Ali Bongo Posted October 13, 2016 Share Posted October 13, 2016 Hi I've had my A3 sports for a couple of months now and absolutely love it - but it seems to use a lot of coolant. I have had it checked, there is no leak anywhere, and pressure test was good, so not leaking into the oil. Anyone got any ideas? Could it be to do with heating matrix?? Have had to top up about 300mls three times in 2 months. It is early 2004 year. Help please, anyone!!! Quote Link to comment Share on other sites More sharing options...
Trevor Posted October 13, 2016 Share Posted October 13, 2016 Hi Ali...welcome to the Forum The first place I would check out is the coolant reservoir pressure cap....if that is weak (it can be pressure tested) then it can allow coolant to escape as vapour if it doesn't hold the pressure to at least 14-18 psi. http://www.audiownersclub.com/parts-results/A3-S3/Engine-Cooling-/33599 Got to be the cheapest place to start looking at Let us know how you get on with it. Cheers Trevor Quote Link to comment Share on other sites More sharing options...
Ali Bongo Posted October 13, 2016 Author Share Posted October 13, 2016 Thanks Trevor, I'll check it out. Ali Quote Link to comment Share on other sites More sharing options...
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