 Rust stains in under the rubber seal for the front hood, I have heard baking soda will move it ? |
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| porschetub |
 May 22 2022, 06:18 PM
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#1
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Advanced Member  Group: Members Posts: 4,707 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None  |
Front trunk seal glued in after full repaint,and rust staining in some area's of the channel where no real rust is,how to remove in a passive way.
TIA,cheers. |
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Replies(1 - 8)
| SirAndy |
May 22 2022, 07:09 PM
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#2
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Resident German Group: Admin Posts: 41,688 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
The rust has to come from somewhere. Make sure it's not the car.
If it's not the car, my guess is that the seal probably has a metal lining that is rusting away. (IMG:style_emoticons/default/idea.gif) |
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| JeffBowlsby |
May 22 2022, 08:17 PM
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#3
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914 Wiring Harnesses Group: Members Posts: 8,548 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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Naval jelly?
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| 76-914 |
May 22 2022, 08:56 PM
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#4
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,513 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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That seal should only be glued in a few spots. Not along it's length as water will be trapped. Look closely at the channel and you'll see it is made from two pieces of angle that are spot welded together and the paint is the only thing protecting it from rust. (IMG:style_emoticons/default/sad.gif)
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| porschetub |
May 27 2022, 03:53 PM
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#5
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Advanced Member Group: Members Posts: 4,707 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(76-914 @ May 23 2022, 02:56 PM)  That seal should only be glued in a few spots. Not along it's length as water will be trapped. Look closely at the channel and you'll see it is made from two pieces of angle that are spot welded together and the paint is the only thing protecting it from rust. (IMG:style_emoticons/default/sad.gif) (IMG:style_emoticons/default/agree.gif) think I have found the source of the staining which is only in a few isolated area's,these areas still have small patches of contact glue under the fresh paint. I will treat these and prime the areas with high zinc and touch up with silver POR 15 which is actually a close match to my car. Bit of a shame Porsche couldn't be assed to put some paintable sealer in this channel....total rot trap (IMG:style_emoticons/default/mad.gif) . |
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| bkrantz |
May 27 2022, 08:45 PM
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#6
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914 Guru Group: Members Posts: 7,821 Joined: 3-August 19 From: SW Colorado Member No.: 23,343 Region Association: Rocky Mountains
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QUOTE(76-914 @ May 22 2022, 08:56 PM) That seal should only be glued in a few spots. Not along it's length as water will be trapped. Look closely at the channel and you'll see it is made from two pieces of angle that are spot welded together and the paint is the only thing protecting it from rust. (IMG:style_emoticons/default/sad.gif) Or not glued at all, so it can be removed to clean and check the channel. |
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| dhuckabay |
May 27 2022, 10:59 PM
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#7
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Member Group: Members Posts: 224 Joined: 14-June 20 From: Idaho Member No.: 24,379 Region Association: Pacific Northwest
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As to the original question. Baking soda will not remove rust. It is great for neutralizing battery acid spills. The naval jelly comment is right. You can also buy the cleaner for gun blueing. It has phosphoric acid that is great for surface rust.
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| peteinjp |
May 28 2022, 01:53 AM
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#8
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Member Group: Members Posts: 203 Joined: 15-July 21 From: Japan Member No.: 25,723 Region Association: None
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I have been dealing with rust stains and have found WD40 to work well enough for most of them.
Pete |
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| Shivers |
May 28 2022, 05:28 AM
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#9
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Senior Member Group: Members Posts: 2,453 Joined: 19-October 20 From: La Quinta, CA Member No.: 24,781 Region Association: Southern California |
I've been dealing with a rust stain on a head light surround. Bleach and vinegar, not mixed together, got most of it.
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