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#1
23rd July 2015, 07:34 PM
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Overheating- Water pump/thermostat/timing belt
Having now got back into the car (see another thread....) I was tooling about Glasgow when the engine started to overheat. To cut a long story short, the flow through the radiator doesnt seem right (Its cool when the engine block is overheating. I think that its the water pump or thermostat. Any thoughts?
These were renewed along with the timing belt in Nov 2010 @ 53761 miles by A for Audi when in The Lairds ownership). Given that either needs the timing belt removed and that the car is now at 105000 miles whats the thought about getting the belt replaced too? I am also faced with an exhaust repair (leaking joint before the cats) along with final drive seal (which I noticed when investigating the exhaust problem!) so am keen to avoid unecessary expense.
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind. 
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#2
24th July 2015, 06:50 AM
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I would change the belt, assuming the fault is genuinely water pump related
The time based interval is 5 years (I'm stretching mine to 6 due to low annual miles ) but given you've got 50k+ on this belt anyway you are probably best off dealing with the lot
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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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#3
24th July 2015, 11:00 AM
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Having spoken to the Indy he says that if the defect is thermostat/pump related then they will automatically renew the belt and idlers etc anyway at that mileage/time. I await his verdict on the problem this afternoon.
__________________
2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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#4
24th July 2015, 09:57 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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#5
26th July 2015, 12:54 PM
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Garage agrees that its probably the pump and that many of the Audi water pumps fail due to plastic impellors detaching/breaking up.
He is about to order parts thru TPS but says that they dont do a belt replacement kit and that the parts need to be ordered separately. I said that I will do some digging as I know that SilverS8 on another thread mentioned a Contitech kit from MisterAuto at around £179. Have looked at these and there are a variety of kits from around £200 tho' not sure which is correct for AVP - CT 920K3 or K5 or K6? Can anyone help here? Also are Contitech and Gates OK kit as I had a long discussion with the mechanic about substandard /non-OEM ket and the issues?
__________________
2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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#6
28th July 2015, 05:34 PM
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Update + new issue
The garage now has the parts and is getting on with the jobs - first the timing belt and then the exhaust and final transmission drive seal.
After removing the front end they also saw that one of the engine mounts is gubbed. The rubber has deteriorated and is badly cracked - see photo - so that has to be done too 
__________________
2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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#7
1st August 2015, 07:18 PM
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Update 2
Well, the job is now done. The culprit was the thermostat.
In the end after discussion about Contitech and other belt kits with the garage who have had some experience when asked to fit Contitech and other kits by clients (poor pulley alignment/failure) we both agreed that OEM parts should be fitted. (This will cost me when he has worked out the bill next Monday!) What surprised me was that the belt pulleys/ pump and thermo that were removed were Contitech despite the fact that The Laird - who owned the car a few years back - had the belt etc done by A for Audi in Glasgow 5 years ago who state on their website "Only Genuine Audi Parts Used".  Also, when the final drive transmission seal was done today the seal removed was different from the new seal ("old" type) that I had got them to order noting that, although the seal was replaced in 2010 the costs (no details of parts) in the invoice of the time led me to assume that the modded flange had NOT been fiitted. The removed seal is, I think, the modified type with an additional lip. The evidence from the condition of the flange was that, in the opinion of the mechanic it had NOT been changed. So, I guess that when A for Audi did this work they just ordered and fitted a new seal to the old style flange. The photos below show the new ("old") seal box and the seal removed. Does anyone know if this is indeed a new type seal?
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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