remove the radiator, then remove 4 screws that holds the fan ,,done..
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If the radiator or reservoir cap is bad it could cause overheating because the system will not build up the proper pressure. Also the fan clutch could be worn out which would keep the fan from spinning fast enough to cool the radiator.
the fan switch.
open the hood remove the air intake funnel remove the base of the air duck and you will find the blower..
How do you change a fan belt for a 2000 Toyota Avalon
a bad fan control relay
First of all, check the thermostat, the radiator fan, radiator hoses, water pump, radiator leaks. P.s. If you install a radiator fan universal and it don't place really close to the radiator, you can have that problem
In a 1991 Toyota Previa, the heater fan blower is located under the dashboard on the passenger side. You'll need to remove the lower dash panel to access it. The blower motor is typically mounted on the firewall, and you may need to disconnect electrical connections and possibly the blower motor housing to replace or service it.
How to change bulb behind switch of fan Toyota Avenses
fan control relay
yes
fuse box in engine compartament on drivers side.