Question about 2002 Chevrolet Impala
2002 Impala just bought toay running hot not quite in the red. Funny smell too. Ac works fine. Runs great! Just bought today so please help! Oh ya coolent levels are good.
Check for a blown head gasket it will sometimes pump air into the heads and make the coolant levels seem fine but in truth they are not and check the water pump for rusted fins make shure the water level sucks down during sharp throtteling of the motor if so the cooling system is fine as far as that goes but where to start
1.) tempature switch located on the motor it tells the ecu when to kick on the cooling fan
2.) fans spin freely without taking force
3.) thermostat it could be stuck closed due to someone at sometime only running water without antifreez and causing the pressure pin to rust and freeze the gate shut
4.) monitor the water levels if they go down suddenly as 1 gallon of water a week or 2 weeks its a bad head gasket you can see this on spark plugs as well
and for most your water pump make shure you get good heat from the heater at low running tempatures and start the car and monitor what the water in the radiator does (while its cold) the water in a car is over 195% and can easily do harm if the car is just warmed up not even close to over heating so you can imagine what it could do at an over heated state
but get the problem fixed or else you can result in blown head gaskets water in the oil piston breakdown do to rust in the piston walls and even worse complete engine failure
Posted on Jul 16, 2009
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Posted on Jan 02, 2017
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