Disconnect battery.
Remove glovebox.
Remove heater control panel.
Disconnect wiring from blower motor.
Remove three screws that hold blower motor in place.
Remove blower motor.
Remove blower motor resistor if necessary.
Installation is the reverse of removal.
Here are some additional tips:
* Make sure the vehicle is in Park.
* Disconnect the battery to prevent any electrical accidents.
* Remove the glovebox to access the blower motor.
* Remove the heater control panel to access the blower motor.
* Disconnect the wiring from the blower motor.
* Be careful not to drop any of the screws that hold the blower motor in place.
* Remove the blower motor from the vehicle.
* Remove the blower motor resistor if necessary.
* Installation is the reverse of removal.