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FZP
Estoril


Joined: 18 Jan 2015
Posts: 3922
Location: Cheshire


PostPosted: Thu Dec 12, 2019 3:50 pm    Post subject: Battery Vent Breather pipe Reply with quote

On the back of someone mentioning streaky windows, I thought I'd check the usual culprits and sure enough, there was muckment in them. Whilst I was snooping around, I came across a pipe that currently connected to nothing. If you refer to the picture below, would it be safe to assume that the pipe I'm holding, along with the red bung in the top of the battery should be connected?
I'm assuming it's a battery breather pipe of some description, but before I make good, I thought I'd ask. I'd had to poison myself because I assumed something incorrectly. It's hard to see on the pic, the hose is clear with a 90° fitment at the end.

TIA
FZP
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997.2 Carrera 2S GT Silver/Cocoa.
 



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Windy101
Spa-Francorchamps


Joined: 05 Jun 2015
Posts: 301



PostPosted: Thu Dec 12, 2019 4:50 pm    Post subject: Reply with quote

Pull out the red bung and attach the tube. Job done.
 
  
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stucart
Montreal


Joined: 24 Apr 2013
Posts: 565
Location: staffordshire 07 997 C4S


PostPosted: Thu Dec 12, 2019 4:51 pm    Post subject: Reply with quote

Yes that would be correct,(IMHO) think you might have to remove the Red bung and plug the elbow in, sure mine was like that, other side of battery probably has same thing.
OOOh its not a Porsche battery Very Happy
Stu.
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Now - Jaguar F-Type 2014 3.0 S Quickshift ,White/ Red interior (theme here!) Loving it .
Previously - 997 C4S Tip-S, 2007, Silver/Red and Black Leather, PSE, Sports Chrono, Turbo wheels.
 
  
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Porschekit
Österreich


Joined: 12 Aug 2014
Posts: 971
Location: North East UK


PostPosted: Thu Dec 12, 2019 5:17 pm    Post subject: Reply with quote

This takes me back Frank, it was my first question when I joined in 2014. The place where I bought the car had put a new battery on and hadn't connected that tube. I was into every orifice with it being my "new" car and was advised to connect the tube to the battery as per above..... Thumb
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FZP
Estoril


Joined: 18 Jan 2015
Posts: 3922
Location: Cheshire


PostPosted: Thu Dec 12, 2019 5:19 pm    Post subject: Reply with quote

stucart wrote:
Yes that would be correct,(IMHO) think you might have to remove the Red bung and plug the elbow in, sure mine was like that, other side of battery probably has same thing.
OOOh its not a Porsche battery Very Happy
Stu.

With my exhaust , non oe battery is the last of my illuminati problems Grin
Edit...thanks gents Thumb
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997.2 Carrera 2S GT Silver/Cocoa.
 
  
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brownspeed
Spa-Francorchamps


Joined: 09 Jun 2016
Posts: 305
Location: Gods favourite city-Manchester


PostPosted: Thu Dec 12, 2019 5:52 pm    Post subject: Reply with quote

What were the "usual culprits" affecting the windows Frank? Mine currently condenses more than the air con ones!!
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FZP
Estoril


Joined: 18 Jan 2015
Posts: 3922
Location: Cheshire


PostPosted: Thu Dec 12, 2019 6:04 pm    Post subject: Reply with quote

brownspeed wrote:
What were the "usual culprits" affecting the windows Frank? Mine currently condenses more than the air con ones!!

In, and around the battery, there are a number of drainage holes that clog up with decayed leaf matter. Imagine a bung that has a cow's teat hanging down. Clean that out and misting problems will go away. There was a these I found earlier this arvo that showed all the drainage points, I'll see if I can find it
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MattyR
Hockenheim


Joined: 21 Sep 2015
Posts: 697
Location: Somewhere Nr Tunbridge Wells, Kent


PostPosted: Thu Dec 12, 2019 11:17 pm    Post subject: Reply with quote

FZP wrote:
stucart wrote:
Yes that would be correct,(IMHO) think you might have to remove the Red bung and plug the elbow in, sure mine was like that, other side of battery probably has same thing.
OOOh its not a Porsche battery Very Happy
Stu.

With my exhaust , non oe battery is the last of my illuminati problems Grin
Edit...thanks gents Thumb


No illuminati on here mate, they hang around the 993 forum Grin
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HSC911
Long Beach


Joined: 23 Jul 2014
Posts: 6883
Location: Bedford


PostPosted: Thu Dec 12, 2019 11:58 pm    Post subject: Reply with quote

MattyR wrote:
No illuminati on here mate, they hang around the 993 forum Grin


You sure Rolling Eyes

Have you seen C11BRA's thread Dont know

Grin
 
  
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FZP
Estoril


Joined: 18 Jan 2015
Posts: 3922
Location: Cheshire


PostPosted: Fri Dec 13, 2019 6:53 am    Post subject: Reply with quote

Illuminati are everywhere
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997.2 Carrera 2S GT Silver/Cocoa.
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7721
Location: Brighton


PostPosted: Fri Dec 13, 2019 7:09 pm    Post subject: Reply with quote

When batterys are being charged they give off hydrogen gas .. this is explosive above certain concentrations .

The vent pipe allows this gas to exit under the car ..

This type of battery usually has a vent bung each side so perhaps the other side doesn't have the red bung fitted .

Not uncommon for them to not be fitted .

It's only a possible problem if a spark occurs there and that will only happen on disconnecting or reconnecting the battery and the battery is or has been charged to the point of a high concentration of gas has occurred in that area .


Many years ago i stupidly started welding too close to a battery on charge ( on a workbench ) , a spark from welding .. the battery blew up .. many bits of plastic in my arm and showered in battery acid .. it rots clothing pretty damn quick i can tell you.

there was also very little left of the battery .. no top to it at all and the sides blown out .

Basically .. it's pretty bad .. a spark and a gassing battery are bad .

Even to this day when i disconnect or reconnect a battery .... i have my eyes shut !

Connecting the vent pipe is not just OCD .. its a safety measure .



I'll just add .. when removing a battery or handling one .. keep it lvl .. don't allow it to hang at an angle ... i've seen one blow up when at a 45 degree angle .. low fluid exposed the plates on a cell .. debris in the cell shorted the plates and caused a spark .. very .. VERY rare but it can happen as i've seen it !!!
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