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starfield

Oil And Sponge In Air Filter Enclosure

16 posts in this topic

When checking the air filter today I found that there is a sponge on the side of the enclosure. At the bottom of it there was some oil. Apparently the sponge is used to soak the oil.

I have attached some pictures for illustration.

Does anybody know the purpose of having the oil and sponge in the air filter enclosure.

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post-13248-0-22440000-1364664230_thumb.j

post-13248-0-70948700-1364664248_thumb.j

Lenny likes this

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1st i have seen this or even heard of it. deffo dont think it has to be in there.

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its from the crankcase breather hose all the blow through from the crankcase is blown through the hose whre the clean air is pulled back into the air intake the oil vapour is left on the spongue without it the air filter would get covered in oil

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As above, and it looks quite normal - not soaking.

A new air filter 'should' come with a new sponge so it is changed periodically (they did on the mk1 anyway)

Lenny likes this

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When checking the air filter today I found that there is a sponge on the side of the enclosure. At the bottom of it there was some oil. Apparently the sponge is used to soak the oil.

I have attached some pictures for illustration.

Does anybody know the purpose of having the oil and sponge in the air filter enclosure.

My 2010 1.6TDCi focus air box has a slot like that in the corner of it,

No sponge in it but I did find a snail when upgrading the filter to a Green Cotton Performance.

Image2379.jpg

Image2390.jpg

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as stated, sponge is just to soak up the odd oil droplets in the vapour...not critical but useful...

not all aftermarket air filters come with sponges, but fords will.

Lenny,

you'd be amazed at sort of things i find in air boxes over the years.

bunch of keys, mice nests, squirrel nut hoards, various tools left by previous garages and so on...but the best one, a wallet containing 300 in cash which wasnt the car owners...i managed to track the owner from other bits and pieces in wallet which turned out was lost 9 months previously...if i wasnt honest, could have been a very profitable quick engine service ever :)

Lenny, Hell5200 and stef123 like this

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as stated, sponge is just to soak up the odd oil droplets in the vapour...not critical but useful...

not all aftermarket air filters come with sponges, but fords will.

Lenny,

you'd be amazed at sort of things i find in air boxes over the years.

bunch of keys, mice nests, squirrel nut hoards, various tools left by previous garages and so on...but the best one, a wallet containing 300 in cash which wasnt the car owners...i managed to track the owner from other bits and pieces in wallet which turned out was lost 9 months previously...if i wasnt honest, could have been a very profitable quick engine service ever :)

I have found a few bits of tools and allen keys before but a wallet with £300 in it?? who on earth can loose that in an airbox :lol: :lol:

Lenny likes this

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£300 in the airbox? Sounds like the engine was running a bit rich! I'll leave now :D

stef123 and JamesCosslett like this

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£300 in the airbox? Sounds like the engine was running a bit rich! I'll leave now :D

Groan!!!

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£300 in the airbox? Sounds like the engine was running a bit rich! I'll leave now :D

has he gone yet? :)

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£300 in the airbox? Sounds like the engine was running a bit rich! I'll leave now :D

Perhaps they saw this video on you-tube and though feeding the car money would correct the issue at the time lol

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Checked our air filter the other day...

130328_140546_zpse0e69d1b.jpg

Could be a reason it seems to 'hesitate' up to about 3000rpm?

Or could it be the bees?

130328_140605_zps61d8fbfb.jpg

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Personally, I wouldn't bee too sure :ph34r:

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worth changing to a Green Coton performance filter or K&N

The car will breath easier freerer and be slightly more fuel efficent.

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ha, that reminds me of another one..found the usual collection of bees and feathers, started picking them out only to find one was still alive and stung me....got no sympathy from the owner either, she was standing beside me at the time and just burst out laughing :)

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