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Cayenne S - Spark Plug change

mail2neil
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mail2neil Member

mail2neil

Posted
Posted

Hi Guys

I have a LPG conversion on my 4.5 Cayeene S.

That means I need to change the sparks more often, and they are due now.

Porsche charge £300 a pop to change the sparks. :o

Can anyone recommend a garage near Marlow, Bucks that would do it a lot cheaper, and/or - does anyone out there have a 'how to' guide so I can do it myself?

Many Thanks in advance

Neil

  • 3 months later...
phollero Member

phollero

Posted
Posted (edited)
Here you go.

GENERAL SERVICE MANUAL

Post #2 has the service manual in .pdf format. The service manual has a step by step for the spark plug change out.

Hi,

Does anyone know what size is the triple square bolt for the stabilizer bar attached to the passenger side of the engine? I want to buy a triple square bit for it.

Edited by phollero
  • 1 month later...
voodoocat Member

voodoocat

Posted
Posted

I think it is M10. same as seat bolt (for battery change).

I used Denso Iridium stock gap, not Beru ($$$). No problems 6 months since I changed it; changed coil also.

When I changed coil as preventative measure, all 8 had hairline cracks.

Lastly removing the silver plastic cover on passenger side is challenging. Be patient or you'll scratch the (plastic) cover.

  • 2 months later...
pcst Member

pcst

Posted
Posted
When I changed coil as preventative measure, all 8 had hairline cracks.

Lastly removing the silver plastic cover on passenger side is challenging. Be patient or you'll scratch the (plastic) cover.

I wonder why these coils tend to crack like that,,, recently had 40k miles maintenance service and dealer found 2-3 of coils had a hairline cracks on them, replaced under warranty. I've owned numerous brand cars and never had a problem with crack coils...

I've heard you can prevent the silver plastic cover getting scratched by laying down the towel while removing 'em.

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