Having problems with your 2002 Jaguar S-Type ?

Why does the engine fan NOT turn off on my 2002 Jaguar S Type 4.0 liter? It runs for several minutes after turning the car off and will come on while driving. I just replaced the sensor and it is still doing this. The temperature gauge shows normal the fluid level is correct. No one seems to have an answer for this problem.

Posted / edited by AnonymousUser on : 24-01-2022

Answers :

It would not be abnormal, so long as the fan does not come on when you \015\012switch on from cold. The fan's job is to draw air through the radiator \015\012to cool the contained liquid to a suitable working temperature. The fans\015\012 sensor is activated by the temperature of the coolant. If this is a \015\012problem which worries you, try driving\015\012 as gently and slowly as possible for the last mile or two of your \015\012journey. If things are normal the fan should not run on switch-off as \015\012that 'trick' will have allowed the coolant to get below the fan-kick-in \015\012temperature before you stop the engine. If your vehicle has a \015\012temperature gauge use the rteading as an indication.
This is normal operation for this car. When you stop the engine and there is no more natural air flow being pushed through the radiator, the temperature rises. The fan is kicked on to keep the temperature down and excessive heat from cracking the heads or doing any gasket damage. It keeps the fan running until it gets down to the preprogrammed temperature and then disengages the relay to turn the fan off. The fan will also turn on while driving when it reaches a predetermined temp.. This fan will also turn on high when the A/C is engaged to keep the excessive temperatures due to an extra load on the engine by driving an accessory. Enjoy your Jaguar. Keep the old sensor as a back up.
Repair Help & Product Troubleshooting for 2002 Jaguar S-Type

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