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Home > Maintenance & Modifications > 5cm Diameter Hole in Chassis by Front Outrigger - Why?
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RichLech



Member Since: 09 Nov 2015
Location: West Sussex
Posts: 115

United Kingdom 2012 Defender 90 Puma 2.2 HT Keswick Green
5cm Diameter Hole in Chassis by Front Outrigger - Why?
I am preparing to Dinitrol my recently acquired 2012 90 in a few weeks and have been flushing the chassis out. There is a 5cm (approx.) hole in the outside of the chassis rail, under the front outrigger, approximately opposite the cross-member.

This hole seems ideally positioned to catch all the muck thrown up when the front wheel is on lock and I certainly found a lot of mud in the chassis in this area.

Does anyone know if there is a design reason for this hole?

Is it a good idea to seal it once the chassis is treated and if so, has anyone found a good way to do so?

Thanks for any advice.
Post #498520 31st Jan 2016 9:08am
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 1142

United Kingdom 
isnt that where the rear chassis loom enters the chassis?
Post #498588 31st Jan 2016 12:35pm
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RichLech



Member Since: 09 Nov 2015
Location: West Sussex
Posts: 115

United Kingdom 2012 Defender 90 Puma 2.2 HT Keswick Green
Thanks for the response. There is certainly no wiring loom using this hole on my chassis. There are similar holes in both chassis rails.

This morning while cleaning underneath I notice there are two near the rear cross-member as well (one in each chassis rail). These have also allowed a fair amount of mud to get inside the chassis.
Post #498622 31st Jan 2016 2:19pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

England 2004 Defender 110 Td5 CSW Bonatti Grey
If you wish to cover the holes you could clean around the holes with degreaser then apply duct tape over the holes and wax the whole chassis covering the tape too. I personally would leave the holes open, clean them out, wax inside the chassis and leave them so any water that gets in the chassis can run out again easily. Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #498632 31st Jan 2016 2:45pm
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