REMOVAL & INSTALLATION
The blower motor and fan is mounted in the bottom of the heater case. Depending on model and equipment, it may be possible to remove the blower without removing the heater case. If there is insufficient clearance below the case to get the motor and fan free, the case must be removed.
- On Land Cruiser with 1FZ-FE engine, you may need to remove the right side scuff plate to gain access to the motor. Remove the linkage on the lower cover, and then remove the cover while pushing the locking protrusion.
- Disconnect the electrical harness from the blower motor.
- Disconnect the ductwork from the casing if it will interfere with motor removal. The motor may have a smaller, flexible air exchange hose on it; remove it.
- Remove the blower motor fasteners and lower the blower motor out of the heater case.
- Install the motor into the inlet duct. Be sure to position the motor so that the flexible tube can be attached to the motor and connect it. Install or connect any ductwork removed from the heater case.
- Connect the electrical lead.
- On the Land Cruiser with 1FZ-FE engine, attach the lower cover, linkage and scuff plate.
- Check the coolant level. Add if necessary. Run the heater and check for any leaks.
This procedure requires the removal of the A/C evaporator (called the cooling unit). The A/C system MUST be discharged before you remove the cooling unit. Take the vehicle to a certified A/C repair facility to have the A/C system discharged by qualified repair technician. Once the system has been discharged of the refrigerant you may complete the following steps.
- Remove the cooling unit.
- Remove the three retaining screws, and then remove the motor cover.
- Remove the four screws and the three holding springs and separate the heater cases.
- Detach the nut and fan blade assembly.
- Remove the screw and then the blower motor
- Installation is the reverse of removal.
- Disconnect the negative battery cable.
- Remove the rear heater unit from the vehicle.
- Remove the wire harness clamps.
- Remove the screws and clamp securing the case halves.
- Remove the motor attaching screws, and then lift out the motor.
- Remove the nut holding the cage to the motor, and then separate the cage from the unit.
- Attach the cage to the motor with the mounting nut.
- Install the motor into the heater case.
- Install the heater cases together, and then attach the wire harness clamps.
- Install the rear heater unit into the vehicle.
- Connect the negative battery cable.
- Check the operation of the system.