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Puma_MOG



Member Since: 08 Sep 2017
Location: Cheshire
Posts: 182

United Kingdom 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
Puma 2.2 Side Air Intake - drain hole?
Good day All,

I spent the day going over my 90 looking for anything that might need tending to. I removed the top wing covers, noticed a lot of water sitting in the ducting and cleared out the rubber vent thingy and gave it all a good cleaning in general.

I then popped off the side air intake vent as a decent amount of water would spill out after a wash or drive in the rain. I expected to find a blocked drain hole but doesn't seem to be one.

There is a decent amount of water just sitting in the ducting behind the side air take vent. Is this normal?

As always, thank you

Perry
Post #1044511 1st Sep 2024 7:48pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 498

United Kingdom 
If it's the standard plastic ducting that leads to the air box you are on about then there is a rubber mushroom valve fitted in the first chamber of that plastic ducting just after it leaves the wing mount fitting..it wouldn't be easily got at through the narrow spigot type fitting that joins it to the wing inlet and it's a right pain to remove the ducting to get at it..
Post #1044513 1st Sep 2024 8:23pm
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Puma_MOG



Member Since: 08 Sep 2017
Location: Cheshire
Posts: 182

United Kingdom 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
I shall look at that tomorrow as well.

The one I am speaking about is the side mounted inlet grille that just pops off. Once off, the housing staring at you collects water and just sits there. I'd say a good inch. Feeling around, I don't see a drain which seemed odd.
Post #1044517 1st Sep 2024 8:55pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17323

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
There is a drain in the centrifugal separator in the filter box and the whole length of the duct is riddled with leaks and gaps! It is really not engineering at its finest.
Post #1044518 1st Sep 2024 9:02pm
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Puma_MOG



Member Since: 08 Sep 2017
Location: Cheshire
Posts: 182

United Kingdom 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
Understood and thank you BW
Post #1044538 2nd Sep 2024 5:51am
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 498

United Kingdom 
I'll try and explain what I'm talking about with a few photos..👍
The intake system from wing to air box..


Click image to enlarge


The wing attachment which as you say if its sealed to the side of the wing properly will hold some water..
It joins the trunking and I've turned it upside down so you can see the drain built into the first chamber ..that would as I said be difficult to access from the wing attachment..(I have a rubber disc set into it.)


Click image to enlarge


Another picture of the air box drain bw has referred to that is built into the water separator configuration in the air box..(again sealed with a rubber disc)


Click image to enlarge


Again as black wolf has said its not a well sealed system relying on loose push fits, but none the less I had mine well sealed with the use of non setting mastic wiped around the joints and with the standard air box fitted gave me air flow readings that up to now are marginally better than a supposedly upgraded air intake system I'm running..
I digress..lol.. back to your water collecting at the wing air intake fitting..
It can only build up to the depth of the lip of the grill on the wing and I don't think at that level it can access the rest of the trunking..but if it does that's where the first drain is..
Failing that a small hole drilled in the wing fitting would allow water to drain but obviously allow water access to the trunking if you were in to that depth..
To end here's the non setting mastic I use to seal the standard trunking..
Works well if a bit messy to apply and does allow separation if you are taking it out..


Click image to enlarge
Post #1044540 2nd Sep 2024 6:25am
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Puma_MOG



Member Since: 08 Sep 2017
Location: Cheshire
Posts: 182

United Kingdom 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
Thank you Andy for taking the time to fully explain and with pics as well. It's greatly appreciated!
Post #1044553 2nd Sep 2024 10:08am
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