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Doug_B_928
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Resurrecting this thread. To clarify, using the method of removal described in this write-up, one does not need to compress the spring until it's out of the car?
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I can't tell the size from the pictures but I wonder if these are orings from a compression/leakdown tester that fell off when removing the tool...
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If it were me, now that the car has been driven a bit sans mystery o-ring, I'd pull the plug and inspect it to see if it has any significant amount of oil on it as per JFP's photo.
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Oh, got it. Sorry, I looked and I don’t have those values.
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For the first gen Cayenne, engine torque support bracket bolt that’s accessed through the headlight opening is 44ftlb and the other bolt that is accessed in the engine compartment is 37 ftlb plus 90 degrees.
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I sympathize with the OP. I recall several posts on forums over the years where someone changed the ATF and then had problems with the transmission. Based on the information provided, they did not appear to have problems prior to the fluid change. I recently asked a BMW service advisor this question re my 11 year old 335 (~55,000 miles) and he advised to leave it alone for this same reason...
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I had mine (2008 S) replaced by the dealer under warranty. I recall they said they had to remove quite a bit of the interior on the back side to get the job done.
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Search is your friend. One time I hit the rev limiter by waiting a fraction too long to upshift. Upon arriving home I immediately checked for overrevs and there were ignitions in ranges 1 and 2.
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Turns out the dealership had left the line loose that goes from the vacuum pump to the intake (it was loose on the intake side).
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Interesting, thanks.
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Thanks, JFP. I put my mity vac on it with an attachment that fit inside the inner diameter of gas cap. I put pressure on it and it didn't hold, but I'm also not sure that this is the correct location to be testing. Is this the kind of equipment and test to which you were alluding?
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I'm having this fault in my 2008 Cayenne S, with the addition that Durametric says under the fault "No signal/communication." Is there a way to check the integrity of the gas cap, or do people tend to just replace it to see (it's about $40 CAD at the dealer)? Also, I had the car at the dealership about a month ago where they changed the injectors. Are any of the items in the list above under or near the intake such that this could be cause by something that the mechanic left loose?
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Update: All 8 injectors have been replaced. I've put over 300 kms on the car and it is idling perfectly. So, it would appear at this point that the injectors were, indeed, the issue.... time will tell for sure, but so far so god :).
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Yep, and, if the injectors (which I am still awaiting) don't fix it (unlikely) then the problem is probably one or more lifters stuck in the high lift position. BTW, where is the best place to get new lifters for a 2008 Cayenne S? I'm not finding them at the usual online suppliers (Pelican, ECS, Suncoast, Autopartsway).
