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Old 01-28-2015, 11:58 AM   #1
Hummbusa
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Tailgate issues with new trunnions installed

I just replaced both trunnions on my tailgate and the gap is way off. it rubs bad on the right side. The right side tailgate also allows me to lift it up and down 1/2" to 1/2"....by this I mean play in the trunnion area. Any ideas on how to fix this or why the gaps are so different?
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Old 01-28-2015, 02:02 PM   #2
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Re: Tailgate issues with new trunnions installed

look inside where the "trunnions" sits (INSIDE THE TAILGATE) look for rust or anything that cause it to "bind" you may have to "MODIFY" your trunnions with a hammer...good luck....
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Old 01-28-2015, 02:05 PM   #3
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Re: Tailgate issues with new trunnions installed

Switch trunnions sides and see if that makes a difference.
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Old 01-28-2015, 02:06 PM   #4
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Re: Tailgate issues with new trunnions installed

Also, to align things correctly you may have to loosen all bolts on your bedsides and front panel to re-leave the bedsides. I used tie down straps cross-cornered to pull/move the bed side to align the gaps on that tailgate. Once I got the gaps good, I tightened everything up and removed the straps.
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Old 01-28-2015, 03:10 PM   #5
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Re: Tailgate issues with new trunnions installed

Quote:
Originally Posted by Palf70Step View Post
Also, to align things correctly you may have to loosen all bolts on your bedsides and front panel to require the bed. I used tie down straps cross-cornered to pull/move the bed side to align the gaps on that tailgate. Once I got the gaps good, I tightened everything up and removed the straps.
Bingo I think this is what is needed! Didn't even cross my mind but previous owner had bed off when restoring. Thanks for the responses
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Old 01-29-2015, 01:33 AM   #6
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Re: Tailgate issues with new trunnions installed

Something is seriously wrong with the hinge on the left. You should not be able to see that much of it.
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Old 01-29-2015, 07:38 AM   #7
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Re: Tailgate issues with new trunnions installed

The right one looks like it is sitting in a recess like it should. The left one looks like it is sitting out flush with the edge of the end cap. Take a look at both sides of the bed and they should look the same where the trunnions bolt in. Look to me like a repair was done on the left side and now the trunnion is not where it should be.
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Old 01-29-2015, 08:59 AM   #8
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Re: Tailgate issues with new trunnions installed

Ok I will look at that today...it does seem really exposed on the left side!
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Old 02-04-2015, 07:24 PM   #9
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Re: Tailgate issues with new trunnions installed

Look like some has done some work to the bed. It's not suposed to be exposed like that, there is a small lip that covers the hinge. Check and see if you have the lip still in place. That left rear back tail light piece could have been replaced and not correctly replaced, or the bed is badly tweaked.
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Old 02-04-2015, 07:26 PM   #10
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Re: Tailgate issues with new trunnions installed

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Last edited by ETsC10; 11-12-2015 at 09:47 PM.
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Old 06-01-2015, 09:11 PM   #11
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Re: Tailgate issues with new trunnions installed

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Old 10-01-2015, 12:59 PM   #12
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Re: Tailgate issues with new trunnions installed

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Last edited by ETsC10; 11-12-2015 at 10:04 PM.
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Old 11-12-2015, 07:01 PM   #13
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Re: Tailgate issues with new trunnions installed

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Old 11-12-2015, 08:08 PM   #14
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Re: Tailgate issues with new trunnions installed

it is a two man job. in my case one man and a woman. smartest helper i ever had. see's things i never would.
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Old 03-17-2016, 06:58 PM   #15
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Re: Tailgate issues with new trunnions installed

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Old 03-18-2016, 10:12 AM   #16
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Re: Tailgate issues with new trunnions installed

The trunnions should be mounted inside that side channel (just like your passenger side trunnion) and not be exposed like your driver side one. I also spent a lot of time hand fitting the tailgate joint with a die grinder and drum sander so that they fit and rotate smoothly around the trunnions (my aftermarket tailgate needed a lot of work).
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