Question about 2002 Jaguar XJ8

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Fan runs louder and longer than usual

After having some work done on the car the fan now runs louder and longer than usual

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The thermostat is more than likely failed or the water pump. plastic impellor has broken, the easy way to test is to feel the radiator if engine hot radiator cold the coolant is not circulating, the favourite is the thermostat easy to change, common problem.the fan is controlled by the ecm, the sensor being in the engine. not the rad,

Posted on Mar 22, 2014


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