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Jay.

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About Jay.

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  • From
    United Kingdom
  • Porsche Club
    PCGB (Porsche Club Great Britain)
  • Present cars
    996tt
  • Former cars
    Turbo Miata

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  1. The connector is quite high up on the back of the gearbox, you'll need to remove the plastic cover below the centre of the car as well to get better vision, and a mirror will give you a much easier time. Unfortunately I don't have a pic to help you, but it was quite easy to locate with the trim off and an extendable mirror. I checked the plug and it appears dry. After removing some brackets and moving coolant pipes etc, I've managed to track down the source of the leak as the original ATF return pipe that the Specialist had changed on my original issue - it appears the leak is coming from where the pipe goes onto the joint, possibly not tight enough or a bad seal. The pipe goes from the top of the transmission to the oil cooler and very tricky to get to. (Hopefully that's kinda clear) I'll contact the garage that did the original work and I'm hoping they'll fix the leak free of charge. I'll also take it to my local specialist and get a quote as they thought the original pipe change should not have taken more than 3 hours labour, and I was charged 10. Will keep the thread updated!
  2. I haven't heard of that, I'll look into that for sure - do you happen to remember who it was?... Are there any other hot spots for ATF leaks? I've read about the transfer case but I'm praying it won't be that I took it to another Porsche specialist but after an hour or so he wasn't able to locate the source either which is a little disheartening. I'll have another crack at it tomorrow and remove some stuff to get a better look.
  3. So, a bit of a delayed update due to work, but here it goes. I gave the car a good drive when I got back, and annoyingly (?) it seems to be running great. There were no warnings and no slippage at all. I jacked it up anyway to have a look and that's where I found it was leaking ATF, pretty badly. (The gearbox is directly above my head as I take this photo, with the underside of the car covered in ATF) At first I thought the leak was coming from the Oil Pan Gasket, but on closer inspection it seems that it might be coming from above that. The pipe that was replaced by the Garage is up there, and I wonder if they replaced the pipe but didn't fix the leak (at the expense of ~£1,300). (You can see the drop forming on the ATF Fill Nipple, and some other bits.) I'm in a dilemma now: I've topped up the ATF (2 litres) and it appears to be driving great... however I am left with a pretty big leak which is covering the bottom of my car every time I take it for a good drive. I can't seem to get vision to where I think the leak is originating from, and I'm half tempted to just replace the Oil Pan Gasket just in case that is the main source, but I do think that's probably a waste of time as directly above the transmission appears to be the source. It seems my first port of call is to fix the leak, and then consider whether it is indeed electronics as originally thought, or if it was just the low ATF that caused the Emergency Run to pop on.
  4. Thank you - I've read conflicting things too Wizard, so it's nice to have it confirmed. I'm around 2 hours away from Maidenhead, so I could pop up if you think that would be a good idea. My current reader has dedicated Porsche module - it allows me to play with all the settings within the car (lights, ABS, windows etc), I assumed this would also show me all the codes too? I've PMed you my email address, many thanks. Thank you so much for signing up for this - that does help me a lot! Was there any visible damage or was it a 'gamble'? I've heard that it can be a few different things on the TCU (Tip Control Unit) so I'm tempted just to buy a new one and replace the whole lot of it.. Wizard, you are certainly right - I think 99% of the time the issue is just low ATF which shows after braking and then quickly accelerating (Fluid sloshes forward causing low ATF reading) etc. I think I'll start by trying to push some more fluid in and seeing how much it takes - I'm lead to believe that if it's already full then it'll simply leak out of the control valve when I push some in. Thank you all for the responses!
  5. Apologies I don't know why I typed that... I meant 2004 (late). I was under the impression that the ZF was the early year cars? And that in 2002 they equipped them with the 722.6? To be honest I haven't checked physically.
  6. Hi All, I've had a look on the forum and seen some good topics regarding this warning, but I'm hoping to post a fresh topic to share my experiences and hopefully gain some insight to my problem. Warning: Long post. Short version: Car goes into Tiptronic Emergenc Run Warning when accelerating hard. Had the car 'fixed' by a Specialist but seems to have returned. Background Stock Porsche 996t 2004, car has 70k miles, and has given me zero problems in my 12 months ownership. Initial Symptoms I put my foot down in 2nd and the car suddenly felt weird - it felt like the clutch slipped and the revs were all over the place.. I took my foot off the gas pedal and let the car slow down. I noticed that the "Tiptronic Emergency Run" warning was showing on my center console and the lights indicating "D" and "4"th gear were flashing. I turned the car off, waited 30 seconds and turned it back on. No warnings, car drove normally and I started heading back home. I put my foot down once again and the symptoms occurred again - pulling away in 2nd and everything goes weird, before it heads into limp mode and I have to restart the car. I carefully get the car home and notice there's quite a few oil drops on the road (it had started to rain, and this made the spots really easy to see). I parked the car up and got it picked up by a Porsche specialist that was nearby. 'The Fix' The specialist found that an oil pipe had corroded which was causing a leak. He suggested that the Warning was likely because there was low ATF levels - which seems to be a common cause according to searches on here. Anyway, 10 labour hours later and the pipe has been replaced, ATF filled up and leak fixed. The Issue.. again. I got the car fully serviced and took it away... 100 miles later and I'm pulling away from the lights where the symptoms kick in again. Restart, and it's fine - although driving it carefully I've noticed a few things: the car seems to struggle a bit when pulling away up hills, and a bit hesitant when changing gears. I've parked the car up as it's been raining heavily here and don't have somewhere to check anything out. Finally! Reading on this forum suggests it could be a TCU fault, which makes sense as it seems to fix itself when restarting the car. The valve body also seems to be a common theme, but I don't know what I can do to test that? Any other things I should be checking? I have a Ramp at home, so I can do most of the spanner work, as long as it's not too complicated. I have a handheld reader which can read codes, clear codes and do data streaming. Fault Codes I've finally got my code reader (Carecar AET-1) and the following have shown up: Warning from ECU error codes menu P0715 - Tiptronic (supply voltage, speed sensors) Transmission warning codes 14 - Speed comparison between n2 and n3 comparison implausible 50 - Impermissible transmission ratio Can I confirm that the transmission in my car (04) is the MBenz 722.6? Here's a good forum answering lots of questions if so: http://www.benzworld.org/forums/w210-e-class/1463460-mercedes-benz-722-6-transmission-faq.html#/topics/1463460?_k=025ifa
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