One night i started my 99 mercury grand marquis and the idle was very high and wouldn t kick down.
Grand marquis radiator fan not working.
Ive replaced 2 cooling fan motors with shroud and relay engine coolant temp sensor ive checked and replaced the fuses raidiator and thermostat.
41 of the time it s.
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While there are a variety of reasons your mercury grand marquis is overheating the most common 3 are a coolant leak water pump radiator hose etc the radiator fan or a failed thermostat.
Mercury grand marquis heater is not working repair symptoms blower motor replacement when the blower motor fails the air conditioner and heater may still work and heat or cool may be felt at the vents but the air pressure will be dramatically decreased.
Why wont the radiator fan run on my 2006 mercury grand marquis 5 answers i have changed the thermostat and the cylinder temperature sensor and the car still runs hot and the radiator fan does not come on.
Your mercury grand marquis s radiator fan has one of the most important jobs on the vehicle it is the last line of defense between you and an overheating engine.
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If there is no coolant in your overflow you can refill it by adding more to the overflow reservoir.
Just because the radiator fan is not on does not mean that it is not working.
If the radiator fan is not working it s a serious problem.
99 mercury grand marquis ls cooling fan isn t working 3 answers.
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