Seam Seal - between caul and fender, Before I paint |
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Seam Seal - between caul and fender, Before I paint |
ruby914 |
Aug 14 2018, 01:59 AM
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#1
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Senior Member Group: Members Posts: 720 Joined: 26-April 09 From: Hawthorne, Ca Member No.: 10,305 Region Association: None |
It looks like both front fenders were replaced at some time in my cars life.
I can't say they did a bad job but they never replaced the seam seal. Originally was there a bead of seam seal at the bottom of this gap between the caul and fender? The 3 mm gap narrows to about 1 mm at the bottom. I am thinking I should fill that 1 mm gap. The way it is now water can drip thru in areas. I am not sure if that is a good thing or bad. (IMG:style_emoticons/default/confused24.gif) Attached thumbnail(s) |
ruby914 |
Aug 15 2018, 02:27 AM
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#2
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Senior Member Group: Members Posts: 720 Joined: 26-April 09 From: Hawthorne, Ca Member No.: 10,305 Region Association: None |
I found this old thread.
http://www.914world.com/bbs2/index.php?showtopic=110572 The question was never fully answered, not even by Porsche. I have a feeling Porsche wanted excess water to drip down between the red and blue lines rather than be trapped under the fender to cowl seal. Problem is they seam sealed this weep hole shut from the bottom side, I think. This may have been a fix for more water than expected going down this path. I saw a photo of maybe a 911 that had a gutter to help channel the water under this seam. I am not sure yet how this will turn out but I an leaning toward Strawman Geoff's thinking. Strategic use of seam seal to fill the smaller gap. Not sure if I will keep a weep hole. Attached image(s) |
SirAndy |
Aug 15 2018, 10:35 AM
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#3
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Resident German Group: Admin Posts: 41,679 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
Problem is they seam sealed this weep hole shut from the bottom side I don't think this is a weep hole. On my car that part is brazed shut with what i assume is factory brazing. No hole there ... (IMG:style_emoticons/default/idea.gif) |
ruby914 |
Aug 15 2018, 11:44 AM
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#4
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Senior Member Group: Members Posts: 720 Joined: 26-April 09 From: Hawthorne, Ca Member No.: 10,305 Region Association: None |
Problem is they seam sealed this weep hole shut from the bottom side I don't think this is a weep hole. On my car that part is brazed shut with what i assume is factory brazing. No hole there ... (IMG:style_emoticons/default/idea.gif) Interesting. I just got back to my car and with out the ton of seam seal the joint really looks to function so water will not puddle under the rubber seal. My car is a 73. My car was not brazed but welded on the Aft end. Assuming my car is in no way factory work. Drivers side is very clean and and open up to the weld. So clean on the underside it looks like they didn't finish spot or tack welding it. The metal is set back so a weal weld is not possible. The passenger side, I put the epoxy primer in years ago, looks like it had one more tack weld. But still a clear path for water. With this I was steering back away from sealing water tight. It the words of Strawman "If memory serves, it was a factory goober/snot weld that tied those two pieces together... not a traditional pinch/spot weld." I came back to ask the world about the factory seam seal on the underside. If the seal is only below the horizontal pinch weld, water will pass thru. If seal is on top it, fills that passage. I looked at a 914 6 the other day. I think, it had seal top and bottom. But again, not factory work. SirAndy, yours is brazed front to back without the "ton" of seam seal on top of that? |
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