Front Heater Unit: Removal

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPES
1. Using pliers, grip the claws of the clip and slide the clip to detach the water hose.
2. Disconnect the water hoses from the heater radiator pipes.
  HINT:
  
  Collect the engine coolant in a container.
  
  Fig 1: Disconnecting Water Hoses From Heater Radiator Pipes
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. At the time of installation, refer to the following items.
    HINT:
    - 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.
      
      Fig 2: Installing Hose Clip In Position
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY
1. Remove the instrument panel safety pad (see REMOVAL ).
REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY
REMOVE FRONT COOLING UNIT (See REMOVAL )
REMOVE LOWER DEFROSTER NOZZLE
1. Remove the lower defroster nozzle.
  
  Fig 3: Removing Lower Defroster Nozzle
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE HEATER UNIT
1. Disconnect the connector.
2. Remove the 4 nuts and heater unit.
  
  Fig 4: Removing Heater Unit Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002