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thermostats

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Symptoms of a Bad or Failing Thermostat
Common signs include the temperature gauge reading being very high or changing erratically, engine overheating, and coolant leaks.
How to Buy a Good Quality Heater
In the dead of winter, when the cold air is nipping at your heels, nothing is better than climbing into a nice, toasty warm car. However, having a heater problem like a heater...
How to Buy a Good Quality Thermostat
While many people are familiar with the major parts in their vehicle, there are all kinds of smaller parts that play a vital role as well. The thermostat is one of those parts...
How a Car's Cooling System Works
Have you ever considered the thousands of times explosions occur in your engine? If you're like most people, that thought never enters your mind. Every time a spark plug fires, the fuel and air...
How a Car's Heating System Works
The sun sets, and the air has a chill. You pause to flip your jacket collar up, and you walk briskly to your car door and slide into the driver's seat. Once...
How to Troubleshoot a Faulty Car Thermostat
When you are concerned about the routine maintenance of your car, it is natural to get to a point where you will ask yourself, what is a thermostat? And more importantly,...
How Long Does a Thermostat Last?
No matter what kind of car or truck you drive, it has a thermostat in it. This thermostat is responsible for monitoring and regulating the coolant temperature in your vehicle's engine. If you...
How to Change a Radiator Valve
A radiator valve allows coolant into the radiator in order to cool off the engine once the coolant has reached a certain temperature.
4 Essential Things You Should Know About the Heating and Air Conditioning System in Your Car
When you get into your vehicle, you simply expect the air conditioner or the heater to work when you need them. When something goes wrong with these systems, it can make...

Related questions

Question
Engine Hot A/C turned off message
Overheating can occur if the radiator is partially clogged or if there is a fault with the water pump and/or drive belt. There are other causes of overheating as well. If you schedule an engine overheating diagnostic with a certified...
Question
getting p2181 even after changing the CTS 2007 Audi A4
Hi there - the problem is a failing thermostat. On this Audi, engine management has a "warm-up" profile it expects the thermostat to manage while the engine comes up to temperature. The fact that yours is not reaching correct operating...
Question
thermostat?
It is not uncommon for the temperature gauge to drop when the heater is switched on, especially in colder situations (below 40 degrees f). The thermostat should be able to control the engine temperature in a way that you should...
Question
Heater fan work's. After about. A half hour heat gets less. Fan still works. But no heat.
The lack of heat being generated by your system may indicate a faulty heater core. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this...
Question
Heating/cooling system blowing cold/warm air when it should be warm/hot air
This suggests you may have a clogged heater core. As you know, the heater core circulates warm coolant through it that is used to blow the warm air into the cab via the blower motor. The other possibility may be...
Question
Temperature spiking up after I changed my thermostat trying to get my heater to work.
The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core. As you know, the heater core...
Question
Engine wont reach operating temperature
The first thing to check is to see if the cooling fan clutch is working properly. Start the engine when it is cold and rev the engine up to 1500 rpm and listen to the cooling fan to see if...
Question
Exactly where is my thermostat located?
If you follow the lower radiator hose up toward the engine, that lower hose terminates at the thermostat housing. The housing itself is attached to the engine with three relatively small bolts. If you remove those three bolts and the...
Question
95 dodge ram 1500. Just replaced radiator with cap, water pump, fan clutch, and serpentine belt and thermostat and coolant sensor
The thermostat should be put in a pot with a thermometer and heated to 200 degrees. You should see the thermostat open between 180 and 190 degrees. If you see it open then you need to reinstall it into the...
Question
Where is the location of the thermostatic fan switch?
Hi there. The thermostatic fan switch is located under the hood, in the center rear engine area, below valve cover, and is mounted on lower driver side of engine block. The thermostatic fan switch turns on the electric fans when...
Question
Where is the thermostat located on a 2009 Saturn Vue?
The thermostat on your vehicle is located below the throttle body, on the top side of the engine. The hose from the radiator will be connected to its housing, and will likely need to be removed in order to gain...
Question
Over heating
Hello. Thank you for writing in. It sounds like you need to replace the thermostat housing, and possibly the thermostat as well. The temperature gauge on your dashboard is commonly misunderstood. The thermostat and temperature gauge will only give you...
Question
My engine fan is not kicking in, but my temp is between 80 -100. Is my thermostat bad because my check engine light just turned on
This can be caused by a number of things such a faulty thermostat, or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at...
Question
What can I use to seal a crack on the plastic housing to my thermostat
Most thermostat housings that are made of an injection molded plastic are not repairable and will need to be replaced. There is some plastic repair glues out there but do not work very good on these housings.
Question
I have a 2010 Camaro RS with an llt engine. How exactly would I take the thermostat housing off to replace the gasket & o-ring ?
The coolant pipe near thermostat cover will need to be removed for access to thermostat. If you have an aftermarket cold air intake plenum then you may have to remove upper and lower housing thermostat housing to get to the...
Question
How do I know if it is the Water Pump or thermostat that needs replacing?
In your question, you have not stated the "fault" you are experiencing, consequently I will assume it is overheating. If not, please write back in with clarification so that we can best assist you. There are a myriad of causes...
Question
Overheating
The excessive pressure causing the hoses to blow off suggests that your cooling system is not flowing properly and that there is a back up of some kind somewhere in the system. This is generally caused by a faulty thermostat...
Question
Engine overheats to limit
The first thing to check why the engine is overheating is to make sure the cooling system is full. Then have a mechanic like one from YourMechanic pressure test the entire cooling system to see if there are any leaks...
Question
Heater is blowing but not hot. Repaired the hole in the radiator. Why doesn't heat up? 2008 BMW X5
Hello - there are several possible causes for a "no heater function". If the thermostat is not allowing the engine to heat up properly (center of the temp gauge), or there is lots of air still in the coolant system,...
Question
I have an engine code on a 2009 Lincoln Town Car that indicates a bad thermostat sensor or thermostat. Is this time critical to ge
If the engine does not get to operating temperature in a certain amount of time the computer will set a code after two complete drive cycles doing the same thing. This is an indication that the thermostat is stuck partly...

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