Trunk pan replacement - Pontiac GTO Forum
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post #1 of 78 (permalink) Old 10-04-2007, 04:12 PM Thread Starter
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Trunk pan replacement

Long story short, looks like I might tackle the trunk pan replacement on my classic `65 GTO. A "friend" (who I`d like to deck if I see him) cut out the old pan and scab welded in a 7 piece kit. Problem was a blind folded 4yr old welding with his toes could have done a better job. He wrecked the new pan by cutting off the inner well lip. I ordered a new USA made kit and will probably install it myself. I have just a few questions for you body shop guys.
Looking at what`s left after I took the new wrecked floor pan out, I`m guessing I`m going to have to cut where I have the white dashed lines and drill holes in the replacement pans where the yellow circles are then fill the holes with weld?


I`m thinking I`ll have to cut off the rest of the trunk floor flange along the inner fender well....and drill holes in either the fender well or the new floor flange to weld together?


Also, how would a guy patch those lower inside inner fender wells?
Thanks for any responces.
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post #2 of 78 (permalink) Old 10-04-2007, 06:45 PM
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Also, how would a guy patch those lower inside inner fender wells?
Thanks for any responces.
The trunk brace has a lip that will cover most of the circled rusted area and attaches to the inner fender well. I had to replace both of my braces and I had the same problem as in your picture. The area that is marked on the other pictures, Is that the old trunk floor?

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post #3 of 78 (permalink) Old 10-04-2007, 08:36 PM Thread Starter
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Yes, those pieces I marked with the white dashes are parts of the original floor.
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post #4 of 78 (permalink) Old 10-05-2007, 08:59 AM
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Try a spot weld cutter to drill out the welds and remove the rest of the pan. I found this kit at Northern Tool.

Randy


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post #5 of 78 (permalink) Old 10-05-2007, 09:43 AM Thread Starter
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Try a spot weld cutter to drill out the welds and remove the rest of the pan. I found this kit at Northern Tool.
Thanks, I just ordered one from NAPA, should have it this afternoon. So then I`m going to be looking for spot welds along were I have the white dashed lines to drill out?
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post #6 of 78 (permalink) Old 10-05-2007, 06:28 PM
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Somewhere in that general area, the ones on my trunk brace were a dimple, I found a couple by running my finger across them.

Randy


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post #7 of 78 (permalink) Old 10-13-2007, 04:13 PM Thread Starter
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Okay I got the trunk panels going back in. What do I want to use on the bare sheet metal on both the under side and the inside of the trunk? And what do I use for the seam sealer or whatever they had on the edges??
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post #8 of 78 (permalink) Old 10-13-2007, 06:33 PM
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Here are some sealers and primers from Wurth USA;

http://www.wurthusa.com/project/en/l...id=4&vfile=../

Randy


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post #9 of 78 (permalink) Old 10-14-2007, 07:32 PM Thread Starter
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Lots of products there...
I was thinking some sort of etching primer and a rubberized undercoating underneath and the speckle paint over the primer inside. Wash it with some thinner first. Would a guy have to sand the primer before undercoating and speckle painting? And I know the seam sealer goes around the outside seams, but do I use it on the two seams of the three main sections?
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post #10 of 78 (permalink) Old 10-14-2007, 08:01 PM
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I would consider an epoxy sealer/primer for both side of the trunk, no need for sanding and seal all seams to keep the exhaust fumes out of the car.

Randy


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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Convertible Top, Interior, Glass and Trunk

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