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#1
3rd November 2012, 06:50 AM
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Gearbox worry?!?!?!?
Hey guys,
Had a wee scan in this section to see if anyone had same issue but couldn't see anything!  Car : 2002 A8 2.8V6 Quattro Sport............. I selected "R" and pressed the gas pedal before the gear was engaged, it made a small bang as it selected "R". When I changed from "R" to "D" all the gear symbols on the dash were lit up with the red box and the car seemed to be stuck in like a limp mode!!!!!  I stopped, selected "P" and turned off the engine. When I re-started the car it was back to normal with only the selected gear lit up with the red box around it! After this its as if I can hear the gearbox selecting 1st but I'm not sure if its my paranoia!!!!  So any advice or answers guys????? Its going into the garage on Monday for a health check so was thinking a gearbox service and oil change etc!!!! TIA.............. 
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#2
3rd November 2012, 07:06 AM
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Sounds fine, as long as its behaving now I wouldnt worry. No gearbox autobox is going to like having a gear selected at above idle. You are I suspect having a little paranoia with regard to the noise into 1st given what had just happened.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles
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#3
3rd November 2012, 07:20 AM
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 I hear ya fella!!!!!........................Just found this to add to my paranoia!!!!!!!! http://forum.a8parts.co.uk/showthread.php?t=3914
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#4
3rd November 2012, 07:25 AM
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Get hold of VAG-Com and do a scan of the autobox ecu, it will have recorded a fault when the lights all came on. I'm guessing a bit here, but just clear the fault and then enjoy driving the car. If anyone should be worrying about the auto box its me, at 181K miles without any maintenance. I gave up reading the horror stories, and just drive and enjoy the car.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles
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#5
3rd November 2012, 10:29 AM
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Super, that's what I'll do!!!!
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#6
3rd November 2012, 10:39 AM
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gearbox
i had this trouble with my wife car ok in drive then put in reverse it jumped swich engine of and cleaed for a sort time when got it check found out it was the gearbox ecu full of water ,as the floor in car had water leak the cost of a ecu was £1300 pound so the car was scraped.hope your car is not that problem good luck with the scan
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#7
3rd November 2012, 03:39 PM
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Dam problem is still there, fine in drive but banging into reverse when selected causing all gear select symbols to be in red boxes! Hope it's not the ecu as above!
Where is the gearbox ecu as I hope it's not in the passenger side floor where my water leak is causing floodage!
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#9
3rd November 2012, 03:48 PM
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ECU is in the (sealed waterproof) box under the bonnet - passenger side in front of bulkhead beside the air intake.
There are several in there; I think it's on top.
__________________
2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions, ski hatch retrofit; extended leather. Aftermarket DVB-T, reversing camera and full XCarlink (Bluetooth etc.). 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation".  (A much rarer model than a D2 S8 by the way!) Oh, and a brand new engine at just under 30,000 miles on the factory one!  Finally: gone, but not forgotten..... 1998 D2 PF S8. AgateGrey/Platinum. Every option (I think) except electric rear seats, tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course. (internal dimming mirror added later)1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon, Auto-dim mirror, Leather, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! 
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#10
3rd November 2012, 04:41 PM
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Sorry to say, but this sounds to me like one of those pesky O rings has gone, which sadly means the gearbox will either need stripping and refurbing, or a reconditioned exchange box.
If that is the case, definitely wouldn't do a fluid change, it won't make it any better, could make it worse, and will cost you about £300 for nothing
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2019 BMW M5 (my daily driver) 2002 Mark's D2 S8 FE 2020 BMW M340d xDrive (Anely's daily driver) 2000 FL D2 4.2 QS - SOLD 2011 
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