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Harvster
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Joined: 08 Jan 2019
Posts: 50
Location: Derbyshire


PostPosted: Thu Jul 04, 2019 5:16 pm    Post subject: WANTED: 99611198501 or 99611198401 Reply with quote

One of my vacuum units on the sports exhaust mufflers (passenger side if it matters) has broken somehow. I wondered if anybody had replaced their PSE due to knackered boxes and still had the vacuum unit available???

Might be a long shot..!
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Porsche 911 996 4S 2003
 



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sp1ke
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Joined: 07 May 2009
Posts: 53



PostPosted: Fri Jul 05, 2019 9:24 am    Post subject: Reply with quote

might be worth investigating these to see if they fit & how much they'd cost:

https://www.cargraphicts.com/fileadmin/PDF/Exhaust-Flap.pdf
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996.2 C2
 
  
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Harvster
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Joined: 08 Jan 2019
Posts: 50
Location: Derbyshire


PostPosted: Fri Jul 05, 2019 9:29 am    Post subject: Reply with quote

Interesting, but they don't look like what is currently on. I wouldn't know where to start!
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Hertsdriver
Monza


Joined: 12 Nov 2018
Posts: 200
Location: Hertfordshire/London

2004 Porsche 997 Carrera 2

PostPosted: Fri Jul 05, 2019 9:40 am    Post subject: Reply with quote

How is yours broken? snapped rod? they can usually be repaired if so (welding back together, crude but effective). If the solenoid has gone then D911 have them:

https://www.design911.co.uk/fu/prod132326/Sport-Exhaust-Vacuum-Replacement-Unit-Porsche-996/

The 997 unit is cheaper and I cant imagine its much different (you might have to modify the shaft length maybe?

https://www.design911.co.uk/fu/prod126451/Porsche-997-Sport-Exhaust-Vacuum-Replacement-Unit-99711168000/
 
  
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Harvster
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Joined: 08 Jan 2019
Posts: 50
Location: Derbyshire


PostPosted: Fri Jul 05, 2019 9:58 am    Post subject: Reply with quote

Hertzdriver - I am not sure, I am doing some work on my PSE so currently have the bumper off etc. They are visible but it doesn't move on the switch like the drivers side one does. It is not snapped at the end that I can see (on the ball joint), can it snap at the other end?

I will just buy a replacement from design911 if necessary... but thought there must be somebody who has changed out their exhaust because of split seams etc. and might have one lying around...?
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Hertsdriver
Monza


Joined: 12 Nov 2018
Posts: 200
Location: Hertfordshire/London

2004 Porsche 997 Carrera 2

PostPosted: Fri Jul 05, 2019 11:50 am    Post subject: Reply with quote

Are you sure its just not been disconnected? a lot of people remove the clip so that its open all the time... the valves int he exhaust themselves do often stick, so the actuator might look like it isnt working but its just because the flap has rusted open or shut. I would remove the linkage from the actuator and see if the flap moves first, you can also then check the actuator works once its disconnected by pressing the button
 
  
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Harvster
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Joined: 08 Jan 2019
Posts: 50
Location: Derbyshire


PostPosted: Fri Jul 05, 2019 9:34 pm    Post subject: Reply with quote

Hertzdriver - Ok, I might need a bit of guidance with this then as you contradict what I thought....I’ll explain:

When the engine is off, I thought the “flaps” were closed. Once I start the engine the actuator on the right hand side opens automatically. If I press the PSE button on the dash the actuator moves to what I assumed was closing the flaps and quietening the exhaust. When the engine is turned off, it automatically closes up again.

Correct me if I’m wrong on this!

I can manually push both actuators with the engine off and it makes a pop sound so I don’t think anything is seized up...

I’m in no way mechanically minded so may be all completely wrong but would be happy to be guided!

Thank you.
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Harvster
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Joined: 08 Jan 2019
Posts: 50
Location: Derbyshire


PostPosted: Fri Jul 05, 2019 9:36 pm    Post subject: Reply with quote

I will add... when I bought the car the clip was unplugged. I re-attached it. If it was disconnected this would stop both from working thought wouldn’t it, not just the left side...?
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