Hi everyone!

I have a 2003 Saab 9-5 2.2 TiD sedan, and I've discovered some pretty bad rust in the trunk.

This post is semi connected to this one: https://www.reddit.com/r/saab/comments/1xcspb1/water_leak_inside_trunk/

Here I am discussing the rust and how to repair it.

I originally started removing some upholstery after I could see rust when lifting the trunk floor. After removing the trunk upholstery, I found wet material, dirt and mud, along with extensive rust. Some areas have rusted completely through the metal, leaving actual holes.

The passenger side has rust too, but it's not nearly as bad as driver side (yet) and has no holes. I applied rust converter in drivers side. In videos not applied to wheel arch but now I did it and in weekend I can show more pictures.

I've attached photos showing the damage from different angles.

I'd appreciate some advice on the best way to repair this properly and prevent it from coming back. Is the correct approach to cut away all the rusted metal and weld in new sheet metal? I'd prefer to do a proper, lasting repair rather than just cover the holes. Any advice, especially from people who have repaired similar rust on a Saab 9-5, would be greatly appreciated!

Thanks in advance for advice!

Images/videos in google drive because reddit does not allow me to upload them all at once: https://drive.google.com/drive/folders/1rZBRTCcRRK3oZ1sKqM3DzPuhL0W_SDqH?usp=sharing

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2006 9-3 turbo 2.0 L wagon

Hi everyone!

I recently bought a 2003 Saab 9-5 2.2 TiD diesel sedan. While inspecting some rust in the trunk, I discovered a water leak on the left side.

After removing the trunk upholstery, I found that it was wet and there was a surprising amount of dirt and mud behind it (cleaned most of it but you can see the dust/dry mud in one video). It looks like water has been getting in for a while. The water also seems to be dripping down from somewhere above. I cleaned the rust places in order to use rust converter. A week later I came back and found water.

One thing I noticed is that the antenna seal looks damaged, so that could be a possible source, but I'm not sure how the water would travel from there to the left side of the trunk and so far I believe it is not the cause. Right side is not wet put right side upholstery was wet and there are also signs that water may have been tripping there too.

What I've found so far:

• Water leaking into the left side of the trunk.
• Wet upholstery and dry mud behind it.
• Rust in the trunk area. (I will make another thread about it, more info at the end)
• A potentially damaged antenna seal.
• The water seems to be coming from somewhere above.

I've attached photos and videos showing the damage and what I found behind the upholstery.

What could be the issues and what should I check? I will respond to comments and reply.

Thanks in advance for the help!

I also made another post into this subreddit about the damage this leak(s) seems to have caused (rust). https://www.reddit.com/r/saab/comments/1xcszpb/rust_on_2003_saab_95/

Images/videos in google drive because reddit does not allow me to upload them all: https://drive.google.com/drive/folders/1rZBRTCcRRK3oZ1sKqM3DzPuhL0W_SDqH?usp=sharing

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