Saturday, December 10, 2011

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:
Click image to see an enlarged view


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 :----