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JFP in PA

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Everything posted by JFP in PA

  1. JFP in PA
    A photo would be very helpful.
  2. JFP in PA
    It is not at all unusual for most of the highway noise in these cars to be related to the tires.
  3. JFP in PA
    A lot, for a simple reason: All HID headlight cars made in Europe are required to have an automatic headlight leveling system that detects when the car's riding attitude has changed (like if someone is sitting the back seat, or some cargo is in a normally empty rear trunk) and automatically changes the level of the headlight beam's upper cut off to prevent blinding oncoming drivers. All Porsche's with factory installed Litronic headlights have this feature, and it is a common source of headlight related error codes when the system loses one or more of the sensors (there is one at each wheel). The system is routed through the DME and the "on the fly" adjustments are usually subtle enough that the driver does not even notice it during normal driving, other than the headlight beams remain even and at the same level, regardless of what the car is doing at the time. You mentioned you have a code showing, what is that code?
  4. JFP in PA
    That is the headlight level sensor for the Litronic system: Headlight level sensor @ Sunset Porsche
  5. JFP in PA
    19" should fit, assuming the tire size is not excessive. As for the speed sensors, they should work fine, but will only be accurate if the 19" wheel/tire combination has the same rolling circumference as the current tires.
  6. JFP in PA
    I think at this juncture, and photo would be very helpful...............
  7. JFP in PA
    Unfortunately, Porsche never published internal specs for these engines, primarily because they did not want them serviced in the field. Probably your best potential source is someone like Jake Raby, who along with building some of the most powerful versions of these engines, is running a school to teach proper engine assembly, has published both DVD and printed matter on the subject of engine assembly. A lot of us out here in the real world have had to learn a lot of hard lessons on how to care for these engines through trial and error because there is no technical support available from Porsche; even the dealers do not attempt to do internal engine repairs, they get a car with bad valve guides, the owner gets a factory reman head.
  8. JFP in PA
    Possible........
  9. JFP in PA
    The immobilizer, what you call drive block, shuts off power to the ignition and fuel systems when it is working properly. That said, because of its location (under the driver's seat), it is very susceptible to being flooded when the car's drains plug up, which shorts out the system and can cause other issues. I would pull the unit, open it up and look for signs of water damage. These can sometimes be repaired but are often toast when this happens. Good luck.
  10. JFP in PA
    I would also look under the rear of the car to see if one of the axles has become disconnected. What you described sounds like what happens when the bolts back out of the axle flange.
  11. JFP in PA
    Why not consider becoming a contributing member?
  12. JFP in PA
    Get the car scanned with a Porsche specific diagnostic tool which can see Tiptronic faults. It may be something small like a single solenoid had failed, but with out diagnostics you are guessing in the dark.
  13. JFP in PA
    I seriously doubt 16 inch wheel will clear the brake calipers and rotors on the car.
  14. JFP in PA
    Under the driver’s seat.
  15. JFP in PA
    They get scattered all over the cooling system. Best way we have found to get some of them out is to flush the cooling system components backwards from the normal flow path with copious amounts of clear water. This will still not get every last one as some of them get wedged in tight passage areas and don’t want to come out. Whatever you do, DO NOT apply full water line pressure to the system, it is designed for less than 20 psig pressures and will not be happy if you hit it with 60-90 psig line pressure.
  16. JFP in PA
    If that is the case, you got lucky. 😉
  17. JFP in PA
    Welcome to RennTech If you appreciate how we help, please consider becoming a contributing member .
  18. JFP in PA
    That bearing is decidedly on its way out, small amounts of ferrous particulate indicate it was already on its way to failure. If you have not already pulled the sump cover in preparation to do the retrofit, I would do so now. You will be looking for similar fine ferrous grit in the sump. If you find none, you are golden, but if you find it there, it is everywhere inside the engine.
  19. JFP in PA
    You can do the IMS with the heads off; most problems that arise during DIY IMS retrofits involve the cams jumping time, which could not happen in your case.
  20. JFP in PA
    Please do not "bump" posts, it is against the forum rules you agreed to when you joined.
  21. JFP in PA
    Pretty straight forward, you just follow the possible causes tree, eliminating them one at a time until you find the cause. Even the absolute best diagnostic tools only provide a sense of direction of where to find the fault; none that I know provide a set of directions, which is where the technician's diagnostics capabilities come into play.
  22. JFP in PA
    Welcome to RennTech Loren listed all of them in his post above.
  23. JFP in PA
    There is only one place I would send Porsche water cooled heads: Len Hoffman Hoffman Cylinder Heads Len will go through them and tell you what is needed, he is one of the best in the business. If you read what I have said about bolts, you already know where I stand on this subject. Bolts are cheap compared to having to do the job twice.
  24. JFP in PA
    It would not be the first new fuel pump that was a dud right out of the box, particularly if it is an aftermarket pump.
  25. JFP in PA
    What timing procedure did you use to initially set the cam allocations? And are you sure you did not mix the cam locations (switched the cams)?
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