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Honda Pilot Key Housing
A replacement plastic body for a 2005 Honda Pilot Key, also works for other Honda VehiclesMaker/DIY
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Why spend $150 or more at the Honda Dealer to replace a flimsy key? 1.) Break apart old key and extract the metal key blade - if you need these parts, this likely already happened at the worst possible time... 2.) 3D print the above parts at 100% infill 3.) While it is printing (≈2 hours) trim/file/sand off the three little triangular protrusions from the transmitter body. They will interfere with the new housing. 4.) Insert the hex nuts into the back of Key Bottom. It is intentionally a tight fit. I used a soldering iron to heat the nut and melt it into place. 5.) Squeeze the metal key shank into the Key Bottom using a smooth-jaw vise. The shank of the key is also a tight fit to prevent any play. Apply loctite and install one 3mm long screw through the back into the threaded hole in the key shank. 6.) Install the transmitter and anti-theft chip into the Key Top, align with Key Bottom, and again squeeze together in a smooth-jaw vise until the two sides just touch - Do Not Crush! 7.) Apply loctite and install the remaining screws. The long screws go in the corners, the second 3mm long screw goes into the key from the top. Thanks to WLProduction, who had published the yellow printed key housing I used for a few months (found here: <a rel="nofollow" target="blank" href="http://www.thingiverse.com/thing:954099">http://www.thingiverse.com/thing:954099)
I redesigned the housing from scratch to make the panic button slightly below the surface, as I kept setting off the panic alarm. The two red housings were my prototypes, while I worked to get the fit just right. Also, if you have another Honda with a similar key that has the trunk button, follow the above assembly steps, but instead, print out the other part Key Top - With Trunk Button.STL I have included SolidWorks files, .STP files and .IGES files so you can open and modify in CAD.
Materials and methods
(1) Broken Honda Pilot Key, with working transmitter and anti-theft chip
(1) Key Top (print)
(1) Key Bottom (print)
(4) M2 x 8mm long screws - McMaster 91292A832 or 92000A015
(2) M2 x 3mm long screws - McMaster 91292A003 or 92000A010
(4) M2 Hex Nuts - McMaster 94150A305
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