Lexus RX400h, Hybrid 3 2006

Heater Core

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Rear No. 2 deck board
     
    Rear floor finishing plate
     
    Backdoor weatherstrip
     
    Right-hand deck side trim box
     
    Rear door scuff plate
     
    Rear door right-hand weatherstrip
     
    Right-hand deck trim side panel
     

  4.  
  5. Using pliers, disconnect the rear heater hoses.
    NOTE
    Prepare a drain pan to catch any coolant overflow.



    Click image to see an enlarged view

    Fig. Disconnect the heater hoses from the rear heater assembly.

  6.  
  7. Remove or disconnect the following:

    Rear foot air duct
     
    Rear air duct No. 5
     
    Rear heater assembly
     
    Heater core from the rear heater assembly
     

  8.  
  9. Installation is the reverse order of removal. Tighten the rear heater assembly mounting bolts to 87 inch lbs. (10 Nm).
  10.  

 
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