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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
26th February 2016, 01:42 PM
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ABS sensors. 1 or more?
Folks - front right ABS sensor is showing as faulty. Is it OK to replace just one, or do you recommend a pair or all 4? Discuss.
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All too often, the light at the end of the tunnel turns out to be a headlamp on the on-coming train of disappointment. 2016 S3 Sportback 
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#2
26th February 2016, 01:44 PM
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One is fine. They're independent. Though inspect it when it comes out. Depending on which hub/sensor combo you have, it could just be the sensor but it could also be a sign of the bearing starting to go.
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2010 Jag XF 3.0D Portfolio S I know.. I know.. 
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#3
26th February 2016, 02:05 PM
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you can sometimes be lucky and extend their life by just removing and cleaning
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 Audi S8 2002, Black (even the chrome bits) Audi RS6 Avant 2008, Daytona Grey Maserati Granturismo 2008, Metallic Nero Carbonio Audi S8 2015, Daytona Grey
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#4
26th February 2016, 02:57 PM
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Cheers folks. This sounds like it require an amount of mechanical skill (which I don't have), but I needed to know for when I take it to my local garage so I don't get screwed over!
Unless it's very easy. I made read up on the process. Thanks!
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All too often, the light at the end of the tunnel turns out to be a headlamp on the on-coming train of disappointment. 2016 S3 Sportback
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#5
26th February 2016, 03:10 PM
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Quote:
Z
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 2002 D2 S8: Ebony Black over Platinum. A8L Comfort front seats in black (  ), heated rear seats, extended Leather Pack 3, blinds, glass sunroof, MFSW, Dension Gateway 100 for iPod, ski-hatch, xenon plus, auto dimming mirrors, 20" FE wheels, billet aluminium 'brake block', gunmetal Brembo calipers  2005 B6 S4 Cabriolet: Ebony Black Pearl over Silver. RNS-E, Bose, heated seats, cruise control, retrofit aux-in, centre armrest, Milltek resonated exhaust
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#6
26th February 2016, 04:23 PM
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Be warned that the part is different if the car left the factory on 20s (different suffix on the part number) and it's a pretty wallet-wilting £170+vat
Does it come on reliably under particular circumstances? If it's a bit random a clean up of the connector behind the arch liner may be all that's required. My FNS needed that recently and has been fine since (sensor was replaced 4 years ago)
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC
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#7
26th February 2016, 05:27 PM
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I don't know if had had FE 20's from new. It's a 2002, but not FE. The scan said front right, but having read more this afternoon I'm becoming suspicious of damp around the brakes ECU, as it only ever happens just after being washed. I did have some water build up recently from a blocked drain. A day or two later it goes again and is fine. I'll investigate in the daylight tomorrow. Perhaps I should just stop washing it!
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All too often, the light at the end of the tunnel turns out to be a headlamp on the on-coming train of disappointment. 2016 S3 Sportback
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#8
26th February 2016, 05:58 PM
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Check in the ECU box under the windscreen scuttle for water getting in - that'll not help!
C1S in the PR codes means factory 20s
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC
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#9
26th February 2016, 07:32 PM
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IT can also throw a fault if there is a break in the abs cables to and from the sensor and that can be triggered randomly by turning the wheel far or by going over a bump even, you can check if it's the sensor or not by swapping them with the diagonally opposite one and if the fault moves then you know it's got to be the sensor
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