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When your engine is at an idle the heater is cool Going down the road it is warm Temp gauge is at 200F Is it the water pump?
Wiki User
∙ 16y ago
Probably not water pump failure the temperature is building up with more engine load, cause-> combustion pressure and heat is transfering into the cooling system in relation to engine load. most likely; 1)blown head gasket 2)cracked head 3)cracked block, or possibly faulty thermostat. check compression. RK
Wiki User
∙ 16y ago
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How do you fix the heat in a 94 Chevy S-10?
add water to the radiator. believe that. if there is no water flowing through the engine, your heater will only blow cold air. if there is no water flowing through the engine and your heater is only blowing cold air, and not HEATING, your heater core is probably going out or will be soon. most people believe that if you have no water in the engine then your temperature gauge will run hot and you will know that you are overheating the engine. WRONG! your temp gauge only measures WATER temp. But if there is no water to measure, there is no temperature rise showing on the dashboard gauge. if you have NO WATER in the engine you can seriously overheat your engine and not know it because the gauge is not getting any hotter than usual (sometimes your gauge will even read cooler than usual).
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To bypass the heater core you need to remove the two water hoses going through the firewall from the engine compartment to the heater core and connect them together so that the water loops around back to the engine.
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A malfunctioning thermostat can cause your temperature gauge to go up and then allow the gauge to go all the way down. When the thermostat is stuck closed, your engine will overheat and water will not get to your heater core. When the thermostat opens the engine cools down and water flows to the heater core.
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What is wrong if a 96 Contour with a 2.0 Liter engine temp gauge is showing the engine heating up after 5 minutes but the heater is blowing cool air?
You need to add water to the radiator, the water level is too low and it can not cool the engine. The heater does not have enough water to heat to blow hot air. Add water now!first check your coolant/antifreeze if it does actually have heat after normal driving maybe 15 minutes it could possibly be your gauge ANSWER Actually, this problem occurs when the water pump has either failed or the belt to the water pump has separated, usually because the pulley on the water pump has disintegrated. Coolant flows through the heater core which provides hot air to the cabin, so when the water pump isn't working, the heater will blow cold air while at the same time the engine will overheat.
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replace your heater hoses going into and out of the heater core. One of them is probably split.
Why does heater work only when your car is idle?
I am going to assume that you are pondering why the heater only maintains heat while the engine is running. The answer is quite simple. The engine uses a combination of anti-freeze and water to help keep it cool. The water is circulated by a water pump. The hot water moves through the heater core, which is a small radiator. The blower draws air through the fins of the heater core and heat is pulled from it. The water pump is usually belt driven, and the engine must be on in order for the coolant to circulate.
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The heater coil and a heater core is the same thing. Hot water circulates from the engine and through the heater core then back to engine generating heat for your heater system.
Do you bleed a Toyota Previa radiator when you replace one?
fill up the system turn heater knob all the way to hot and run engine and keep your eyes on the temp gauge don`t let it overheat what you doing is getting the air out of the heater core when gauge started to clinb to much turn engine off and wait about 10 minutes be careful at this time put more coolant in reservoir (you can do this on a hot engine as that is water but antifreezze).run engine again the reason for doing this is because the heater core is mounted abovedthe engine
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My Altima had that problem and it was the water pump going out. It started with temperature gauge was moving, but then it started leaking and finally the heater stopped being warm at idle.
2000 2.7L Dodge Intrepid After the car warms up the heater works only when you are driving the car when you are parked engine still running the heater blows cool air. Where is the thermostat located.?
Either the water pump is unable to pump the warmed water into the heater core, or as you suspect, the thermostat may be sticking open. Do you have a temperature gauge or is it just a light that tells you when you're overheated? If it's a gauge, you should be able to tell when the engine is warm. If the temperature is much over 100 degrees F, you should be able to get heat out of the heater core. I'd be real suspicious of the water pump or possibly low coolant level.
What gauge wire and amp breaker do you use on a stove dryer and hot water heater?
A stove is a two pole 50, and hot water heater i would recommend the same.
