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My 2004 CS seems to be a little weak to get up & go since I got it last summer, but still much more power than the car it replaced. I wrote it off thinking, "it's not a turbo, so what do you expect?" I did the plugs and air filters in the fall, and replaced the valve cover gasket on the driver side where it leaked the most. Still no major differences, not that I expected any. Went out to buy some throttle body cleaner the other day, and on my way to the store I got a phone call which prompted me to turn off the climate control (click the fan speed down to 0, temperature display shows 'OFF'). On my drive home the Cayenne drove *totally* differently. Really ballsy on the pickup, tons of pull. A few days later, I realized the car was especially chilly / foggy, so I turned the climate control back on. Sure enough, she was sluggish again to get going! Anyone see this kind of thing before, and know what might be causing it? As far as I know, most cars "back off" on A/C and heat when the driver calls for acceleration, but that's definitely not happening here. Also, with the colder weather I'm not sure whether the Cayenne is engaging the A/C in addition to the heat. Any insight would be appreciated!
Thanks, that is incredibly helpful. Cheers!
Thanks, this is great! So you're suggesting that the valve cover should indeed go back on before installing this seal, correct? Also, do you recall if the installation tool applies pressure to the harder plastic ring on the outer edge of the seal, or is it snugged to the white cam adjuster, and applies pressure to the "inner ring" of the seal? That'll help guide what size socket I need to locate.
Nope! I'm referring to this: http://www.pelicanparts.com/More_Info/94810593400.htm?pn=948-105-934-00-M100
I'm about to perform the 2nd half of a valve cover gasket replacement on my '04 CS, and am still waiting on my cam adjuster seal to show up. It was a huge pain to get the old one out, and I presume it's going to be just as much a chore to get the new one into place. The tech manual suggests pressing it into place from the outside using a "centering tool" after you get the valve cover back on, but I don't have a source for one of those. I read somewhere that a sufficiently large socket should do the trick, but I'll likely have a tough time digging one up. If you've already completed this job, would you recommend installing the new seal while the cover's still accessible on both sides (i.e. off the engine), or is it going to be easier with the valve cover in place on the engine, even without the right tool on hand? Any tricks / gotchas would be appreciated. I almost skipped messing with this seal at all, however there were a bunch of cracks all around it and I am a "completionist" at heart… :) Oh, and don't believe the articles that say the left (driver side) valve cover is the same as removing the right side cover like the tech manual and Pelican article suggests. That damned wiring harness does NOT want to move out of the way unless you monkey with a whole bunch of other stuff at the same time. Ugh!