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Help with Bed Rail install, please!

Setec641A

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I'm installing the bed rail system, however the Riv-Nuts that go in the rear (On either side of tailgate are just spinning, rather than expanding and tightening. How can I fix this? Thank you very much!
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Setec641A

Setec641A

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Disregard. I found that the plastic end pieces that these bolt into, provide ZERO structural support, so they're not needed. I installed the bed rails just fine without them.
 
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Setec641A

Setec641A

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FYI - If you buy the "DicMic" version of this rail system on Amazon, as I did, be warned that there is no tool included to expand the Riv-nuts. You'll have to go to your local hardware store to pick one up. I was under the impression that they would stay put as I turned the bolt into them. This was the failure point. Now I know a bit more about Riv-nuts, lol. Otherwise, this is a great version of the rail system. Other than one of the end caps being broken upon arrival, the fit and finish are superb, and the black painted bolts are a nice touch and give it a nice OEM, finished look.
 
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sheath

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I bought a rail kit off eBay. Just came the other day, and installed yesterday.
$100 delivered (before tax) with the coupon seemed a reasonable price, and the quality is pretty decent.
eBay Rail kit
I removed the tail lights and used a 1/4" drive deep socket with a 3" extension and ratchet to hold the rivet-nut in place. Then screwed in a long 6mm-1.0 bolt with a nut and two washers between the rivet-nut, and the nut that was threaded on the bolt.
Put some high content molly paste between the two washers, then cranked down on the nut to get the rivet-nut to expand.
A bit fidley, but worked for me. The proper tool would have been much easier.
Hth,

Scott
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