Question about 2001 Jaguar S-Type
After you start the car.. check the temp gauge.. if slow to move or stays cool.. you have a stuck thermostat.. as in stuck wide open.. needs replacement.
This also means it takes a very long time if ever to have warm air inside the passenger compartment as the engine never warms enough (during cool weather) to provide hot water to the heater core.
However if the temp gauge reads a proper operating temp.. and you cannot get warm air inside.. you have a control issue with the passenger compartment heating system.
A faulty thermostat will also result in poor performance and poor gas mileage.
Have this checked immediately.. if it were to stick closed suddenly (unlikely) your car could overheat.
This part is not very costly.. labor.. depends on which engine is in this car could take up to an hour to an hour and a half.. they may want to do a coolant flush and replace the coolant.. check belts and hoses while under the hood.
Best of luck
Posted on Apr 02, 2011
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Posted on Jan 02, 2017
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