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Discussion Starter · #1 ·
Hi I have just changed the coolant in my 51 reg fiesta. the heater fan doesent seem to blower very warm. Once the engine is warm and you turn the heating on its nice and warm for a few minutes then it goes lukewarm ?? Any ideas ?
 

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Have you bled all the air out of it? Might need to squeeze a few coolant hoses to get the air out.
 

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Discussion Starter · #3 ·
Have squeezed all coolant hoses. I have even used a coke Bootle over the top of the expansion tank to get some air out like I read on another forum. Don't think the heater was that great before I changed the coolant. Could it be a heater materix problem?
 

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have you looked at the heater control valve? they are quite famous for failing.
 
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