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PostPosted: Tue Aug 12, 2008 5:47 pm 
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Joined: Thu May 13, 2004 8:07 am
Posts: 82
Location: Malvern
For a while now I have noticed cracks in some welds near the top of the suspension struts on my 97 9000 Aero.

My recent Nurburging trip doesn't seem to have made these any bigger.

I need to work out what to do about them, they are a factor in the decision as to whether I keep the car.

On both sides, the cracks are set back from the suspension struts, in the area where the bonnet lift thingy is.

I welcome anybodys experience/advice on this problem.

Thanks

Image

Close ups of the driver's side cracks are below.

Image

Image


And on the passenger side.

Image

Image

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PostPosted: Tue Aug 12, 2008 7:56 pm 
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Saab / BMW dude
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Joined: Tue Jun 22, 2004 9:58 am
Posts: 15341
Location: Clackmannanshire Scotland
Car Model: 9000 3.0 V6
Have you checked to see if it is sealer and not welds.

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PostPosted: Tue Aug 12, 2008 8:02 pm 
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Joined: Thu May 13, 2004 8:07 am
Posts: 82
Location: Malvern
What exactly is sealer?

Looks like solidly welded metal to me, but am not sure if it is critical or not...

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PostPosted: Tue Aug 12, 2008 9:08 pm 
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Joined: Wed May 12, 2004 5:51 pm
Posts: 1774
Location: Herts, UK
Car Model: Not a Saab
Looks like the seam sealer has cracked, it happens...
Seam sealer just covers any welds to ensure water can't get in, and to protect from rusting.


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PostPosted: Tue Aug 12, 2008 9:33 pm 
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Joined: Sat Apr 23, 2005 6:13 pm
Posts: 26834
Location: Whitley Bay
Car Model: 96, C900, 9k, 9-3 & 9-5
Looks like the seam sealer to me too, but as Murphwiz says the sealer is there to protect the joint from rust, which it won't do if cracked.

The seam sealer will have hardened over the years, giving the car a good thrash round the 'ring will have probably caused sufficient body flex to crack the sealant.

I'd chip it out and replace it with new... and keep the car, obviously.

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PostPosted: Fri Aug 22, 2008 5:02 pm 
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Joined: Thu Sep 01, 2005 5:31 am
Posts: 4813
Location: Bucks
Car Model: Saab NG 9-5 Aero
Looks like sealant to me too. The car is eleven years old so it is hardly unusual for the sealant to become brittle. Being a '97 it will be a CS so the rear suspension mount cracking issue will not affect you, it was on the earlier cars. I haven't heard of cracking problems with the front suspension of the 9000.


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PostPosted: Sun Aug 24, 2008 10:19 am 
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Joined: Sun Apr 17, 2005 10:06 am
Posts: 1736
Location: Wirral Cheshire
Car Model: 9-3 Wagon Vector
Dig out the sealer and reapply- Saabs were still overengineered at this stage so the strength of the welding would be more than up to the job, alternatively worry like hell and sell it to me for scrap value and I,ll worry for you!! :P

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PostPosted: Sun Aug 24, 2008 8:17 pm 
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Joined: Wed Jul 27, 2005 12:57 am
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Location: Luckiest, felicitous, advantageous, adventitious, auspicious, beneficial, blessed, fortuitous fluky
Oh God sake man your paraniod! welds do not crack like your thinking, they have amazing tensile strength, a weld can have its bond broken but that is also unlikely.

Your seam filler has cracked is all, hell it may just be the dam paint, your a funny bugger :lol: what a thread I was expecting a story about a speed bump and triple figure speeding number :corn:

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PostPosted: Sun Aug 24, 2008 8:35 pm 
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Joined: Thu Sep 01, 2005 5:31 am
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Location: Bucks
Car Model: Saab NG 9-5 Aero
Succinctly put.


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PostPosted: Mon Aug 25, 2008 9:29 am 
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Saab / BMW dude
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Joined: Tue Jun 22, 2004 9:58 am
Posts: 15341
Location: Clackmannanshire Scotland
Car Model: 9000 3.0 V6
The poster did not know what the cracks were, he does now with the help of the forum, it is a learning curve, we can't all be born with the vast knowledge you must have been, if you don't know, you ask and you learn from the answers, if we were all to be chastised for asking questions, we would not learn. :roll:

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BMW 760Li 6.0 V12
C900 T16
735i SE
Jaguar XFR 585bhp
1972 95 V4
9000 Carlsson


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