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#1
24th May 2015, 08:44 AM
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Fluctuating temp gauge
Yesterday I drove 4-5 hours to see M-A8.
For first 2 hours of the trip the temp gauge sat at 90 with no issues. For next 2 hours it would slowly move between he quarter mark and 90 degrees. I checked the coolant level and that was fine. There is nothing visual around the car and the engine did not seem to be having issues. I'll get it scanned to day but in meantime does anyone have ideas or experienced this before?
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[center] 06 3.0TDI Quattro: Options: Soft close Doors & Boot, Electric Blinds, Keyless Entry & Start, Bluetooth HandFree, Quad Zone Climate, APS+, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Heated Seats All Round, Black Leather Comfort Seats, AMI, Sunroof, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons AFS2, Dab, Digital TV, Reversing Camera, AV Inputs, Fridge, Solar Roof, TPMS, facelift rear lights, 3G, remote boot closure, Tow Bar. 
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#2
24th May 2015, 09:43 AM
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The thermostat that is on the gearbox cooling circuit can fail, there is a huge thread about it on audiworld. It would be easy to diagnose if you clamp the hose at the stat and go for a drive
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Del 
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#3
24th May 2015, 10:02 AM
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Quote:
Is it just a normal thermostat that fails? easy to replace?
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[center] 06 3.0TDI Quattro: Options: Soft close Doors & Boot, Electric Blinds, Keyless Entry & Start, Bluetooth HandFree, Quad Zone Climate, APS+, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Heated Seats All Round, Black Leather Comfort Seats, AMI, Sunroof, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons AFS2, Dab, Digital TV, Reversing Camera, AV Inputs, Fridge, Solar Roof, TPMS, facelift rear lights, 3G, remote boot closure, Tow Bar.
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#5
24th May 2015, 10:48 AM
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Thanks Dell.
I'll do a proper search when I'm not using my phone. If it's easy enough, who's up for doing it at the meet?
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[center] 06 3.0TDI Quattro: Options: Soft close Doors & Boot, Electric Blinds, Keyless Entry & Start, Bluetooth HandFree, Quad Zone Climate, APS+, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Heated Seats All Round, Black Leather Comfort Seats, AMI, Sunroof, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons AFS2, Dab, Digital TV, Reversing Camera, AV Inputs, Fridge, Solar Roof, TPMS, facelift rear lights, 3G, remote boot closure, Tow Bar.
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#6
24th May 2015, 02:24 PM
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this is the thead that i am talking about, I don't know if your car has the same stat or not but should be simple enough to find out.
Also the diesel are difficult to get up to temp are they not, which is why you need the webasto. Could there be issues with it?
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Del
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