Question about 2003 Ford Focus
Among things are a stuck thermostat. Oil problem can point to mixing oil and water from head gasket problem. The oil should be a separate system.
Posted on Jul 08, 2017
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Posted on Jan 02, 2017
SOURCE: Cooling System
No you have air trapped in the cooling system, rasie the front of the car up as high as you can get it, fill the coolant bottlre to the top and run the engine for about 15 minutes at a high idle, let it cool down, it should purge itself of air once it is cool, make sure your radiator cap is good.
Posted on Aug 25, 2008
Get a compression check to find out if you have a bad head gasket, I have a 96 with the 3.8L that had the same problems at first. then it started to blow out antifreeze thru the expansion tank, the head gasket finally blew the rest of the way going down the highway
Posted on Dec 04, 2009
hi, the problem you are having is down to one of a couple of problems, now as you state the air blows cold then this points towards the thermostat not opening so this then dont pump the coolant round the engine resulting in the top half of the being hot and the bottom half cold so this is why you only get cold air.
so the first thing you should do is get the thermostat changed.
you also need to bare in mind that the problem could be a damaged water pump this does happen from time to time so check for any signs of water leak where the water pump is by the timing belt, if their is no signs of leak then the thermostat is the likely cause.
you also need to think that as the engine has over heated this could have caused the head gasket to fail so this will need looking at to if after changing the thermostat you have the same over heating problem.
so replace the thermostat as this has clearly gone and then when you re-fill the coolant make sure any bleed screws are undone if you have any on your coolant system usually located in one of the top hoses running around the engine, (not all coolant systems have one as many are self bleeding so dont worry if you dont see any bleed screws) now when you start filling the coolant up make sure you only trickle the coolant in to prevent any air lock building up in the system.
if you are unsure what you are doing then please leave this to someone who has some idea of the kind of work involved in this type of repair
Posted on Jul 19, 2010
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