Temp gauge is reading hot however there isnt the typical steam coming from the engine when it says it is overheating.. and there is no heat coming from heater , blower works
I WAS DRIVING TO WORK AND MY CAR STOPPED ... I WAITED FOR A WHILE AND THEN TURNED IT BACK ON AND IT CAME BACK ON BUT THEN AFTER A WHILE STOPPED AGAIN ... THE TEMP GAUGE WAS READING (HOT). DOES ANY ONE KNOW WHAT COULD BE THE PROBLEM AS IT WASN'T STEAMING OR ANY THING AND I CHECKED THE COOLANT THERE WAS ENOUGH ....
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use a termo laser to check temp of coolant at filler cap ,with cap off run vehicle till you have hot heat coming out of your heater then check with laser. if it reads above 140 then you know 2 things . either the therm sensor is going bad or the temp gauge is bad , make sure the radiator fans come on ,if they do and you have good heat then you have bad gauge.
no heat engine running hot sound like faulty thermostat which is sticking closed.if thermostat stuck closed no coolant can circulate through the engine block and radiator causing no heat condition and engine overheating.replace thermostat and radiator pressure or surge tank over jug cap see what happens.
try the thermostat, located on the top radiator hose. top side of engine. also does it steam?? does it lose water but no leak, does the heat blow hot? if your heat isnt hot and it steams and loses water you may have a cracked head or head gasket. if you have heat, doesnt lose water and doesnt steam it may also be your water pump. most pumps will leak visibly from the weep hole when running
Does the engine over heat or the gauge goes to hot. Really hot. Since the A/C is on , this puts an extra load on the engine. This is why the fans come on when the A/C is turned on. This is usually low speed fan mode. High speed doesn't come on untilll 220 to 230 degrees. Most vehicles. Cars don't over heat untill the gauge gets in the red, when it starts getting close is time to worry and stop. I guess the question to you would be, What does the temp gauge read?
The first thing you should do is to check your coolant level and check for leaks.
I assume you mean the internal heater isn't getting very hot-If the temp gauge is reading correctly and there is no engine overheating then the thermostat and radiator is working correctly, so if the coolant level is OK there is either an airlock or the heater matrix is blocked or the heater valve is not opening. You will need to have the system pressure tested at a garage. In any event it will probably need to be drained to fix the problem.
I hope I have been of help but please do not hesitate to ask if you have any further questions.
try the thermostat first if its not that SELL IT lol the head gaskets can cause it to over heat so will cracked or warped heads if you drive it to long overheating ( if it is ) you can do alot of damage to the engine GET IT LOOKED AT this can some times be very costly to fix
Check your rear coolant lines, These lines always rust and start leaking coolant and thats why your engine over heats and you dont get any heat inside your car. This is a common problem with kia sedona that have rear A/C and Heater. There are two fixes to this problem. The first is to replace the rear heater coolant lines with the updated lines from kia. The second will be bypassing the rear coolant lines with a hose, however the rear heater will not work with this method.
removing the rear coolant lines is not that easy. The lines near the fire wall are really hard to remove. Its also much easier to replace the lines with the car on a hoist.
hope that helpfull