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P911X50
Monza


Joined: 03 Jan 2017
Posts: 223
Location: Hertfordshire


PostPosted: Wed Apr 03, 2019 1:50 pm    Post subject: Fitting turbo actuators Reply with quote

Hi

It seems one of my actuators rods has broke. I have bought a set of Porsche actuators and I am considering fitting these myself. Is this a good idea or should I leave this to an Indy?

Thanks
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Porsche 996 Turbo X50 with 9e exhaust,
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Mac996t
Nürburgring


Joined: 26 Mar 2011
Posts: 482


2004 Porsche 996 Turbo

PostPosted: Wed Apr 03, 2019 4:29 pm    Post subject: Reply with quote

If you don’t have any corrosion issues then they are easy to fit however they also need to be set up correctly which requires a pressure tester.

The corrosion issues could be that the two mounting bolts may be seized into the turbo cover and may shear.
Another problem can be getting the rods out of the pivot on the wastegate arm.
The pipe to the actuator body is also a very tight fit.

Once you’ve managed to fit the actuators they need adjusting with a pressure pump so that with 0.5 bar applied the rods have moved by 4mm from the fully shut position, you achieve this by adjusting the nuts either side of the pivot and obviously both sides need to be exactly the same so each turbo does the same amount of work.

Also those settings are for a standard turbo, don’t know if an X50 is different!

Mac
 
  
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Mac996t
Nürburgring


Joined: 26 Mar 2011
Posts: 482


2004 Porsche 996 Turbo

PostPosted: Wed Apr 03, 2019 4:36 pm    Post subject: Reply with quote

Ps quite a few people have repaired their original ones by either welding a new bit of rod on or fitting a threaded collar!
 
  
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cheshire911
Estoril


Joined: 10 Jun 2012
Posts: 3807



PostPosted: Thu Apr 04, 2019 5:25 pm    Post subject: Re: Fitting turbo actuators Reply with quote

P911X50 wrote:
Hi

It seems one of my actuators rods has broke. I have bought a set of Porsche actuators and I am considering fitting these myself. Is this a good idea or should I leave this to an Indy?

Thanks


Personally, I'd have them fitted by an indy specialist. They require calibration, they are not the easiest for access without a ramp to stand under the car.
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sinky
Silverstone


Joined: 09 Aug 2014
Posts: 139
Location: Hampshire


PostPosted: Fri Apr 05, 2019 4:10 pm    Post subject: Reply with quote

Made this up when i replaced one of mine[/url]
 



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Pressure tester.jpg


  
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ok51mon
Hockenheim


Joined: 08 Oct 2014
Posts: 705



PostPosted: Thu Apr 18, 2019 7:20 am    Post subject: Reply with quote

Just buy a vacuum gun
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ok51mon
Hockenheim


Joined: 08 Oct 2014
Posts: 705



PostPosted: Thu Apr 18, 2019 10:13 am    Post subject: Reply with quote

Or borrow mine, providing you send it back Floor
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