Florin Oprea Posted January 8 Share Posted January 8 So I've got a 2008 Impreza Hatch with a 2.0l EJ204, had it for 4 years and I just realized today that it had the wrong type of coolant since I've got it, G12 red coolant, and it's supposed to use G11 Blue/Green Coolant. This may answer some questions as why my water pump started leaking after 32k miles, Why I had to replace 3 hoses and the thermostat seal last summer and so on. I now need to replace the timing belt and all the pulleys with the water pump so I will be draining the coolant once again, my question is: Is draining the coolant from the engine and pouring like 10 liters of whater in for it to flush going to be enough? I really do not want to mix 2 different types of coolant after it's been running the wrong one for so long. Quote Link to comment Share on other sites More sharing options...
Linx Posted January 9 Share Posted January 9 Just stick the garden hose in for a minute if you can, with the drain screw open. Flush it until it runs our clear. Quote Link to comment Share on other sites More sharing options...
Mark Goodall Posted yesterday at 11:12 AM Share Posted yesterday at 11:12 AM Is it necessary to flush radiator if the new coolant is different colour? Quote Link to comment Share on other sites More sharing options...
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