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When you put a new thread up in the Workshop please put your car's year and model in the post subject/thread title, along with just a brief indicator of the problem.

Car Year - Car Model: Brief description of issue. EXAMPLE- 1999 9-3. Problems starting when hot.

Please also add as much information as you can about the problem, to your post.

This will help us to help you, without having to ask basic details such as what car you have.

Threads with non-compliant titles will be moved to The Pit Lane (in which no replies can be posted, but the OP can edit the thread - upon which the thread will be released to the workshop forum)

Nb. Generic thread titles for truly generic issues that genuinely are not model or variant specific (such as "how do I change the spring in an forge wastegate actuator") are acceptable

**The first 5 posts for new users require individual moderator approval (which they will only get it if they are in line the rules of the forum). Please be patient and allow time for that to happen, and avoid duplicate postings.**

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PostPosted: Thu Jun 20, 2019 12:09 pm 

Joined: Thu Jun 20, 2019 11:59 am
Posts: 1
Car Model: Saab 9-3 Aero
Hi Guys,
I've had my 07 9-3 Aero for about 4 months now and I'm loving it, however I've got a bit of a poo in pants kind of noise coming from my engine. There's a knocking noise between about 1500-2300 rpm when the cars stationary, I can't detect this noise under any kind of decent acceleration and it concerns me a bit. My searching has not yielded anything majorly conclusive. The noise is coming from the left hand side of the engine (if sitting in the drivers seat) and is most detectable when one is kneeling next to the passenger side front wheel. Curious as to your thoughts. I've attached a soundclip of this below; the phone is on the passenger wheel. ... 4v5XZ7oas0

PostPosted: Fri Jul 12, 2019 1:04 pm 
Active user

Joined: Mon Sep 21, 2015 6:14 pm
Posts: 37
Location: Maidstone, Kent
Car Model: 93AeroVertStg3+,93AeroStg1
As you mention that it's from the left side, it could very well be the Dual Mass Flywheel. However it could be that the big end bearings are failing. Very hard to say really, does it make the same noise when reving it with the clutch fully depressed?

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