Saab 9-5 rust prevention

If we talk today about a subject that would not really occupy us for several years, the Saab saga would have been different. Rostvorsorge for the young Saab 9-5 NG is of interest, after he is the (maybe) last big Saab from the Stallbacka.

Saab 9-5 NG in Saab center Bamberg
Saab 9-5 NG in Saab center Bamberg

For this reason, the 9-5 is a collector's item - right from the start. Many vehicles are in the hands of fans who want to drive their Swedes for as long as possible. The topic of Saab 9-5 NG and rust is needed, because the manufacturer has only done the bare minimum when it comes to rust protection. Probably the little miracle of even getting these vehicles on the streets was enough. More miracles ex works is probably not possible; we have to take care of rust prevention ourselves.

My Saab 9-5 BioPower limousine, first-in-hand for around 30 months in Gothenburg and the surrounding area, is an involuntary test object. In southern Sweden, an unpleasant salt-and-salt mixture releases the winter roads, with adverse effects on the subsoil and vehicle substance.

Swedish roads, an economically applied rust protection ex works, rust deposits on the vehicle parts and on the underbody are the result. Normally, nobody would care if new 9-5 continues to run off the tapes. But do not do it! The number of existing vehicles is limited, therefore, the objects of the Saab passion must be protected.

The rust prevention on 9-5 I leave in Saab center Bamberg carry out. Ralf Muckelbauer and his team have already preserved several vehicles for me, always to the fullest satisfaction. For the inventory, the attachments and wheel arches are dismantled, the subfloor is inspected. Cavities such as doors, trunk lids and beams are examined with the endoscope.

The result is due to the Swedish conditions, but looks more tragic in the pictures than it is. Of course you could continue the Saab without doing anything. Only at some point it will be really bad, and what is now surface rust, that will be bad caries in a few years. Since the Saab is somehow dear to my heart, we opt for the big operation to be able to travel for many years without fear of the brown plague.

After taking stock, in the second step the cover layers on the subfloor are removed, the vehicle is de-rusted and the exposed body parts are degreased. Then a double primer with rust converter, and it is applied a new topcoat.

Because the look also plays a role, the chassis parts and beams are painted black, the other body parts painted in the same color as the vehicle. In the next work process, the new underbody seal is applied, and wheel arches, support frames and chassis parts are also protected. Our Saab has underbody protection that couldn't be better.

The wheel arches on the Saab 9-5 NG are an issue in themselves and can be warmly recommended as a precautionary measure. An unfortunate crease between the sheet metal and the inner mudguard collects dirt and moisture, and with it the mudguards mutate to the classic candidate for perforation. The rear inner wings usually do not close tightly; There seems to have been an assembly problem. Water penetrates into the trunk. Whether the Saab is dense or not, can be found in an inspection of the spare wheel well. All these are problems of the small series, a short production phase, lack of facelift. Not bad, if you can react accordingly.

Back to rust prevention in Bamberg. We are almost there. This is followed by the cavity sealing of doors, beams and other cavities. The 9-5 is finally cleaned, rust will not be an issue so soon.

Is the 9-5 more prone to rust than other, comparable brands? I do not think so. My vehicle comes from Sweden, the local requirements are higher than in our region. Nevertheless, or maybe because of that, one could have assumed that Saab would invest more in rust protection. But this was not so. We should probably be grateful to Victor Muller for getting the Saab 9-5 into production in the first place.

Okay, okay, let's talk about money. For a week the Saab in Upper Franconia was what I think was a sensible investment. The inventory and the underbody sealing cost around € 600,00, the cavity sealing € 350,00. Rust removal, priming, painting, the really big program, depends on the effort. The prices vary depending on the state. It's not cheap.

But the extended rust prevention is definitely recommended if you want to use the 9-5 in the long term.

18 thoughts on "Saab 9-5 rust prevention"

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    We used a Swedish remedy - Dinitrol

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      Dinitrol has long since ceased to be Swedish and has been in German hands for a long time ... most recently, bought by the Würth Group about 3 years ago.

      If you are reluctant to spend the money on rust prevention, you can of course do it yourself. There are spray plans for the models and so is the material. You don't even need a stage for the cavities ... a Saturday is enough. A rental workshop with a stage would be ideal for the sub-floor. This saves a good 80% and if you make an effort, the result is not worse.
      Especially with older models, you get along well everywhere and must not be afraid to find under a disassembled disguise zig airbags or sensors. 901 and 9k are especially grateful in this regard.

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    Hi Tom,
    which agent from which manufacturer was used?

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      In the two previous vehicles Mike Sanders was used. With the 9-5 too, but not exclusively.

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        Are the subframes and axle beams for painting actually completely removed?

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          The question can answer the Saab center Bamberg, if one reads.

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    Hello Joachim, I always rinse after salt driving with a lot of water that helps.
    Maybe your 9-3II SC are better conserved, Tom writes that too.
    I would not have noticed the difference so drastically if the two were not next to each other on the shelf, but this gives you a direct comparison from below. My old 902 (165TKm) has so far only got cavity protection but no additional underbody protection, because there is still no brown plague to be seen. However, he only experienced the first five years with my predecessor Winter.

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    @GP382:
    I didn't have anything done with my 9-3 II SC and after 150.000 km from the Austrian. Auto club technicians get the answer “Like new. How many km does he have? " Maybe it's also because I send it to the car wash with an underbody wash immediately after a salt trip in winter ...

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    Unfortunately, I also have rust treatment done on our 9-3 SC by 12-2008. The weak point here are the parts near the air conditioning compressor.

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    Rust precaution is always good and should be done very early in my 900 always after purchasing a cavity preservation has paid off. For the 900 there was something like an exploded drawing because there were all points on it that could be sealed that was a big help. Unfortunately have not found comparable for the 9,3 SportCombi yet

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    Incidentally, I was recently in Bamberg and had new shock absorbers with level control installed in the 9-5 Aero OG. This was not yet available for the Aero when it was bought in 2007, but it is available today. Recommended for use as a towing vehicle.

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    Good hint. Whether the company also preserves old 901er?

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      Naturally. If I'm not mistaken, a 900 Turbo 16S “Last Run” is currently under restoration.

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    I had a new cavity seal performed on my 9-5 Aero OG in December. Rust was not an issue after 7.5 years and> 250 km, neither above nor below.
    However, the vehicle stank of solvent for 3 weeks. I always left it in the garage with the windows open. Now it's over.

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      In my former 9-5 Crombrille, always in the Rhine-Main area on the way, rust was actually not an issue. Nevertheless, prevention is always a good idea.

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    An absolutely important thing! Have we done at all SÄÄBen, pays off over the years!

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      In any case, ours also got the full program some years ago. The 9000er and the 902 are relatively easy in this respect, the 9-3I one must already keep in mind. Unfortunately GM has already saved more and more.
      In our winter hall next to my 902 convertible is an 9-3II convertible on the shelf, if you look at them from below, the 9-3II looks really old, the 902 after 18 years almost as new!

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        The 9-3 I was really saved, the result could be seen on our 9-3 Aero. Our everyday 9-3 II have not become conspicuous, with the 2011 newly purchased Saabbine we had shortly after the purchase at Muckelbauer again perform additional work. She still looks like new after almost 4 years.

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