Hi,
Thanks for the reply. Thermostat has been done, genuine Audi part. Hence the ad. I'm not getting any erratic temps hence why not convinced its the CTS? Just a steady rise higher and higher. Also I let the car idle for 15 mins after replacing the thermostat. Bang on 90 degrees. Only when I began to drive it crept over 90.
Are they hard to replace?
Cheers.
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