Corolla 2006-2007

Removal & Installation

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  1. Disconnect the negative battery cable.
    CAUTION
    After Connecting the negative battery cable, wait for at least 1 1 / 2 minutes for the SRS to deplete its energy.

  2.  
  3. Drain the cooling system into a clean container for reuse.
  4.  
  5. Disconnect the heater hoses from the heater core.
  6.  
  7. Discharge and recover the air conditioning system refrigerant.
  8.  
  9. Remove the air bag module and the steering wheel by performing the following procedure:

    Place the front wheels in the straight-ahead position.
     
    At both sides of the steering wheel, remove the screw covers.
     
    Using a Torx® socket, loosen the 2 air bag module-to-steering wheel Torx® screws until the circumference ring catches on the screw case.
     
    Carefully, remove the air bag module and disconnect the electrical connector.
     
    Remove the steering wheel nut.
     
    Using a steering wheel puller, press the steering wheel from the steering column.
     

  10.  
  11. Remove the passenger-s side air bag module by performing the following procedure:

    Remove the glove box-to-instrument panel 2 bolts and 3 screws; then, pull out the glove box and remove it.
     
    Disconnect the passenger-s side air bag module electrical connector.
     
    Remove the 2 passenger-s air bag module-to-instrument panel bolts and nuts. Carefully, remove the air bag module.
     

  12.  
  13. Remove the following items in the following order:

    The front door scuff plates
     
    The cowl side trims
     
    The front pillar garnishes
     
    Remove the 2 lower finish panel bolts and the panel.
     
    Disconnect the hood lock control cable.
     
    Remove the 2 lower insert bolts and the lower insert.
     
    Remove the 2 cluster finish panel screws; then, pry out the panel.
     
    Remove the steering column cover.
     
    Remove the steering column-s combination switch.
     
    Remove the No. 2 heater-to-register duct.
     
    Disconnect and remove the combination meter.
     
    Remove the steering column-to-instrument panel fasteners, the steering column shaft pinch bolt and the steering column.
     

  14.  
  15. Remove the following items in the following order:

    The lower left side panel
     
    The lower right side panel
     
    The shifting hole knob (manual transmission)
     
    The shifting hole bezel (automatic transmission)
     
    The rear console box
     
    Remove the center lower cluster finish panel by prying it out, disconnect the electrical connector and remove it.
     

  16.  
  17. Remove the following items in the following order:

    The stereo opening cover
     
    The lower center finish panel
     
    The air conditioning control panel
     
    Remove the center cluster finish panel by prying it out.
     
    Remove the radio.
     
    Disconnect the instrument panel electrical connectors.
     
    Remove the 4 instrument panel screws and the instrument panel.
     

  18.  
  19. Remove the following items in the following order:

    The heater-to-register duct
     
    The lower defroster nozzle
     
    The No. 1 and No. 2 braces
     
    The reinforcement
     

  20.  
  21. Remove the evaporator housing by performing the following procedure:

    Disconnect the cruise control actuator connector.
     
    Remove the 3 cruise control actuator set bolts.
     
    Using tool No. 09870-00025 (liquid line) and/or 09870-00015 (suction line), disconnect the refrigerant line clamps. Discard the O-rings and plug the openings to prevent contamination.
     
    Remove the tube grommet and the drain hose grommet.
     
    Disconnect the air conditioning amplifier electrical connector.
     
    Remove the 2 air conditioning amplifier nuts and the amplifier.
     
    Disconnect the evaporator housing-s electrical connectors.
     
    Remove the evaporator housing-to-chassis 3 screws, nut and the housing.
     

  22.  
  23. Pull back the carpet and remove the rear heater ducts.
  24.  
  25. Disconnect the wiring harness from the heater housing.
  26.  
  27. Remove the 3 heater housing-to-chassis nuts and the heater housing.
  28.  
  29. Remove the air duct-to-heater housing screw, the 5 clips and the duct.
  30.  
  31. Release the 2 heater core cover clips and the cover.
  32.  
  33. Remove the heater core-to-heater housing screw, clamp and the heater core.

    Click image to see an enlarged view

    Fig. View of the heater/air conditioning assembly and related components-Corolla



    Click image to see an enlarged view

    Fig. Exploded view of the instrument panel and related components-Corolla



    Click image to see an enlarged view

    Fig. Exploded view of the ventilation system, wiring harness and related components-Corolla



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    Fig. Using the special tool to remove the air conditioning refrigerant line clamps-Corolla



    Click image to see an enlarged view

    Fig. Exploded view of the heater core, heater housing, evaporator housing and related components-Corolla

  34.  

To install:

  1. Install the heater core, clamp and the heater core-to-heater housing screw.
  2.  
  3. Install the heater core cover and the 2 cover clips.
  4.  
  5. Install the air duct, the 5 clips and the duct-to-heater housing screw.
  6.  
  7. Install the heater housing and the 3 heater housing-to-chassis nuts.
  8.  
  9. Connect the wiring harness to the heater housing.
  10.  
  11. Install the rear heater ducts and the carpet.
  12.  
  13. Install the evaporator housing by performing the following procedure:

    Install the evaporator housing-to-chassis 3 screws, nut and the housing.
     
    Connect the evaporator housing-s electrical connectors.
     
    Install the 2 air conditioning amplifier nuts and the amplifier.
     
    Connect the air conditioning amplifier electrical connector.
     
    Install the tube grommet and the drain hose grommet.
     
    Using new O-rings, connect the refrigerant line clamps.
     
    Install the 3 cruise control actuator set bolts.
     
    Connect the cruise control actuator connector.
     

  14.  
  15. Install the following items in the following order:

    The reinforcement
     
    The No. 1 and No. 2 braces
     
    The lower defroster nozzle
     
    The heater-to-register duct
     
    Install the instrument panel and the 4 instrument panel screws.
     
    Connect the instrument panel electrical connectors.
     
    Install the radio.
     
    Install the center cluster finish panel.
     

  16.  
  17. Install the following items in the following order:

    The air conditioning control panel
     
    The lower center finish panel
     
    The stereo opening cover
     
    Connect the electrical connector and install the center lower cluster finish panel.
     

  18.  
  19. Install the following items in the following order:

    The rear console box
     
    The shifting hole bezel (automatic transmission)
     
    The shifting hole knob (manual transmission)
     
    The lower right side panel
     
    The lower left side panel
     
    Install the steering column, the steering column shaft pinch bolt and the steering column-to-instrument panel fasteners.
     
    Connect and install the combination meter.
     
    Install the No. 2 heater-to-register duct.
     
    Install the steering column-s combination switch.
     
    Install the steering column cover.
     
    Install the cluster finish panel and the 2 panel screws.
     
    Install the lower insert and the 2 lower insert bolts.
     
    Connect the hood lock control cable.
     
    Install the lower finish panel and the 2 panel bolts.
     

  20.  
  21. Install the following items in the following order:

    The front pillar garnishes
     
    The cowl side trims
     
    The front door scuff plates
     

  22.  
  23. Install the passenger-s side air bag module by performing the following procedure:

    Carefully, Install the air bag module and the 2 passenger-s air bag module-to-instrument panel bolts and nuts.
     
    Connect the passenger-s side air bag module electrical connector.
     
    Install the glove box and the glove box-to-instrument panel 2 bolts and 3 screws.
     

  24.  
  25. Install the air bag module and the steering wheel by performing the following procedure:

    Align the matchmarks and install the steering wheel to the steering column.
     
    Install the steering wheel nut and torque the nut to 26 ft. lbs. (35 Nm).
     
    Carefully, connect the electrical connector and install the air bag module.
     
    Using a Torx® socket, tighten the 2 air bag module-to-steering wheel Torx® screws to 78 inch lbs. (8.8 Nm).
     
    At both sides of the steering wheel, install the screw covers.
     

  26.  
  27. Connect the heater hoses to the heater core.
  28.  
  29. Refill the cooling system.
  30.  
  31. Connect the negative battery cable.
  32.  
  33. Evacuate, charge and leak test the air conditioning system refrigerant.
  34.  

 
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