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somahone

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Everything posted by somahone

  1. Have you had a good look around the front radiators, they are somewhat concealed and there a quite a few plastic areo panels which might wick the fluid to less obvious places other than directly below, or only happens when your out and about, the engine does pump considerable coolant when it going hard. Scott
  2. hi, I have a 2001 996tt with Tiptronic and have spent some time driving less than perfect roads and have found PSM activating in some interesting circumstances: a) steep downhill winding tight curves, off the throttle, the PSM activates with no foot brake application, throttle application or oversteer/understeer situation. What I believe is that the PSM detects wheel slip on the tight steep corners (steep hairpins) and applies corner braking to 'help' correct the situation. This happens even if you think your speed is ok for the corner but PSM detects some wheel slip, you might just catch the PSM light, but most times your too busy working out what happened, rather than catching the PSM light flash. you might hear the typical sound of ABS, no event is logged. B) on rough tarmac with sharp dips and bumps and at speed, PSM activates which I believe is again caused by wheel slip detection as a tyre breaches a dip/bump combination, or the rear end steps off (sideways) on a bump. Again you think the speed is fine and probably is but the road surface upsets the road/tyre contact and PSM steps in. Again it's quick you might notice the brake pedal push back if your decide trail braking, and probably missed the PSM light flash. I've had this happen at 180kph mid corner on a sharp short bump. In all the cases PSM has activated when road speed has been ok for the corners, but the road undulations cause PSM to interpret a wheel slip/traction issue and then activates, which can be take one by surprise and further upset the cars balance. I most cases the PSM intervention is quick and short and leaves little time for the driver to assess what has happened, except after the event. Scott
  3. Hi, I have a 996TT which I have all wheels aligned annually, once at OPC and other at Continental Tyre dealer with laser aligner. I can say both do a fine job OPC costs more. Some argue OPC place weights in the driver seat before aligning, but a good laser aligner operator can also do a good job. Make sure they have experience with exotic cars The 996 TT has a number of adjustments front and back. Googluck
  4. Following up on the tip problem, OPC have changed out the tip control module which has improved changes and tip lockup and unlock. However the tip still produces a 'rattling' sound from the front of the tranny when running in third gear with little engine load, like when your loafing in the traffic in third. So the story goes they are replacing the tranny which includes transaxle and tranfer case under warranty next week. Make sure you work your OPC to ensure the problem is resolved. Scott
  5. i have a 2001 996TT. If the BMW is low the 996tt will be lower and it has a poorer entry / exit angles due to the splitter and rear tail, which means getting in and out of driveways and crossing spoon drains at intersections etc becomes a minor inconvenience. Also the 996TT has a very stiff chassis and small suspension travel and again crossing gutter, speed humps etc can cause the vehicle to lift wheels completely. I have a couple of large speed humps which I cross diagonally and the car 'rocks' over them as you crawl over the hump. You might also consider that if driving in snow the 996TT has very tight clearances between the front wings and tyres and the front air intakes are very good at 'hovering' crap from the road. Despite this if your prepared to look after and maintain a 996TT then a daily drive is very rewarding. Scott
  6. I have a 2001 996TT that does a couple of things: 1) when accelerating in a higher gear [manual shift mode] there is a rattling sound coming from the rear of the car [most noticeable in close confines]. It sounds more like a loose heat shield or panel. 2) since buying the car I have noticed that the auto torque converter lockup 'hunts' more often, unlocking and locking when your having a quiet moment driving the car, you'd swear that the transmission has shifted but it hasn't just the tranny has unlocked and then locked. The car has been into Porsche and they tell me there is a TSB out on a similar auto problem which causes noises and lockup. They say it is symptomatic of driving the car calmly, however I drive quite hard so not sure about that comment. Anyways they are replacing the transmission ECU under warranty. Scott
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