Thermostat Replacement on Toyota Corolla?

The thermostat is like a valve ,it opens up to allow the engine coolant to flow through the cylinder block and the radiator.When the temperature rises to a predetermined temperature, Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.So if thermostat is checked faulty,then its always advisable to replace it.


On Toyota Corolla the thermostat housing is located under the distributor. Once removed, the thermostat is right there.

There is a diagram,that will give you better understanding of thermostat.See the image shown below :----

This basic details will help.Thanks.

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If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.

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Replacing thermostat on 1999 Mercury Cougar?

The automotive thermostat is a temperature controlled on and off valve.The thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator.When the temperature rises to a predetermined temperature, Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.
So if thermostat is checked faulty,then its always advisable to replace it.
The details to remove and install the thermostat are as follows :----


The thermostat is fitted in the housing with two bolts.
The diagram and details below will give you better understanding.


Make a note as to which end of the thermostat fits in the housing To install:

This basic details will help.Thanks.

------------------

If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.

For more thermostat related solutions,check the list shown below :----

How to replace Thermostat on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-thermostat-on-acura-car.html

Where is thermostat located on 2006 dodge magnum 3.5L?//

http://repairhelpcenter.blogspot.com/2011/10/where-is-thermostat-located-on-2006.html

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http://repairhelpcenter.blogspot.com/2011/10/thermostat-on-audi-19-tdi.html

How to replace Radiator on Audi and VW car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-radiator-on-audi-and-vw.html

How to Replace a Thermostat.

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-thermostat.html

How to locate Thermostat on Any car model?

http://schematicsdiagram.blogspot.com/2011/12/how-to-locate-thermostat-on-any-car.html

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http://technoanswers.blogspot.com/2011/12/where-is-thermostat-on-audi-a6.html

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http://technoanswers.blogspot.com/2011/12/how-to-replace-thermostat-on-1992-buick.html

How to replace thermostat on 1992 Buick century?

The automotive thermostat is a temperature controlled on and off valve. When the temperature rises to a predetermined temperature, the thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator. Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.
So if thermostat is checked faulty,then its always advisable to replace it.
The details to remove and install the thermostat are as follows :----
Disconnect the negative battery cable.
Drain the cooling system.
CAUTION :--- When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
Some models require you to remove the air cleaner assembly from the throttle body.
Some models with cruise control have a vacuum modulator attached to the thermostat housing with a bracket. It your vehicle is equipped as such, remove the bracket from the housing.
On the 4-cylinder engines, unbolt the water outlet from the thermostat housing, remove the outlet from the housing and lift the thermostat out of the housing. On all other models, unbolt the water outlet from the intake manifold, remove the outlet and lift the thermostat out of the manifold.
Fig. 1: Loosen the clamp securing the hose to the thermostat housing

Fig. 2: Remove the bolts securing the housing, then pull it away.

 

Fig. 3: Make a note as to which end of the thermostat fits in the housing To install:

Clean both of the mating surfaces and run a 1/8 in. (3mm) bead of R.T.V. (Room Temperature Vulcanizing) sealer in the groove of the water outlet.

Fig. 4: Make sure both of the mating surfaces are free of any old gasket material

Install the thermostat (spring towards engine) and bolt the water outlet into place while the R.T.V. sealer is still wet. Tighten the bolts 17-21 ft. lbs. (23-28 Nm) on all but the 2.2L engine. Other engines tighten to 89 inch lbs. (10 Nm).
The remainder of the installation is the reverse of removal. Fill the cooling system, start the engine and top off. Check for leaks after the car is started and correct as required.

For more thermostat related solutions,check the list shown below :----

How to replace Thermostat on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-thermostat-on-acura-car.html

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http://repairhelpcenter.blogspot.com/2011/10/where-is-thermostat-located-on-2006.html

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http://repairhelpcenter.blogspot.com/2011/10/thermostat-on-audi-19-tdi.html

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http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-radiator-on-audi-and-vw.html

How to Replace a Thermostat.

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-thermostat.html

How to locate Thermostat on Any car model?

http://schematicsdiagram.blogspot.com/2011/12/how-to-locate-thermostat-on-any-car.html

Where is thermostat on Audi A6?

http://technoanswers.blogspot.com/2011/12/where-is-thermostat-on-audi-a6.html

Where is thermostat on Audi A6?

The automotive thermostat is a temperature controlled on and off valve. When the temperature rises to a predetermined temperature, the thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator. This flow is crucial to maintain optimum operating temperature for fuel efficiency, enhanced driveability, and engine protection. The coolant flow is reduced when the engine is cold, and the flow is increased when the engine is hot. Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.
To replace thermostat on Audi A6 model.The Thermostat is behind the timing belt. Usually it is replaced along with the timing belt job at about 75K miles. As a stand alone job on a 2.8L V-6 it should be about a 3 hour job and maybe $40 for the thermostat, and about $20 for coolant.

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For more thermostat related solutions,check the list shown below :----

How to replace Thermostat on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-thermostat-on-acura-car.html

Where is thermostat located on 2006 dodge magnum 3.5L?//

http://repairhelpcenter.blogspot.com/2011/10/where-is-thermostat-located-on-2006.html

Thermostat on AUDI 1.9 TDI?

http://repairhelpcenter.blogspot.com/2011/10/thermostat-on-audi-19-tdi.html

How to replace Radiator on Audi and VW car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-radiator-on-audi-and-vw.html

How to Replace a Thermostat.

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-thermostat.html

How to locate Thermostat on Any car model?

http://schematicsdiagram.blogspot.com/2011/12/how-to-locate-thermostat-on-any-car.html