pauls440 Posted February 12, 2012 Share Posted February 12, 2012 i have a 99 18 zetec focus and the heater is rubbish, fitted new thurmasat and still the same any one have any ides , Should i flush out the heater matrix or are they rubbish Quote Link to comment Share on other sites More sharing options...
dezwez Posted February 12, 2012 Share Posted February 12, 2012 Flush it out give it a good clean then refill when you refill do it slowley to get the air out that should do it. Ive got the 18 petrol and the heater is great hope this helps. Quote Link to comment Share on other sites More sharing options...
pragmatix Posted February 12, 2012 Share Posted February 12, 2012 If there is one thing that Ford do well its heaters, a flush and a good bleed is what is needed Quote Link to comment Share on other sites More sharing options...
pauls440 Posted February 12, 2012 Author Share Posted February 12, 2012 okay :D thanks Quote Link to comment Share on other sites More sharing options...
artscot79 Posted February 12, 2012 Share Posted February 12, 2012 Its possible that the water pump needs replaced if the issue is poor heat but having had one the heater was pretty good Quote Link to comment Share on other sites More sharing options...
pauls440 Posted February 16, 2012 Author Share Posted February 16, 2012 Hi flushed the heater and still not that good , It dos get hot and the temp gos up to the middle Quote Link to comment Share on other sites More sharing options...
pragmatix Posted February 16, 2012 Share Posted February 16, 2012 Sounds like an air lock, but sorry I dont know the bleed sequence Quote Link to comment Share on other sites More sharing options...
STEADS Posted February 16, 2012 Share Posted February 16, 2012 The way i usually bleed the system say after i,ve done a head gasket is make sure rad is topped up to max on coolant expasion tank with correct mix of anti freeze leave the cap off put the blower on max vent to windscreen let the car warm up then at an high idle say 1500 rpm for about ten mins or until the air coming out of vent is hot never failed yet give it a go and let us know steads Quote Link to comment Share on other sites More sharing options...
artscot79 Posted February 16, 2012 Share Posted February 16, 2012 ill second that ford usually when i saw the mechanic do it he removed the expansion cap and let the engine idle with heaters on max hot set to face and fan on 4 then rev to 1500rpm for 5 minutes then let it idle again till you get hot air through the vents replace cap and youre done. as stated before it could be a water pump issue make sure the rad gets hot and the lower rad hose Quote Link to comment Share on other sites More sharing options...
Bigdaddycain Posted February 16, 2012 Share Posted February 16, 2012 The heaters on my current focus are pretty poor i must admit, unlike the climate control on my previous focus... I'll try flushing out my matrix to see if it makes any difference ;) Quote Link to comment Share on other sites More sharing options...
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