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JFP in PA

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Posts posted by JFP in PA

  1. AOS= Air Oil Separator IMSB= Intermediate Shaft Bearing

    Porsche uses water pumps with impellers made of a synthetic material that starts to bread up over extended periods of time. Aftermarket pumps with metal impellers tend to be shorter lived and tear up the block with the impeller gets loose with wear. Stay with the OEM pump, change it and the coolant at least every 4-5 years. At the same time, change your thermostat to a 160F unit.

  2. I have to agree with Logray here, if there was a problem with the system, it would throw codes and cause running issues. And knowing how much replacement components cost, I wouldn't be randomly applying voltage to see what happens unless the system is already acting up and throwing codes, you may not like what happens next.............

  3. P1225-1230 are all "short to ground in wiring" codes for the fuel injectors by cylinder numbers, so I am not convinced it is a fuel pump issue.

    You can quickly check the fuel pump by following the factory test procedure for correct pressure and delivery volume by connecting a test gauge to the test port on the fuel rail; but the codes are going to require running electrical tests on the injectors and the injection wiring looking for a short to ground somewhere in the system...........

  4. After you select the vehicle, you should see a page that has a left panel that displays various control modules, if tire pressure is supported on that vehicle, it will be listed there. Click on the "+" symbol next to "tire pressure", and it should display what functions are available for the vehicle. If tire pressure is not listed for the vehicle you have selected, it is not supported in the software version that you have. On page 8 of the attached manual, you will see the list of modules supported on a 05-09 997, which shows the tire pressure function:

    http://www.durametric.com/Durametric_Software_Instruction_Manual.pdf

    Not all control modules, or individual module functions are supported for all models and years, each update seems to add more, but everything is not yet supported.................

  5. Watch which Pentosin, factory specs the CHF 11S (full synthetic) for these cars, and Pentosin tech literature states “If vehicle specifications state CHF 11.S there is no substitute, however, if vehicle specifications state CHF 7.1, CHF 11.S can be substituted.” Pentosin CHF 7.1 is mineral oil based. Pentosin CHF 202 should only be used in 2005 and later Cayennes.

    A handy Pentosin PDF application guide: http://pentosin.net/...GUIDE3_Rev1.pdf

    Most NAPA stores now carry Pentosin products................

  6. I was reading some of the other threads and they used a device to pump it out of the fill tube? Is that an option with these cars?

    Not really, there is too much stuff (baffles and air separators) in the way; there was a recent post where an owner tried to do this, could not get the hose down to the oil level, but did manage to get the hose stuck in the engine, requiring a flat bed to the shop where the sump cover was removed to get the hose out.

    If the engine is slightly overfilled, change the oil filter which will remove a bit less than a quart from the system. If it is way over filled, just drain it and start over again. In any case, do not run the car with excessive oil in it, it can get sucked backwards thru the AOS and smoke like Hell, or even lead to a hydro lock and a dead engine. Fix it..............

  7. If the PSM system is not cycled, a very tiny amount of old fluid may remain in the control unit, but even that will be flushed out by all the new fluid circulation in the system after a change out and normal usage. Just for a reference point, many dealer's do not cycle the PSM system during a system flush; it simply is not necessary unless air has gotten into the control network, and the amount of oil fluid it extracts is not meaningful.

    Near 60K would be a worthwhile time frame to do the water pump; which also provides a great opportunity to flush out the old coolant, up date to a 106F thermostat, and add the "S" oil cooler if the car is a base model (best $200 you can spend on these cars).

  8. Also since my car doesn't have the traction control I should be able to use the Motive Power Bleeder and get a complete brake flush.

    You can use the Motive system on any Porsche; activation of the ABS/PSM system is only needed if you have gotten air into the ABS/PSM control system..................

  9. A TSB does not necessarily compel an OEM to do anything or to repair a car free of charge, unless the system involved was already covered under a warranty, and the warranty on the vehicle is still valid. It is an announcement of a change or update in how something is to be done (e.g.: part # XXX is now superseded by part # YYY), it is not a recall, so the new part will not be installed until the old part needs to be replaced. If the vehicle is out of warranty, all the TSB does is change how they would go about fixing it, but the owner would still have to pay the going service rate plus parts

  10. there clean can do them up by hand so the surfaces are nicely together then torque them. my concern is that the feel very stiff to the point of if i move them up or down they will turn the crankshaft

    They should not be this tight, go back and recheck the rod and crank sizes as well as clean out the threaded areas.

  11. You need to carefully run a thread chaser through all threaded items, followed by a blast for clean compressed air to be sure the threaded areas are totally clean before any assembly is possible. If you have not done this, go back and do it, otherwise you will get all sorts of erroneous torque readings.

  12. then that is even tighter than what i'm doing them up and they are quite stiff already is that normal with new shells and bolts

    Yes, but it begs a question: Are you torquing them dry or lubed?

    Logray also has a point about checking the big ends for roundness after bench torquing them, as well as checking the crank.

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