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Front Heater Unit: Removal

  1. 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.
  2. 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.

  3. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY 
    1. Remove the instrument panel safety pad (see REMOVAL ).
      Fig 1: Locating Water Hoses
      G05284217Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY 
  5. REMOVE FRONT COOLING UNIT (See  REMOVAL   ) 
  6. REMOVE LOWER DEFROSTER NOZZLE 
    1. Remove the lower defroster nozzle.
      Fig 2: Identifying Lower Defroster Nozzle
      G05284218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE HEATER UNIT 
    1. Disconnect the connector.
    2. Remove the 4 nuts and heater unit.
      Fig 3: Identifying Heater Unit Nuts
      G05284219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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