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I will soon be addressing the rear windshield corner rust. It's been slowly growing over the years and want to address it now. Have any here had this issue and fixed it? How did it turn out? The body shop said that I will need to replace the rear windshield as it was most likely crack during the removal.
I will be fixing some other issues while there (replace clear side guards, refinish big reds) as well.
Curious...if any has had this issue and if there is any advice from your experience?
No specific advice on fixing the issue, but the rubber strip is just cosmetic. IIRC there is an early and a late rubber strip design - depending on which you have, it'll be difficult or easy to remove. IIRC the early strip locks into the plastic surround channel, so you have to stretch it longitudinally to remove it without tearing, whereas the later design is more of a push-fit, and easier to remove without tearing.
See page 4 of 4 of the below TSB.
Last edited by orangecurry; Feb 2, 2026 at 09:06 AM.
Hi Arrwin,
Here is my page on how to prevent ongoing corrosion and how to fix the rust spot without bodyshop work.
The first half of the page below discusses sealing against further corrosion.
The second half is about spot-fixing the paint to achieve a flawless repair.
Both are great DIY projects that are not difficult.
Also, some shops can perform spot repairs without repainting the entire window section. If at all possible, preserving the original paint will result in the most durable, best-matched repair and won't affect the vehicle's resale value.
Andy
I would remove the trim myself before taking it to any shop - that way it is slightly easier to see what is going on. The trim is cosmetic only - it does not prevent the ingress of water.
Originally Posted by Arrwin
Thank you sir!
I will pass it along to the shop. BTW....has anyone used Pino and RSR Autobody in Wyckoff, NJ? I've heard good things.
...the only thing I'd add, is that the 993 front and rear screens need to be put in by someone who knows old 911s, because more modern cars, which most shops deal with, have a much easier method of fitment.... the 993 has a bigger area between the metal apeture and the screen+plastic-surround.
It has to be centralised, and it has to have the correct depth of bed of sealant on which it sits.
So the bodyshop may be superb, but if they don't know old 911s the screen will almost certainly be fitted incorrectly.
Last edited by orangecurry; Feb 2, 2026 at 12:45 PM.
BTDT - twice in the front and twice in the rear during the 23 years I've owned the car. I heard the same disclaimer about rear window breakage. My rear window is original. YMMV.
Echoing orangecurry, my best advice is to work with a shop that uses 1) a glass expert (probably from the outside) and 2) someone who's worked successfully on glass for this and similar generation Porsches.
The gasket around my rear window, is simply a press fit in the channel. It is routinely removed, and the body channel cleaned and polished. Thankfully…not a spot, or bubble of rust front or rear on my 137k mile C4S.
Good luck with the repairs @Arrwin , glad to see you still have that AR beauty.
I would remove the trim myself before taking it to any shop - that way it is slightly easier to see what is going on. The trim is cosmetic only - it does not prevent the ingress of water.
...the only thing I'd add, is that the 993 front and rear screens need to be put in by someone who knows old 911s, because more modern cars, which most shops deal with, have a much easier method of fitment.... the 993 has a bigger area between the metal apeture and the screen+plastic-surround.
It has to be centralised, and it has to have the correct depth of bed of sealant on which it sits.
So the bodyshop may be superb, but if they don't know old 911s the screen will almost certainly be fitted incorrectly.
Rear Windshield Corner Rust
