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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7232
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Mon Jun 17, 2019 11:39 am    Post subject: PSE slow to respond Reply with quote

I noticed the other night that the PSE has become a bit slow to shut up on one side.

I assume either a problem with the vacuum pipe or the valve on the silencer.

Is either bit home-servicable, or is it another one for the list for the annual service?
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"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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kurlykris
Magny-Cours


Joined: 30 Jun 2014
Posts: 2546
Location: Warwickshire


PostPosted: Mon Jun 17, 2019 4:39 pm    Post subject: Reply with quote

If the actuators are actually moving, then I doubt there is a vacuum leak as they wouldn`t work at all if there was, I would give the moving parts a douse in WD40 to start off with and then keep operating them to work the oil in, don`t forget both ends of the flap hinge pins.
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SeeFourEsse
Newbie


Joined: 14 Dec 2018
Posts: 19
Location: Suffolk / Cambs


PostPosted: Mon Jun 17, 2019 4:44 pm    Post subject: Reply with quote

One of mine was seized when I first got it. You can just about reach up and touch the actuators to see if they are moveable.... try the good side first to get a point of reference and see how much effort it takes to operate one, it’s not much effort.

I got mine working by heat shrinking several WD40 straws together to make them long enough to reach, then a sparing application of gt85 where they actuate.

Usual rules around spraying anything near hot exhausts apply Thumb
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7450
Location: Brighton


PostPosted: Mon Jun 17, 2019 7:22 pm    Post subject: Reply with quote

As above .. one side is sticking ... vacuum leak stops both sides from working .
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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7232
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Mon Jun 17, 2019 9:14 pm    Post subject: Reply with quote

Thanks guys, I’ll have a go at it as you suggest Thumb
_________________
"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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Griffter
Spa-Francorchamps


Joined: 22 May 2016
Posts: 359



PostPosted: Tue Jun 18, 2019 5:41 am    Post subject: Reply with quote

SeeFourEsse wrote:
heat shrinking several WD40 straws together to make them long enough to reach


Genius!
 
  
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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7232
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Mon Oct 14, 2019 3:16 pm    Post subject: Reply with quote

To give a conclusion to this, I got under the car and tried wiggling the actuators about. The fault (perhaps unsurprisingly) was that the O/S actuator would not move.

The reason is that the mounting bolts on the actuator had rusted through, so it was rattling about in the bracket. Unless the rod/actuator is correctly aligned, it won't move. Hence sometimes, if it happened to be in the right place, it would work.

Now I just need to find a way of bodging a repair to hold it in place until I work out how on earth to get the actuator out of the bracket and replace it.
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"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7232
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Mon Oct 21, 2019 8:19 am    Post subject: Reply with quote

And finally...

Fixed this weekend with a new vacuum actuator.

I initially ordered an OE 997 actuator as it was half the price of the 996 one (but looked identical) but the delivery date was uncertain, so I ran with the Designtek one from Design911 for only £39. This is fine, but comes with no fasteners nor a ball joint. It also turned out that the rod is about 5mm shorter than the OE one, to the extent it won't be fully 'open' without modifications.

When we removed the old actuator the ball joint crumbled as it was corroded, and goodness knows where you'd get one of those separately. Luckily, a genius friend managed to weld up what remained of the ball joint to some nuts to not only repair it but also extend it sufficiently that it fitted.

Anyway, happy days, now all working perfectly Very Happy
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"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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