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Old 05-10-2014, 02:55 PM   #1
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Bumper Fail

I knew those extra bolts they sent me should've gone somewhere. Oh well at least I wasn't still on the highway.


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Old 05-10-2014, 03:06 PM   #2
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I do like the bumper though. What brand is it?

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Old 05-10-2014, 04:05 PM   #3
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Spider Krawler. I love the bumper too. Just wish it was still bolted on.
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Old 05-10-2014, 04:17 PM   #4
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So how did it fail? You just left off some bolts?
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Old 05-10-2014, 04:52 PM   #5
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bet that scared the crap outta ya when it happened.
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Old 05-10-2014, 05:02 PM   #6
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Did it bend anything when it fell or will you be able to just bolt it back on and be good? That sucks!!
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Old 05-10-2014, 05:19 PM   #7
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The right side required some drilling to line up the extra holes. I was lazy and assumed the two bolts were strong enough. It was dragging on the road like a boat anchor I thought my whole transmission fell off. Nothing appears to be bent so the only damage is the two bolts and a tiny scratch in the bed liner on the bumper.
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Old 05-10-2014, 07:06 PM   #8
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You need to have all 8 bolts holding that thing on your jeep and you may want to consider using frame tie ins. If the hardware supplied is cheap Chinese bolts id take the opportunity to replace them with legit grade 8 nuts and bolts. That tire adds significant weight--- be thankful that thing didn't take out a bus load of nuns in the process
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Old 05-11-2014, 08:58 AM   #9
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My ebay bumper did that only it was the mounting bracket welds that broke, they were still bolted to the frame. Fell off at 50mph on a one lane road. Spare tire still has the skid marks. Lesson learned don't cheap on tire carrier bumper.
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Old 05-11-2014, 09:11 AM   #10
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Some places send fully threaded bolts. For heavy weight items that exert force sideways of the bolt, it can create a shear point in the threads. Since they sent bolts for extra holes that need to be drilled, by not using those mount points also, it create more shear on the remaining bolts and cut right threw the bolts like a pair of scissors, because the bottom of the thread is smaller then the full bolt diameter.

Normally when i see fully threaded bolts for something heavy, i will try to replace them with ones that have a shank with no threads to go between the shear points to less the chance of cutting threw the bolt(unless it is something i may want to shear first before causing damage to the part it is attached to) and give me the full hole size diameter for increased strength.
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Old 05-11-2014, 05:40 PM   #11
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Fortunately you weren't pulling somebody or they weren't pulling you. They coulda ha your bumper in the front seat with them, or at least a new hood ornament.

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