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D3 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#1
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Rear brake upgrade anybody done this ? D3 3.0tdi
i have S8/W12 front brakes and i want to upgrade the rear ones
question? do i need everything say Discs/pads/calipers/caliper carriers or can i use my own calipers? using S8/W12 rear discs and caliper carriers? ps. whats the difference in size? cheers all
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Looking for the Holy Grail Audi .. 2018 VW Caravelle Executive T6 2010 A6-C6 3.0tdi LeMans Quattro |
#2
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There are three sizes of rear disc, ignoring ceramics
280x22 310x22 335x22 The caliper is the same across all these, as is the splash plate, so all you need is the discs and the caliper carriers. For 335x22, carriers are 3D0615425A (left) and 3D0615426 (right). I think those are Phaeton numbers, possibly Bentley, so they may be straightforward to find. The D2 is the same - the only difference between A8 and S8 rears is the caliper carrier and disc itself. |
#3
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Thankyou so much, really appreciate that
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Looking for the Holy Grail Audi .. 2018 VW Caravelle Executive T6 2010 A6-C6 3.0tdi LeMans Quattro |
#4
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Quote:
cheers
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Looking for the Holy Grail Audi .. 2018 VW Caravelle Executive T6 2010 A6-C6 3.0tdi LeMans Quattro |
#5
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This is what my Etka shows:
Same numbers for all versions but different suffixes for different sizes. Also note that the 280 is not handed but the 310 and 335 are. Not sure why that would be. The rear hub is the same for all versions. |
#6
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ok, they told me part numbers have changed?
now got .. 4EO 615 426 A .&. 4EO 615 425 A = Caliper carriers these are for 335MM DISCS S8 2008 nightmare i wonder if D4 rear brakes fit ?
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Looking for the Holy Grail Audi .. 2018 VW Caravelle Executive T6 2010 A6-C6 3.0tdi LeMans Quattro Last edited by roberto; 11th April 2019 at 03:56 PM. |
#7
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That's not unexpected - there are often supersessions and my Etka is a bit out of date.
The theory is still sound that discs and carriers from an S8 will fit an A8. Hubs are the same, splash plates are the same, calipers are the same. |
#8
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Late on reply, but I've done this on my D3 3.0TDI and you need as mentioned discs and carriers, and maybe the outer brake hose. I was able to squeeze the caliper over the disc but it was tight with the larger disc.
Should be a thread I made here somewhere from few years back.
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2006 Audi A8 3.0 TDI Quattro Sport A8 W12/S8 Brakes front and rear (385mm/335mm) Focal and JBL speakers, Helix amps S8 anti-roll bars front and rear Complete rear LED taillight Xenon fog lights All interior LED S8 rims 9x20" Stage II tune S8 Grill |
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