Dilling holes in aluminum body panels - Defender Source
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Old March 22nd, 2008, 11:32 AM
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Christopher Giles
1997 D-90
Join Date: Dec 2007
Location: San Diego, CA
Posts: 74
Dilling holes in aluminum body panels


Quick question: I am going to mount my Troy Storage Boxes and Rover's North wingtop/bonnet protectors soon. This will require me to drill holes into the body panels and rear fender wells for the various fasteners. After I have drilled my holes, is there any particular prep steps I should take to protect the exposed metal before fastening things together.

Thanks in advance.

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Old March 22nd, 2008, 01:14 PM
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Chris Davis
94 NAS D90 6.2LS
Join Date: Nov 2003
Location: Colorado
Posts: 2,500
I would use mylar washers on the bolts next to the aluminum body--other than that, I did not. This is to protect from galvanic reaction. If you use steel bolts, the bolts usually rust--if you use stainless bolts, the body usually oxidizes. I suppose treating the exposed aluminum with some sort of paint is not a bad idea, but aluminum being as soft as it is, you can't expect it really do much (it will scratch off too easily).
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