Grand Marquis Cooling Fan Not Working

Disconnect the plug at the fan supply the wires that go to the fan with 12 volts direct if the fan starts the fan is good if not replace it now if its good follow the system back go to the fan replay check it sometimes you will have 2 or 3 of the same relays in the under hood fuse box just switch them out so that the fan has a good one known to work if this fixes the.

Grand marquis cooling fan not working.

It was working find but now nothin7. 41 of the time it s. My car has 234565 miles. System has freon in it.

Just because the radiator fan is not on does not mean that it is not working. One night i started my 99 mercury grand marquis and the idle was very high and wouldn t kick down. 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. 2003 grand marquis cooling fan will not turn on.

Mercury grand marquis heater not working. Coolant fans not running when ac is turned on. If there is no coolant in your overflow you can refill it by adding more to the overflow reservoir. We will cover the inputs involved as well as the output co.

In this video i will show you how to test an electric cooling fan on a 2003 mercury grand marquis. There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant. Ac compressor clutch engage then it will disengage. 99 mercury grand marquis ls cooling fan isn t working 3 answers.

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. I drove home a few blocks and forgot until the next day when it didn t the same thing. My car has an automatic transmission. Hel read more.

Ive replaced 2 cooling fan motors with shroud and relay engine coolant temp sensor ive checked and replaced the fuses raidiator and thermostat. Diagnosis a word of caution.