Front Heater Unit: Removal

WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN ENGINE COOLANT FROM RADIATOR
HINT:

It is not necessary to drain out all coolant.
DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPES
1. Using pliers, grip the claws of the hose clip and slide the clip along the hose.
2. Disconnect the water hoses from the heater radiator pipes.
Fig 1: Disconnecting Water Hoses From Heater Radiator Pipes
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

At the time of installation, refer to the following items.
- Push the water hose onto the heater radiator pipe to the second ridge on the pipe.
- Install a hose clip in the position as shown in Fig 2 .
REMOVE INSTRUMENT PANEL AND REINFORCEMENT (See REMOVAL )
REMOVE FRONT COOLING UNIT (See REMOVAL )

Fig 2: Identifying Hose Clip Installation Position
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE HEATER UNIT
1. Remove the lower defroster nozzle.
  
  Fig 3: Removing Lower Defroster Nozzle
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the connector.
3. Remove the 4 nuts and heater unit.
Fig 4: Removing Heater Unit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002