M4RC Posted April 29, 2015 Share Posted April 29, 2015 I have to fill the engine coolant up every 3 weeks. I've checked for cracks etc but can't find anything. What's the next step? I have a mk6 fiesta st150 Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
alexp999 Posted April 29, 2015 Share Posted April 29, 2015 Do you get any drips under the car, or find any residue under the bonnet? I would also check the pressure cap on the reservoir, as I know these can fail. Quote Link to comment Share on other sites More sharing options...
M4RC Posted April 29, 2015 Author Share Posted April 29, 2015 Do you get any drips under the car, or find any residue under the bonnet? I would also check the pressure cap on the reservoir, as I know these can fail. Not that I've noticed but as its not a major leak I would probably never see. The pressure cap seems okay Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
DieselPig Posted April 29, 2015 Share Posted April 29, 2015 Have a look around the water pump pulley for water marks, if it only leaks when the engines hot the water boils off and there are no tell-tale drips. Quote Link to comment Share on other sites More sharing options...
Russ Posted May 2, 2015 Share Posted May 2, 2015 Any pinkish looking crust around pipes/connections? 1 Quote Link to comment Share on other sites More sharing options...
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