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PostPosted: Thu May 17, 2018 1:02 pm 
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Joined: Mon Apr 16, 2018 3:19 pm
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Car Model: 2006 9-3 Aero Convertible
Hi,

I can hear something vibrating when the revs are above 2000rpm and its been driving me around the twist, today I located the sound but just wondered if anyone else had come across something similar and how they remidied it?

Its the black engine cover, in the picture below that section on the right is vibrating against something. Have I not got it secured properly do you think? All bolts are present, just wondering how to stop the vibration.

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Thank you


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PostPosted: Thu May 17, 2018 4:16 pm 
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Joined: Wed Apr 16, 2014 12:26 pm
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Location: South Oxfordshire
Car Model: 9-3ss Aero 2.0T; OG9-3 vert
Have you taken the cover off to check underneath?

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2003(53) 9-3 Aero 2.0T
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PostPosted: Thu May 17, 2018 4:24 pm 
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Car Model: 2006 9-3 Aero Convertible
Hello, yes had it off, couldn't see anything obvious as to why it should be vibrating, just seems to be knocking against something. Didn't know if it was a common issue or I just havent got the cover on properly.


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PostPosted: Thu May 17, 2018 6:36 pm 
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Car Model: 9-3ss Aero 2.0T; OG9-3 vert
Jonj1711 wrote:
Hello, yes had it off, couldn't see anything obvious as to why it should be vibrating, just seems to be knocking against something. Didn't know if it was a common issue or I just havent got the cover on properly.
Not a common issue. The noise goes away with the cover off if I understand correctly?

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2003(53) 9-3 Aero 2.0T
2002(51) 9-3 Vert auto 2.3 Stg5
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PostPosted: Thu May 17, 2018 6:46 pm 
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Car Model: 2006 9-3 Aero Convertible
Yes or just holding that bit of plastic. I will get a picture tomorrow to show whats there.


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PostPosted: Thu May 17, 2018 7:20 pm 
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Car Model: 2006 9-3 Aero Convertible
Its vibrating against the thing circled in red. Interestingly I can't see that part on other B207R engines I have looked at??

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PostPosted: Thu May 17, 2018 7:46 pm 
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Car Model: 2006 9-3 Aero Convertible
Looking at a couple of other pics of a B207R engine, I can see it now, but not in all. Either way its that its vibrating against. Does anyone know what it is or does?


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PostPosted: Thu May 17, 2018 11:29 pm 
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Location: Kent
Car Model: 9-3ss
Jonj1711 wrote:
Looking at a couple of other pics of a B207R engine, I can see it now, but not in all. Either way its that its vibrating against. Does anyone know what it is or does?

It's the mounting bracket for the atmospheric pressure sensor which appears to be absent on your car.

According to WIS, this sensor was only fitted to certain cars during MY04, mine being one of them and it is always inconveniently in the way when changing the oil filter!


Attachments:
AtmosPS.JPG
AtmosPS.JPG [ 72.87 KiB | Viewed 105 times ]

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PostPosted: Fri May 18, 2018 6:37 am 
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Car Model: 2006 9-3 Aero Convertible
Hello,

Many thanks! How strange, should I have one? Mine is a 2006 2.0 Converitble Aero.

There is no signs that anything has ever been there.


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PostPosted: Fri May 18, 2018 7:34 am 
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Joined: Wed Aug 14, 2013 10:27 pm
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Location: Bolton
Car Model: Saab 9-3 1.8t Vector Sport
Has one of the rubber grommets where it fixes at the front gone AWOL?


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PostPosted: Fri May 18, 2018 7:47 am 
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Car Model: 2006 9-3 Aero Convertible
Both grommets in place. I thought that my engine cover might be slightly off but its in the two grommets and screwed down correctly. Its more a frustration than anything else. I am already putting up with a whirring gearbox, last thing I want is to put up with another sound :)


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PostPosted: Fri May 18, 2018 8:04 am 
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Car Model: 2006 9-3 Aero Convertible
Aerobubble - Strange that they would leave the bracket there. Unless its used for something else its obsolete and I hope able to be removed? Would sort my vibrating problem out!


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PostPosted: Fri May 18, 2018 12:27 pm 
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Joined: Sun Mar 23, 2014 4:13 pm
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Location: Kent
Car Model: 9-3ss
Jonj1711,

That bracket does appear to be obsolete on your engine.

It's difficult to see on the terrible picture I posted yesterday, but on my car the sensor wiring is bound together with that for the inlet manfold absolute pressure sensor, which is on the left by the throttle body. Even if you did have the atmospheric pressure sensor at some point, your wiring in that area appears to be different/missing.

I would just go ahead and remove the bracket - what is the worst that can happen! :|

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PostPosted: Fri May 18, 2018 12:33 pm 
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Car Model: 2006 9-3 Aero Convertible
Indeed, as far as I can see its not doing any other job or supporting anything else. I will take it off over the weekend :)


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