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DFI Mechanical Vacuum Pump

daustinlucas
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daustinlucas Member

daustinlucas

Posted
Posted (edited)

Part# 94811005006

08 Cayenne S

It appears that my vacuum pump is only pulling 3/4 of the spec pressure, and there's some oil leaking around it. This may be causing a CEL with code P2404. So, I picked one up from my dealership this AM and plan to have a go at replacing it this weekend. I thought I'd start a thread for A) any advice or words of warning you might have on my way in and 2) an opportunity to document what I find, as I have haven't found any information on this task anywhere in the vast www. Wish me luck!

post-91587-0-61717800-1380912558_thumb.j

Edited by daustinlucas
EleCTriCT Member

EleCTriCT

Posted
Posted

cayennes are known to have vacuum pipes crack and leak on the pass side (USA) of the egine bay. Something to look out for, if you have a leak your pump will never pull enough vacuum.

daustinlucas Member

daustinlucas

Posted
  • Author
Posted

That wasn't quite as difficult as I feared. The parts diagram shows three torx attaching the pump to head. Mine were 8mm. I removed the plastics and pulled the hoses all to the side. From there, it was very difficult to access the bolts, but it was doable.

  • 1 year later...
bobo83 Member

bobo83

Posted
Posted (edited)

I know this is an old thread, but I just got a P2404 and was hoping that this piece needs to be replaced.

Edit: did this fix the error? What was the hardest part of this install?

Thanks! Chris

Edited by bobo83

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