Question about 1996 Ford Taurus
Hi, when you say over heats are saying that the temperature gauge is in the red and the water is boiling or does the temp stay in the normal position, let me know ok.
if the temp gauge is not going into the red and the car cuts out at normal running temp then i would say the problem is the oxygen sensor.
How ever if the car is over heating then it could be down to one of the following problems.
so as you have had the therm changed then the first thing i would suggest is that you may have an air lock, this would cause the problem your having.
to remove an air lock you need to do the following: drain out the coolant thats in their then if you have a bleed screw in one of the top hoses running round the engine then you need to undo this ( if you dont have one then its a self bleed system so dont worry if you cant find one).
now when you put the water/coolant back in you need to trickle it in very slowly it may take a while but doing this ensures you are not forcing air into the coolant system, so keep trickling the water in until its coming out of the bleed screw, if it comes out the bleed screw keep topping it up for about 5 min so as the air can be bled out then do bleed screw up and fill to max mark (if you dont have bleed screw then trickle the water in until max mark)
Now dont put the coolant cap on just yet, run the engine with the cap off until the engine temp is in the normal range on the temp gauge, then put the coolant filler cap back on then give the car a run and see if it still over heats or not.
If after doing that it still over heats then you will have one of the following problems.
1. a water leak from cracked hose or whole in the rad or leaking water pump will cause it to over heat as you will be getting air in the system, so have a good look for any signs of water leaking around the rad and all the hoses and also where the casing is where the water pump is.
2. the water pump could be failing and need replacing over time these corrode causing the coolant to pump at a slower rate and could be causing the problem your having.
3. now worse case is this, if the thermostat caused the engine to over heat then this could have caused the head gasket to fail now when your engine gets hot the gasket could be letting engine gasses into the coolant system and does cause over heating, now you can check your oil for signs of water it will look like mayonaise type substance so check the oil filler cap and the oil measure stick for signs of this any white substance would mean head gasket failure.
you may also need to get a sniff test done to test if the head gasket has gone most garages can do this for you its a tool that fits into the coolant filler bottle and you then run the engine and **** air through the tool if engine gasses are present it turns the liquid from a blue to a green showing you the head gasket has gone and will need replacing.
you can buy the test kit yourself from most car spares shops if you wanted to check yourself.
I hope i have given you some idea of the problems that cause over heating have a look and see what you find out.
let me know how you get on or if you need further assistance ok
Posted on Jul 10, 2010
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Posted on Jan 02, 2017
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