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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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#1
15th April 2009, 09:36 PM
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Re: RS6 Brake upgrade for 98' D2
I just read a post on here in regards to upgrading an S8 calipers to an RS6.
 I have an 98' 4.2L QS and I was wondering if the same could be done?  If so what would be the process?? Thanks in advance!! Will USA 
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#2
16th April 2009, 09:01 AM
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Hi Will,
I'm looking to do this as a B7 RS4 upgrade. I have sourced the rears but I am struggling to find the front discs and calipers. As far as I know the upgrade can be done but some modifcation of the hubs is required. I have the car booked in for the work to be done so I'll post some pics and a procedure with any problems encountered when its complete. It may be in two parts if I can't source the fronts in time at a reasonable price! Steve
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#3
13th May 2009, 07:18 PM
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I have just picked up a set of C5 RS6 (2004) rear calipers and disks. Will be fitting them this weekend. Update to follow.
__________________
Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light.
Last edited by Conan_the_Librarian; 13th May 2009 at 08:01 PM.
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#4
13th May 2009, 07:32 PM
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Check the bolt sizes that bolt the caliper frame on the hub. If they're 10mm you'll have to get your drill out as the standard rear bolts are 8mm.
It looks like you'll beat me to the 'How to'. The first time I tried to fit the rear calipers I failed miserably!
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#5
24th May 2009, 03:20 PM
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Mike,
Did you fit the RS6 calipers and discs in the end? Steve
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#6
24th May 2009, 04:29 PM
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Steve,
It did not go well!  While the carriers bolted directly to the hub, the hand brake pull is longitudinal whereas the S8 hand brake cable is transverse so I have ordered up some longer handbrake cables. I was also not able to get the disk on as it is too big (335mm) for the carrier by a few millimetres so I will have to have the disk machined down to fit. So no. RS6 C5 rear brake callipers are not a direct replacement. I will get the handbrake cable to fit before I reduce the size of the disk just in case its not possible. The disks are almost new as are the Ferrodo pads. More to follow.
__________________
Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light.
Last edited by Conan_the_Librarian; 24th May 2009 at 04:33 PM.
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