I have seen the thermostat replace with just slacking the cam belt. I guess you would still need the crank pin and cam locking bar when torquing it up again? But I suppose if you're DIYing yourself it should be ok and then replace the other parts at another time.
Just out of interest, what actual peak temps are you getting?
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Matt
2004 A8 3.7q, 1998 A4 2.8q, 1994 Coupe 2.8q SORN,
Last edited by mattylondon; 18th November 2016 at 12:04 PM.
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