TA 0.9 air filter

To be honest, I'm a little bit annoyed at this knocking K&N filters resusable filters and I don't even work or have any association with the company! Just because one forum member comes along and effectively rubbishes them, doesn't mean to say the filters aren't effective at what they do.

At the end of the day, it's a personal choice whether or not to use them. I've read some absolute rubbish about what might happen to the MAF sensor using a K&N filter and from my experience, it's absolute rubbish. I've inspected the MAF sensor in my Saab on several occasions, and it is just fine. If there have been any issues with MAF sensor failures allegedly caused by the use of a K&N filter, then I suspect it would undoubtedly be down to someone 'over oiling' the filter after servicing it. There are crystal clear instructions on how to clean and service a K&N filter and if one follows those instructions, I've found there aren't any problems.

I've never had an issue using them and I'll continue to use them. It's a personal option that I choose to exercise. If my personal option doesn't fit in with other folks thoughts/actions, then so be it. I don't want to fall out with anyone over it. I've done enough research myself to convince me that they're fine to use plus 9 years experience of actually using them in an everyday vehicle.

Nuff said from me!
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Old 15-05-2016   #20
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Re: 500 TA 0.9 air filter

Quote Originally Posted by frupi View Post
I've read some absolute rubbish about what might happen to the MAF sensor using a K&N filter and from my experience, it's absolute rubbish.
I don't know if that's rubbish or not, but the TA doesn't have a MAF sensor. What's not there, can't break!
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Old 16-05-2016   #21
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Quote Originally Posted by AGH1965 View Post
I don't know if that's rubbish or not, but the TA doesn't have a MAF sensor. What's not there, can't break!
Interesting so how does the ecu know how much air is flowing into the engine ? and determine how much fuel is needed, not saying you're wrong.
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Old 16-05-2016   #22
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Re: 500 TA 0.9 air filter

Quote Originally Posted by John202020 View Post
Interesting so how does the ecu know how much air is flowing into the engine ?
I assume by using the "speed-density" method.
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Old 17-05-2016   #23
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Re: 500 TA 0.9 air filter

....and using all kind of sensors and factory calculations.
My Alfa GT jtd uses the same Fiat diesel engine, altough at a higher state of HP tuning, like the Saab mentioned.
It is a very hard job to change the filter from beneeth the car, after removing all kind of parts.
But I insist in using a Bosch (made in Italy) paper filter, and cleaning the inside of the filterhousing every 20.000 km's.....after my experiences with other cars, I would never consider to use anything else.
But yes, each his own indeed.
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Old 17-05-2016   #24
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Re: 500 TA 0.9 air filter

....and using all kind of sensors and factory calculations.
My Alfa GT jtd uses the same Fiat diesel engine, with German Bosch injection parts, altough at a higher state of HP tuning, like the Saab mentioned.
It is a very hard job to change the filter from beneeth the car, after removing all kind of parts.
But I insist in using a Bosch (made in Italy) paper filter, and cleaning the inside of the filterhousing every 20.000 km's.....after my experiences with other cars, I would never consider to use anything else.
But yes, each his own indeed.
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Last edited by Peter Pick-Up; 17-05-2016 at 04:01.
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Old 17-05-2016   #25
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Re: 500 TA 0.9 air filter

Quote Originally Posted by Peter Pick-Up View Post
....
My Alfa GT jtd uses the same Fiat diesel engine, altough at a higher state of HP tuning, like the Saab mentioned.
It is a very hard job to change the filter from beneeth the car, after removing all kind of parts.......
Thankfully, the Saab and the Vauxhall/Opel Vectra and I'm assuming the same is for the Croma and Suzuki SX4, the air filter box is where it should be, completely accessible, on theleft hand side of the engine, so to swap out an air filter takes literally 5 minutes. Not sure why Alfa configured their system the way they did, but that just seems like a terrible faff to me.......
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Old 18-05-2016   #26
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Re: 500 TA 0.9 air filter

Quote Originally Posted by John202020 View Post
Interesting so how does the ecu know how much air is flowing into the engine ? and determine how much fuel is needed, not saying you're wrong.
I had a Honda City Turbo that used a MAP sensor (manifold absolute pressure).
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Old 18-05-2016   #27
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Re: 500 TA 0.9 air filter

Quote Originally Posted by frupi View Post
. Not sure why Alfa configured their system the way they did, but that just seems like a terrible faff to me.......
It's all about Power, Performance and Style....
No more, no less.
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Old 03-10-2016   #28
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Re: 500 TA 0.9 air filter

Just done our TA air filter.
.......... as well as an oil filter and oil change.

We've had the car two years at the end of this month. I was assured it had had a full service when we bought her. She's a 61plate September 2011 baby.

When I did the oil change last year, I checked on the air filter and it seemed ok, so didn't change it. Actually, it was dirty at the end where the air intake is, but that was only 25% of surface, the rest was fine, so I swapped it end-for-end.

This time, I knew I would need to renew it, so bought one in readiness from Shop4Parts 18.00.

I thought you'd all like to see the one I took out. If you look closely, you'll see how it has dirty areas diametrically opposite on the surface so you can see how the air intake has moved with respect to the surface. Anyway, I found it interesting, and I hope you all do to.

For the record, it's done 10,000miles in the two years.

Regards to all,
Mick.
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