Coolant loss from my Touran?

My 2006 1.6 S petrol Touran keeps losing coolant. No visible signs of a leak and head gasket appears OK. When I take it back the dealer says he cannot find a leak. The car is on HP and I have only had it 4 months. What should I do?

Asked on 20 February 2013 by James

Answered by Honest John
Fingers crossed, maybe an airlock. Suggestions how to purge a cooling system airlock here: www.honestjohn.co.uk/faq/cooling-system-airlocks/
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