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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 07-09-2007, 07:12 PM
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Default Hi-Lift Jack Front Bumper Mount

Been asked for this, so here goes:

Original idea was from a posting by PhilD showing a rear bumper mount for the H2. Since the rear bumper on the H3 is not friendly for this type of mount, I decided to try the front.

2-3?X5? X 3/16? STEEL
2-3?X3? X 3/16? STEEL (Used as spacers. If these were not used, it would cause the tow hook brackets to tighten unevenly, and could cause them to break. I believe they are cast steel. Just insurance.)
2-2X1/4? X 2? DIAM. PVC PIPE FITTINGS (Used as spacers to allow the jack to mount out past the vertical brush guard rails).
2-5?X1/2? STEEL BOLTS
4-1/2? NUTS
2-1/2? WING NUTS
6-1/2? LOCK WASHERS
4-2?DIAM. STEEL FLAT WASHERS
Misc. drill bits, tools, and paint.

All the metal cost me $5.00 at the local steel shop; they even cut it to specs for free. I drilled all the holes necessary to mount the steel.

The mounts, as well as the spacers are mounted under the front tow hook brackets. In my case, between the tow hook brackets and the front brush guard brackets. If you don?t have the front brush guard, the PVC pipe might not be required, or a small piece might be required.

MOUNT/SPACER:
I removed the tow hook mounts one at a time and measured they holes for the steel by aligning the steel to be even with the side of the tow hook mounts.
I then drilled a hole for the tow hook bracket bolt, and toward the top another hole for the Hi-Lift jack bolt that is used to attach the hi-lift jack.
For the spacers, I also measured, but there is a locating pin on the backside of the tow mount, and even though not used, I didn?t feel like cutting the locating pin off. So, the spacer sticks out a bit to the outside of the tow hook mount; not a big deal for me. Again, after the location of the hole was marked, I drilled the hole for the tow hook bracket bolt to go through.





Drill two small holes into the end of the Hi-Lift mounted bolts for locks, or for pins. A safety feature just in case the wing nuts back off and the jack falls. I drove around with the jack mounted on MI roads for a week. MI roads are worse than some of the off-road trails in Utah, so I figured this was a good test. The wing nuts, never back toward the locks I installed.

On the mount, I installed the 5? bolt, then one of the 2? diameter washers, then a lock washer and a bolt. After tightening the bolt, I then installed the PVC pipe, placing another 2? diameter washer over the end of the pipe, then a lock washer and then a bolt, and tightened. While doing the final tightening, align the PVC to the large flat washers to the edge of the washers meets the edge of the pipe.



I then painted the assembly, and mounted the mounts to the bumper and installed the Hi-Lift jack. Everything aligned perfectly. After installing the Hi-Lift to the mounts, I then tightened the tow hook mounting brackets to the required torque. When first installing the Hi-Lift to the mounts I left the mounts tight, but loose enough to move slightly to make sure the holes in the Hi-Lift aligned ok with the bolts.

The U-shaped brackets shown in the photos that the wing nuts are up against were from my 4XTRAC brackets from my old Jeep. They are not necessary, a large washer, then a lock washer, then the wing nut would be ok. I had them sitting on my shelf, so I used them.





Been driving around for over a week now on some of the worse roads in the Utah, and so far nothing has come loose.
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  #2  
Old 07-09-2007, 08:14 PM
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Default Re: Hi-Lift Jack Front Bumper Mount

Awesome. Thanks F5.
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Old 07-09-2007, 10:43 PM
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Default Re: Hi-Lift Jack Front Bumper Mount

Looks GR8 I liked the red jack in your other pic ,one of a kind mod
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Old 07-10-2007, 01:09 AM
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Default Re: Hi-Lift Jack Front Bumper Mount

sweet!
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Old 07-11-2007, 12:54 AM
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Default Re: Hi-Lift Jack Front Bumper Mount

Any pictures of the front end with the hi lift mounted?
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  #6  
Old 07-11-2007, 02:35 PM
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Default Re: Hi-Lift Jack Front Bumper Mount

theres some on this thread http://www.elcovaforums.com/forums/s...ad.php?t=28255
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