1969 GMC Stepside SWB Tailgate Trunnion

[vweater2001]

Okay so I just got the poly trunnions from LMC for my truck per http://www.lmctruck.com/icatalog/cb/full.aspx?Page=33 item#4.

With that said, how do they go on? Does the bolt go on towards the bed/metal side of the side step panels or towards the inside of the tailgate? What am I missing here? Item came with poly trunnions 1 bolt & 1 lock washer. I just want to make sure I install them correctly and finally get my bed on correctly.

Thanks in advance guys!!

Mando

[RonG]

On my '69 short step the head of the trunion bolt is outboard threading into the trunion.

[swamp rat]

Without seeing a picture of the bed and tailgate, i guessing you slip the trunion into the tail gate, hold in place then run the bolt thru the bed into th trunion, not sure how ya hold the trunion to tighten

[vweater2001]

Originally Posted by swamp rat

Without seeing a picture of the bed and tailgate, i guessing you slip the trunion into the tail gate, hold in place then run the bolt thru the bed into th trunion, not sure how ya hold the trunion to tighten

do you know the size of the bolt I need as I don't have a bolt for either side? my bed doesn't have those trunnion cups where the trunnions would sit in like other trucks...is that normal and are they needed? I just want to make sure I bolt it up correctly and not lose my tailgate while driving.

[vweater2001]

Originally Posted by RonG

On my '69 short step the head of the trunion bolt is outboard threading into the trunion.

Ron,

so what holds the bolt once it goes through the trunnion? Is there supposed to be a nut on the other side of the bed or should the bolt be threading through the bed? I'm new to these trucks and have never had to fix these but want to make sure it's done right?

[In The Ten Ring]

I tried the poly trunnion from LMC back in 2003. WASTE OF MY MONEY. It wasn't the right size and I tossed it aside and went back to my original steel ones. They make lithium grease for a reason (mine squeaked badly was all).

[1966chevy]

1954-1987 Chevy GMC Truck Stepside Tailgate Hinge Trunnion "Patent pending"
Ultimate Hinge Trunnion (4 Piece Set) made of Stainless Steel/Delrin replacement part!
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I have a picture listed of the replacement trunnions that are zinc plated which will still rust on your truck. I also show the original trunnion that was removed and has rusted and made that awful sound while opening and closing the tailgate. You can reuse your bolts and lock washers, but would recommend you use stainless steel bolt and lock washer. Be sure to use an antilock lube when reinstalling your Trunnions, prevent bolt lock! Just remove the bolt with lock washer, replace with these stainless steel hinge trunnions and bolt back on your truck just in reverse of how you removed it from the truck.

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1954-1987 Chevrolet GMC Truck Stepside Tailgate Trunnion Hinge SET

[RonG]

Originally Posted by vweater2001

Ron,

so what holds the bolt once it goes through the trunnion? Is there supposed to be a nut on the other side of the bed or should the bolt be threading through the bed? I'm new to these trucks and have never had to fix these but want to make sure it's done right?

On my truck there is a slot in the trunion and a hole in the bottom of the tailgate. Line the slot up with the hole insert a screw driver to keep trunion from turning and screw the bolt into the internal threads of the trunion. Rong