Whats the piece sponge for?

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upnorth
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Whats the piece sponge for?

Post by upnorth » 09 Jun 2019, 21:30

About to do my first service on my 308 (130/1.2 Puretech) - haven't pulled the car to bits yet so it might be obvious when I have - this is in anticipation...
Where does the piece of sponge fit? (or is it for mopping your brow after having to remove half the car to get the air filter in? :-D )
Image

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GiveMeABreak
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Re: Whats the piece sponge for?

Post by GiveMeABreak » 09 Jun 2019, 23:24

It definitely seems part of the filter, so don't chuck it away just yet!
308 Air Filter.PNG

moizeau
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Re: Whats the piece sponge for?

Post by moizeau » 10 Jun 2019, 07:24

Looks like a pre-filter, though I've never seen one in the flesh.

Hell Razor5543
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Re: Whats the piece sponge for?

Post by Hell Razor5543 » 10 Jun 2019, 07:27

I have had, on a few occasions, ait filters with sponge stuck onto them.

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Skull
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Re: Whats the piece sponge for?

Post by Skull » 10 Jun 2019, 15:48

Maybe just a support :?:

MikeT
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Re: Whats the piece sponge for?

Post by MikeT » 10 Jun 2019, 17:19

For the crankcase breather perhaps?

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bobins
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Re: Whats the piece sponge for?

Post by bobins » 12 Jun 2019, 17:48

I'd guess it's a pre-filter. The genuine air filters for the C5 X7 have 'sponge' bonded to the face of the filter material - this can help to extend the service life of the air filters as it filters out more coarse material. I'd suspect there's a place in the air filter housing for that sponge in your photo to fit.

admiral51
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Re: Whats the piece sponge for?

Post by admiral51 » 12 Jun 2019, 18:10

Maybe a manufacturing cock up and cheaper to produce a bit of foam than redo the housing :)

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white exec
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Re: Whats the piece sponge for?

Post by white exec » 12 Jun 2019, 19:37

Something to damp an unwanted vibration?? #-o
Maybe someone could ask next time they go into a PSA service centre...

moizeau
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Re: Whats the piece sponge for?

Post by moizeau » 12 Jun 2019, 19:53

And the riddle goes around and around.....
Last edited by myglaren on 12 Jun 2019, 20:53, edited 1 time in total.
Reason: YouTube tags