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#1
19th April 2011, 06:17 PM
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On the way out?
I have a bad feeling about my gearbox...... 98k from new, don't think it's ever been serviced, 5-4-3 shifts started to get jerky and started randomly changing on a light throttle from 5 to 4 and back again.
Having read up these pages, I figured that I needed a oil change plus filter before it got worst. That has improved it but not to the level that makes me confident. My local Audi specialist recommended a specialist transmission company called 3 d transmission in reading- anyone any experience of them? They are going to do an investigation for £75 after which they will give me their verdict- wish me luck! 
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 1998 S8 Silver with Black, Solar roof, blinds, BOSE- who needs gears anyhow! 2001 Jeep Grand Cherokee 4.7 V8 2010 Buell Ulysses XB12XT- the final edition 
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#2
19th April 2011, 06:23 PM
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The concensus has become I think that servicing the box when its already done high miles is not really beneficial.
In the same way changing engine oil after 98000 miles for the first time cant magically undo any damage done by the crud whirling round the engine, changing the gearbox fluid cant wind back the clock either. A seperate theory stands that disturbing the sludge by changing the oil for the first time late in life can actually make things worse, not better as the gunk that was happily sat out of the way is now free and floating about the box.... No evidence either way, but generally speaking, if you service a ZF box from new every 20K there are claims it should go forever. Conversely, anything with oil in that is never serviced has a very finite life. Prefacelift A8's would rarely get above 120K on the first gearbox, and the S8 would see less than that, so your fears could be well founded.... Sorry, none of this helps, but thought I'd reply anyhow... 
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For parts enquiries and Forum User Administration please contact customer services directly, not me  - enquiry@a8parts.co.uk, www.a8parts.co.uk, or call 01642 783537The Daily Town Car - 2023 Tesla Model Y Performance. Black with Black. Giant ipad screen, huge sunroof, 4 wheel drive, Tow bar, lots of ooomph and made in China, so actually built properly unlike the Californian ones. The Family Wagon - 2018 Tesla Model X. Black, 7 Seats, Towbar, Homelink, Enhanced Auto pilot with Summon and self park, Heated front seats, CCS Charger upgrade, MCU2 Upgrade, Falconwing Doors, Self opening / closing doors, Netflix, Spotify, toys, Air suspension, alcantara roof + lots of other stuff...... The 17 year old Driver Wagon 2015 Skoda Citigo Monte Carlo. Alloys, Power steering, Aircon, Leccy windows, Sat Nav, bluetooth, central locking, cup holders, 59 whole bhp. Million times better than my first car. Well jealous..... The First 20 Audis: 2001 D2 4.2 QS Silver, 1997 D2 S8 Silver, 1999 D2 4.2 Silver, 2002 D2 S8 Dolphin Grey, 2003 C5 RS6 Blue, 1998 D2 S8 Black, 2000 D2 4.2 QS/S8 Ming Blue, 2003 D3 4.2 Ming Blue, 2005 B7 S4 Blue, 2006 D3 3.0 Tdi Black, 1999 D2 4.2 Silver, 2003 D3 4.2 LPG Crystal Blue, 2000 D2 S8 Silver, 2007 3.0 Tdi Q7 Black, 2009 B8 S4 Black, 1998 D2 S8 Agate Grey, 2006 D3 4.2 Tdi Blue, 2006 D3 S8, 2007 Q7 3.0 Tdi, 2006 C6 S6, The Second 20 Audis: 2011 A7 Sline, 2001 A2 1.4 Tdi Black, 2002 A2 1.4 Tdi Silver, 2006 A8 4.2 Tdi Blue, 2007 4.2 Tdi Q7, 2006 S4 Cab Silver, 2010 RS6 Saloon Black  , 2007 TT Roadster, 2010 A8 D4 4.2 Silver, 2006 C6 A6 2.7 Tdi Quattro, 2000 D2 4.2 QS/S8 Ming Blue (again), 2008 Q7 4.2 Black, 2009 C6 RS6 Saloon Daytona Grey, 2001 Fully Loaded A2 Tdi, 2006 Avant S6 Black, 2007 VW Caravelle Exec Black (almost an Audi) 2009 TT Roadster Daytona, 2015 Q7 4.2 tdi lava grey, 2002 GmbH D2 demonstrator, 2006 D3 A8 LWB 4.2 Tdi Black Most Recent Audis: 2001 A2 1.4 Tdi Black, 2007 4.2 FSi Q7 ABT Blue, 2016 S5 Coupe Launch model, 2004 S4 B6 Cabriolet, 2016 Q7 Sline White, 2006 Q7 4.2 FSi Black, 2012 Q7 Sline+ 4.2Tdi White, 2008 Blue Audi S8 Everything Else 1989 Subaru Justy, 1986 Vauxhall Cartlton 2.0 GL, 1985 Vauxhall Carlton 2.2 CDi, 1987 Ford Sierra XR4x4, 1983 Vauxhall Senator, 1985 Vauxhall Senator 3.0i, 1997 Polo Saloon, 1997 Peugeot 306 1.9 TDi, Ford Sierra Sapphire 2000E, 1990 Subaru Justy, 2000 Subaru Impreza, 2000 Subaru Impreza RB5, 1993 Range Rover LSE, 2005 VW Bora, 2003 Skoda Superb, 2003 VW Passat V6 4 Motion, 1996 Peugeot 106, 2000 Range Rover 4.0, 2019 Tesla Model 3 Performance
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#3
19th April 2011, 06:40 PM
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Quote:
  
__________________
1998 S8 Silver with Black, Solar roof, blinds, BOSE- who needs gears anyhow!2001 Jeep Grand Cherokee 4.7 V8 2010 Buell Ulysses XB12XT- the final edition
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#4
19th April 2011, 07:37 PM
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Some do, I met a guy with a 170k mile final edition he has had for years on its original gearbox. I had a 5 speed A8 with a 220k gearbox still going strong when I sold it.
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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#5
19th April 2011, 08:27 PM
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Like IT and Singh says - it's a lottery with no rhym nor reason.
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  Yeah baby!!2002 Aqua Blue S8 with Milltek - Now sold SL55 AMG Silver with designo red leather and 20" Carlsson 1/16 Utlralight Wheels
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#6
19th April 2011, 08:39 PM
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Mine was still going strong with both hunting and thumping at 150k with no signs of getting worse, in fact it got better after the first oil change.
Though.. I'd start putting a bit of money away for a refurb as it will die eventually.
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2010 Jag XF 3.0D Portfolio S I know.. I know.. 
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#7
19th April 2011, 08:54 PM
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Mine's still working perfectly in my S8 at 41k miles even though it's 8 years old and not been serviced. I'm getting the gearbox oil changed at the next 2 annual services, which should get most of the old stuff out.
Box needs to be dropped to change the faulty range switch anyway, so exhuast will be out of the way.
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#8
19th April 2011, 10:16 PM
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Well I'll be getting my new service exchange box oil changed every 20,000 miles from new, so should be able to report. . . . unfortunately I've worked out that at 4-5000 miles a year thats one change every 4 years and 20 - 30 years before I can report back on whether it has made a difference!!
 
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Confidence is the feeling you have before you know better . . . . Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange 2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee 20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble Audi A8L D2 4.2 Petrol with LPG - Ebony Black Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior and some other A8's A8L's and Mercs
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#9
20th April 2011, 06:39 AM
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__________________
1998 S8 Silver with Black, Solar roof, blinds, BOSE- who needs gears anyhow!2001 Jeep Grand Cherokee 4.7 V8 2010 Buell Ulysses XB12XT- the final edition
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#10
20th April 2011, 08:46 AM
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I didn't get my car new, but it had a whole sheaf of receipts from way back. I believe the gearbox to be original and never serviced. It has 310,000km and apart from all lights lighting up after parking on a very steep incline has shown no signs of trouble. Less power/torque applied from the diesel perhaps?
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D2 FL Q 2.8 V6 2002 Taxi(?) spec - no heated seats headlight washers etc. D2 PF Q 2.5 tdi LHD rear blinds and heated rear seats, Bose, 5 speed Tip, Servotronic, Pioneer AVIC 333,333 km Murdered on a P&O ferry 2012. Cat3 write off
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