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| D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#51
5th February 2011, 07:05 AM
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How to install late FL ABS sensors to early FL (or PF)
Hi,
So as promised a little how-to on how to install late FL 4-pin abs sensors to a PF or early FL 8 (which uses a 2-pin system). This is most likely only useful to anyone that changed their hub carriers to FL versions like i did. The end result of this procedure means that we have working ABS and traction control again. First off a quick reminder of the differences:  A close up of the connectors...my car was an early FL and so set up with the 2-pin wiring.  Simply cut off the 4-pin connector, take the yellow and red wires needed for the ABS sensors and solder these to your trusty old 2 pin connector from your old sensors. Make sure you insulate it properly, leave plenty of slack on the cable and hey presto - bob's your teapot!  Take it for a thorough test drive and really test it! Oli PS - Please don't take this procedure as being endorsed by Audi. I wrote this in order to share the learning but do not recommend anyone else doing this...in other words...don't sue me! 
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 CURRENT: 2006 Audi A8 D3 4.2 Tdi QS - CLICK HERE FOR PROJECT THREAD: Audi Exclusive Azure Blue, Amaretto brown interior, facelift rear lights, S8 mirrors, B&O, ACC, Digital TV, glass sunroof, Fridge, Extended Leather Pack 2, wooden steering wheel & gearknob, keyless entry, keyless start, electric boot, softclose doors SOLD : 2000 FL Silver D2 4.2 QS - Solar sunroof, Bose, Blinds, NavPlus, Playstation, DVD, wireless headphones, iPhone AV connection, RS6 steering wheel, chrome mirrors, phone prep, xenons, servotronic steering, Rear screen, TV-in-motion, NavPlus Alu rings, S8 exhaust, S8 bonnet grille, 385mm D3 S8 brakes, rubber winter mats, De-badged rear, US rear indicator clusters, 20" Final Edition diamond cut wheels, 15mm Eibach Pro spacers (front), 20mm H&R hubcentric spacers (rear). Audi A8/S8 D2 Flickr Group Last edited by Oli18; 5th February 2011 at 07:12 AM. 
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#52
9th February 2011, 03:17 PM
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Quote:
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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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#53
15th March 2012, 01:39 AM
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Nice upgrade!
I have a question. Are the larger D3 S8 rotors on the same plane as the D2 rotors? (Do they sit out or in more?) Also how thick are they? My thought is to use the D3 S8 rotors, since they are quite a bit larger, and either re-locate the D2 S8 caliper out on a bracket to the right diameter postion, but if the rotor is too thick that would not work. (Unless of course you take apart the calipers and add spacers to them, longer cross over tube for the brake fluid to make them wider...) Just the larger rotors add more braking ability, since you are further out from the center of rotation. (Sort of like adding a cheater bar on a wrench, it multiplies the tourqe, so the same amount of pressure on the pads via the calipers equals more stopping force is what I've been told.) The larger swept area just allows it to reject heat faster, or store more heat when used, and reject it over more time. (Reducing fade effects.) So, in theory, just going to larger rotors would add to the braking ability of any vehicle, and the S8 Brembo's are pretty good calipers to start with, they just should have been mounted over larger/thicker rotors. 
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#54
15th March 2012, 08:21 AM
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Assuming you have the correct hubs (you probably do), then you shuold be able to drop a set of D3 brakes on, anything from the standard up to the S8 Ceramics. Though you might also want to keep an eye out for RS6 brakes too as they'll just drop on as well I'm sure.
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2010 Jag XF 3.0D Portfolio S I know.. I know.. 
Last edited by PsYcHe; 15th March 2012 at 08:50 AM.
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#57
25th April 2012, 11:57 PM
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Quote:
__________________
CURRENT: 2006 Audi A8 D3 4.2 Tdi QS - CLICK HERE FOR PROJECT THREAD: Audi Exclusive Azure Blue, Amaretto brown interior, facelift rear lights, S8 mirrors, B&O, ACC, Digital TV, glass sunroof, Fridge, Extended Leather Pack 2, wooden steering wheel & gearknob, keyless entry, keyless start, electric boot, softclose doors SOLD : 2000 FL Silver D2 4.2 QS - Solar sunroof, Bose, Blinds, NavPlus, Playstation, DVD, wireless headphones, iPhone AV connection, RS6 steering wheel, chrome mirrors, phone prep, xenons, servotronic steering, Rear screen, TV-in-motion, NavPlus Alu rings, S8 exhaust, S8 bonnet grille, 385mm D3 S8 brakes, rubber winter mats, De-badged rear, US rear indicator clusters, 20" Final Edition diamond cut wheels, 15mm Eibach Pro spacers (front), 20mm H&R hubcentric spacers (rear). Audi A8/S8 D2 Flickr Group
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#58
13th March 2021, 06:04 PM
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Hi guys, i have "found" bolt on solution for A8 D2
aluminium hubs with HP2 front brakes to 360mm discs & dual calliper upgrade from A8 D3 4.2 Tdi or Phaeton MK1 3.0 tdi model. Bolt on solution no spacers, adapters or so. Today i did not take pictures when i was test fitting on spare hub, because i have literally one pile of 200 different discs and other pile of callipers to find bolt on match, But i will take some photos when install them on my car. Minimum is 18" wheel, but im not shore wich wheel ET fit. I knew they fit under my 19" 8.5j ET 45 oem D3 wheels. I will try to measure gap after fitment. I have put some D3 310mm discs rear and adapters to fit calipers carriers on desired position. Will make thread for them too.
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God loves speed. Earth orbital speed is 107200 km/h. And someone set speed limit on earth at 50km/h. Well road safety they say. I say that is bad engineering  THREAD WITHOUT PICTURES IS LIKE SKY WITHOUT STARS. A8 D2 W12 6.0l 2002 A8 D2 2.5 TDI 2000 S8 D2 4.2 V8 1998 Manual transmission Last edited by edinko; 13th March 2021 at 06:17 PM.
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#59
13th March 2021, 06:14 PM
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The D3 front brake geometry is the same as the D2 so all the options bolt up to both FL aluminium and steel uprights
This is the 360mm setup. The caliper for the 385mm from the D3 S8 and W12 is also a bolt-on fit, but the discs are stupidly heavy when you go that large. I think the 360mm is a good compromise between braking and unsprung weight. The ceramics would fit too, if anyone was brave enough!
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#60
13th March 2021, 06:21 PM
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Yes i have find 385s and really heavyer than 360s. Not much difference in diameter for some diference in weight
And found ceramics to but not find callipers for them. I have steel uprights on my W12 and those poore single piston callipers, that engine really molest them but i did not look for upgrade on steel. Those brakes on my 2.5 tdi are joke for that car, and for what i have used when brake to stop, not to have just wish to stop car.
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God loves speed. Earth orbital speed is 107200 km/h. And someone set speed limit on earth at 50km/h. Well road safety they say. I say that is bad engineering THREAD WITHOUT PICTURES IS LIKE SKY WITHOUT STARS. A8 D2 W12 6.0l 2002 A8 D2 2.5 TDI 2000 S8 D2 4.2 V8 1998 Manual transmission Last edited by edinko; 13th March 2021 at 06:34 PM.
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