 | Home > Maintenance & Modifications > Removing the heater drain bung. |
 
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971   
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Any reason why I shouldn't remove it? I'm talking about the rubber thing marked here in a picture from dorsetsmith
 Click image to enlarge The reason I ask is that when I've cleaned it out it seems to last less than a month before getting bunged up again. Removing it won't alter the amount of stuff flowing in to the engine bay, but will stop it backing up in the air inlet box. I think. Edit: I should add that it's actually been out already for a few weeks because I forgot to put it back in again. |
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4th Jul 2016 3:27pm |
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| mrd1990 Member Since: 16 Aug 2012 Location: Wales Posts: 600  
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I've had mine out for the past 2 years, haven't noticed downsides
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4th Jul 2016 4:21pm |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816  
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With a snow cover installed, nothing will enter that can block that rubber drain.
But I would like to check a similar rubber drain that seems to be installed above the gearbox somewhere as drain for the airco condensation, and I just cannot locate it when lying under the truck and try to find it... 
Eric You never actually own a Defender. You merely look after it for the next generation. http://youtu.be/yVRlSsJwD0o https://youtu.be/vmPr3oTHndg https://www.youtube.com/watch?v=_GtzTT9Pdl0 https://www.youtube.com/watch?v=ABqKPz28e6A https://www.youtube.com/watch?v=rLZ49Jce_n0 https://www.youtube.com/watch?v=XvAsz_ilQYU https://www.youtube.com/watch?v=K8tMHiX9lSw https://m.youtube.com/watch?v=dxwjPuHIV7I https://vimeo.com/201482507 https://www.youtube.com/watch?v=ZSixqL0iyHw |
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4th Jul 2016 6:27pm |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971
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So what's the point of it then?
If I'm driving along a really dusty track will it suck any more dust in? Might actually make it less dusty I guess! |
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4th Jul 2016 9:59pm |
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| driver9 Member Since: 15 Oct 2012 Location: Suffolk Posts: 111 
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I take mine out in the winter to help drain any water away and also helps to make the heater more efficient by allowing warm air to be sucked in from the engine bay. In the summer (if we have one) I put it back in place to reduce the air flow from the engine bay and make the air con more efficient. Probably a placebo effect but it works for me.
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5th Jul 2016 6:44am |
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| couplands Member Since: 31 Aug 2011 Location: Peak District & Cornwall Posts: 1826 
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I think it's purpose is to stop water being sucked in when wading in deep water, while letting after out that gets in from above. However, I think by the time the water is that high it will have come into the cab via the door seals etc... 
Cheers Simon |
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5th Jul 2016 7:03am |
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| gazman Member Since: 17 Aug 2015 Location: Liverpool Posts: 652 
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I run without one. Mine has never had one. 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r |
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5th Jul 2016 7:04pm |
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| JPE Member Since: 19 Nov 2018 Location: South West England Posts: 335 
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An old thread, but thank you. Windows were misting up at the weekend. I've just removed that bit of rubber and a lot of water came out. I'll leave it out now.
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18th Nov 2019 8:36pm |
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