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k722070 replied to k722070's topic in 9PA, 9PA1 (Cayenne, Cayenne S, Cayenne Turbo, Cayenne Turbo S)sorry no picture. not much to see, the hole is on the cavernous side of the air box bolted to the body. to take a picture I would have to remove that section which means disconnecting the snorkel, probably not a fun process. I had someone hold the throttle at 3k and I put my hand over the hole, there is air flow but no suction, probably because the snorkel moves so much air volume already. I've tried to find a parts diagram to see if this was just the new box as of 2008 but no luck.
when I changed the air filters on my 2008 Cayenne GTS I noticed an extra intake hole on top of each air box, about 3X5.5 inches with a thin piece of material stretched across. I can't imagine much air flow around this intake since its within the engine bay and protected by the plastic covers. but it is there and must serve a purpose. has anyone else seen this on their Cayenne? I didn't see these extra intake holes while viewing pics of S or Turbo models. any guesses on function? does the GTS need a little more air than the S model so they cut a hole on top of the air box? I've called a couple dealerships and nobody knows or cares.
thanks for the write up, and especially the tip about the plastic bag when removing the filter housing. well over a quart came out of the filter housing and it would have been messy. so, I changed the oil on my GTS today, as DUTCH points out the engine is the same as the Tanssyberia and has only one drain plug. my drain plug was pretty well buggered up(only dealer serviced so far!) so before trying to remove I stopped by the dealer for a new plug. one of the mechanics told me to pound in a 12 point bit to remove the drain plug, the 993 alternator shaft bit goes in nicely(10mm triple square from snap-on, item FTSM10E2). the mechanic indicated that stripping the drain plug was a normal issue. I'm not sure why they didn't just swap it out last time. anyway, the point of this post is that the mechanic confirmed what looked obvious on the new drain plug, it is an 8mm allen, not the T-50. its possible that the Transsyberia has the T-50, but also possible that after DUTCH removed the plug it was rounded enough to look like the T-50 should have been used. so for a GTS anyway, use the 8mm allen bolt.
expensive and time consuming list. maybe try some elimination first, check hoses and vacuum lines, make sure current plug wires are on snug... then start by changing the fuel filter which is easy. try cleaning the maf before buying new, I've read some people have been able to do clean it succesfully.