xc17pilot

Here's the picture, hope it helps...

Just did my 2014 Cayenne Diesel.  Was a breeze with the above info.  Thanks.  

Let me add a technique for getting the filter cover off - I used a pick and got it between the latch and the door and it popped right off.  Will try to post a picture, dont see that option in the "reply to this topic" window.

When I put my winter wheels with TPMS on the car (2007 997 C4S) a few weeks ago and tried to have the TPC "learn" the new sensors, it would stay in that mode and never turn off the warning in the instrument cluster. I brought the car back to the reputable indy tire shop (Porsche and other high end specialists) that installed my sensors and they went ahead and replaced them for free with brand new sensors. Now instead of the TPC Inactive/Learning warning I was getting no instrument cluster warnings and the tire pressures were not displaying any values, '--', at all four tires. It would stay like this for about 20 minutes then alarm "TPC Inactive" and I'd get the instrument warnings again. Each time I'd use the OBC TPC reset accessed via the steering wheel OBC selector lever on the left side of steering column.

With new sensors, I was planning to bring my car to the local Porsche dealer this week. Discouraged and while driving, I then had a thought to look through the PCM screens thinking maybe there was some other information available about the fault. I found by selecting the "NAVI" button and then the "SET" button I could see a screen with "Tire Change" as an option. Thinking there was nothing to lose, I went ahead and selected that option and another window came up with "Start Calibration for New Tires? Yes or No? I selected Yes then got another screen stating "Calibration Reset". Low and behold about 10 minutes after continuing to drive all 4 tire pressures showed up.

I've attached the sequence of events pictures, sorry a little shaky as I was driving while attempting this. I'm not sure if anyone else has tried this, I have searched several forums and could not find any write ups. It was a way to try a reset of the system without having to come to a complete stop and an alternate method to try a reset. Anyone know the details about selecting this method vs the steering wheel selector lever?

I know you said 'with RPMs constant', my dealer told me that at certain RPMs, the VarioCam Plus kicks in and ports oil to this system thus fluctuating oil pressure. You may just be seeing this.

I've just had the same problem - substantial amounts of oil in the passenger-side inter-cooler hose. There was so much oil that it started to appear in the intake tract and foul the mass airflow sensor, as well as start to saturate the air filter. Turned out to be a turbo bearing failure. Fortunately I had installed a magnetic drain plug in the turbo oil reservoirs so the flaking metal ended up attaching itself to this magnet rather than being distributed around the engine.

Although I only needed to replace the passenger side turbo, I replaced both turbos with a pair that I found on eBay (replaced after 8k with K24s) and the problem disappeared completely.

Thanks for your input. With my car I am still monitoring the oil consumption and will bring it back to the dealer with your added info. My consumption rate is about 500 miles per quart. The reasoning they gave me that I posted above still does not make sense and my CPO warranty is good another 2 months. In my opinion I probably have the same issue you had.

Any definitive way to prove this without taking the turbo apart?

Thanks.

I agree on it not making any sense -- if that were true then both passenger and driver side should have shown the same I would have thought. The passenger side turbo to IC hose was bone dry as I expected. I'll continue to seek out more explanation as this makes no sense mechanically that this is possible as the oil comes from the engine oil system and why would it "overflow" into the turbo to IC outlet? :huh:

Just got done talking with the dealer. Written on my paperwork is the following:

"The turbo oil collection tanks had excessive oil indicating that they have not been drained. This will cause oil to come out of turbo into hose. Some oil in hoses is normal operation."

Thanks for your replies. I feel better and will post an update after the dealer weighs in.

Here's the other side of the hose...this is after I wiped some of the oil off.

I'm a new 2002 996TT X50 owner and need a recommendation - I removed the ICs to change the spark plugs and in doing so found some oil in the turbo to IC hose on the drivers side. There was enough that it dripped out of the turbo when the hose was removed and the hose was coated in oil. The turbo to IC hose on the passenger side was dry. I don't think this is normal. The car has 7 months left on Porsche CPO warranty. I'm going to bring it in once the snow lets up, anyone ever have this issue? If so, how was it resolved, rebuild?

Thanks in advance.