Cam position sensor help
 

I'm having trouble locating my cam position sensor. I have a Bentley which states I should be able to access them from the top of the engine, left front and right rear. I can't see either of them on my 2000 2.7. I've removed the air pump and hoses, and the top aos hose to help visibility. I still can't see them even with a mirror. Ii replaced the crank position sensor in about 10 minutes but I'm having trouble finding these. Anyone out there replaced these. Do I need to remove more things to access them?
Pics I've seen are such extreme close ups that I can't get my bearings. Seems
Like the right rear one may be hidden behind the aos. Any help greatly appreciated.

Thanks,

Garry

This is the Cayenne forum. Try posting in the Boxster forum.