what causes car to not have heat
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What causes brakes to overheat? Answer   no coolant or you have a bad thermostat and or bad water pump . msmaylum@aol.com   Answer   Coolant could be low. Thermostat could be broken. Water p…ump or fan may not be working.     Answer : CAR OVER HEAT     TURN ON YOUR HEATER; OPEN YOUR VENTS TO HELP COOL DOWN YOUR ENGINE.
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- A: A bad radiator pressure cap could be causing the car to overheat. By keeping pressure on the cooling system, the pressure cap increases the boiling point of the antifreeze. If the pressure cap is not working properly, the engine could overheat.
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- The heating of the car is the same as the heating of the Earth due to the greenhouse effect--- the sun shines through the glass depositing very energetic photons whose equilibrium temperature is 5000 degrees, but the interior surfaces reradiate that light as photons whose temperature is at the interior temperature.
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Reasons Why Your Car Is Overheating You can test this by letting your car idle long enough for the engine to heat up. If you've been having an overheating problem in traffic, keep an eye on your temperature gauge. When it starts creeping into the danger zone, look under the hood to see if your electric fan is running.
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- Read your manual. It states not to use any type of cover on the heated seats or overheating can occur.
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Why would a car only overheat when driving on highway not when driving around town? A pressure test of the cooling system usually will show a leak. Especially if you notice fluid under the car after driving.   A weak lower radiator hose could collapse at highway speeds but not lesser speeds around town.   The most likely cause is a plugged radiator.
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- A heater can stop working for a number of reasons, including: •A low antifreeze/water level in the radiator due to a leak in the cooling system. •A bad thermostat that isn’t allowing the engine to properly warm up. •A blower fan that isn’t working properly.
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Why would a transmission overheat and not an engine? Add your answer. Why would a transmission overheat and not an engine? engine temp is consist and low tranny fluid turns brown in like two weeks , then i go to change it and it looks like its overfilled even thugh i made double sure it was to the specification on the dip stick. Add your answer.
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Reasons Why Your Car Is Overheating If you have an electric cooling fan that isn't coming on, this can cause your engine to overheat. The electric cooling fan draws cooler air through your radiator when your car isn't going fast enough to ram it through from the front. You can test this by letting your car idle long enough for the engine to heat up.
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VWVortex I just bought a car and it has a bad oxygen sensor. I was driving it today and the water temp guage started to blink red, like my car was overheating.I pulled over and poped the hood. Nothing in my engine was smoking or extremely hot and it is about 40 degrees outside.Is my car acutally overheating or is it possible that the watertemp light just blinke red. Matt BTW. was driving it today and the water temp guage started to blink red, like my car was overheating. I pulled over and poped the hood.
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car runs hot even after new water pump, radiar flush, new thermostat, Make sure the car has a proper 50/50 mixture of coolant and water. Use an antifreeze tester. The cooling system on the 3.5 has an odd thermostat design that requires hot water returning from the heater core to open the thermostat. A clogged heater core can prevent the thermostat from opening and cause the car to overheat. Flush heater core separately and recheck the car.
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Is the broken heat sensor the cause of the car to over heat? Best Answer: no..a sensor is just a sensor..if it's broken,it may show as your car is overheating,but it's not. If your car is really over heating,check for leaks in your radiator or change you thermostat. broken heat sensor will not allow the proper amount of cooling water to flow into the engine. You should replace it ASAP before blowing the cylinder head gasket. Alternatively check the cooling water level on your car. (dont try this when the engine is hot).
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Overview This is a common cause of heat-related deaths in children. When parked in the sun, the temperature in your car can rise 20 degrees F (more than 6.7 C) in 10 minutes. It's not safe to leave a person in a parked car in warm or hot weather, even if the windows are cracked or the car is in shade.
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Is the broken heat sensor the cause of the car to over heat? Report Abuse. A heat sensor can be one of three things on a vehicle 1. Temperature sender unit-this is the sensor that transmits a signal due to varying resistance to the actual gauge on the dash which then gives you and estimate of the temperature of the coolant in the engine 2. broken heat sensor will not allow the proper amount of cooling water to flow into the engine. You should replace it ASAP before blowing the cylinder head gasket. Alternatively check the cooling water level on your car. (dont try this when the engine is hot).
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- Sounds like you have an idle valve that is not working. You could try to remove it and clean it real good. 12-6-11I have a 2000 Chevy Impala 3.8 and my heat get hot when riding in my neighbor but only blow out warm air when riding on the highway. What can I do to make my heater blow hot air at all time.heck all fuses, then check with a test light that the injectors are getting a signal to fire. 12-27-11Have a 1995 Chevy Berreta 3.1 running rich can't get the service engine light to go off. I have replaced plugs,fuel filter,&amp; regulator egr valve,air filter cleaned port in intake that goes to EGR. Any ideas.
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- Can no antifreeze cause no heat in a vehicle?   Yes, if your vehicle is low on antifreeze, there may not be enough to fill the heater core, and you wont get any heat. When the heat stops working in your car, antifre…eze/coolant should be the first thing you check.
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Reasons a Car Will Overheat Heated engine coolant passes through to the radiator when the thermostat is in the open position. In the closed position, it prevents the flow of coolant to speed up the warming of a cold engine. When the thermostat gets stuck in the closed position, coolant stays in the engine and quickly becomes overheated, resulting in engine overheating.
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Why does my car heater smells like anti-freeze? Your car heater contains a loop that splits off the circulating coolant (anti-freeze) in your engine. There’s generally an adjustable valve that controls how quickly the coolant flows through. If well designed, there’ll be some heat fins on the outside of it to help transfer heat to passing air efficiently.
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Why would a car only overheat when driving on highway not when driving around town? If the car has sit for any length of time a mouse or rat may have built a nest in the muffler or exhaust pipe. This causes back pressure to build up at highway speeds but not at short low speed in town driving. If one of the other ans did not fix the problem this is worth a shot.   another possibility is a blown or leaking head gasket.
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- A lean fuel mixture will overheat your car. If your engine runs lean you can chase your tail looking for problems in the cooling system and never figure it out. The easy way to do this is richen your jetting a couple of steps. If the overheating is better, you're on the right track.
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Advice to Keep Your Car Running Safely Another leak can occur at the Heater Core which mostly happens due to a lack of antifreeze in the system. The antifreeze acts as a coolant in the summer as well. Of course, the water pump can also leak at the seal, which also deteriorates.
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Causes of Engine Coolant Leak The air cools the coolant down before it enters the hot engine once more. Coolant also moves from the car's engine to the heater core, which provides warm air for the vehicle's occupants during cold weather. A coolant leak if unchecked can cause the car's engine to heat up enough to cause severe engine damage.
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Car Heater Not Working - Troubleshooting Repair Tips However the Vacuum fill system by FJC can be used to fill cooling systems and eliminates air being trapped by using vacuum and the coolant is drawn into the system. The link to our car repair article with more tips and tools mentioned in the video is here-http://blog.wiseautotools.com/car-hea...
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Why Does My Car Have No Heat? If your radiator is very low on coolant, you'll get no heat. If your levels are ok, you either have a bad water pump or a thermostat that isn't opening. If your car has not been overheating or running hot, your water pump is not the culprit. It sounds like you are dealing with a failed thermostat. The thermostate opens and closes circuits in the cooling systems as the engine heats up.
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Diagnosis of overheating in a V8 Petrol Land Rover The radiator must be filled with clean coolant of the correct type. Filthy old coolant should be flushed before proceeding with diagnosis. If the coolant is contaminated with oil you need to find the reason before proceeding. The most common cause in a Land Rover is leakage from the oil cooler into the radiator.
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How Your Carâs Heater Works (Or Doesnât) 1 Replacing the thermostat would fix the problem. 2  No heat, but normal engine temperature and coolant level. 3  In this case, the door which is supposed to open and let air through the heater core may be stuck closed. 4  Hot air, but little or no airflow, even with the fan on its highest setting. 5  Your blower fan may be broken.