Altima 2007-2009

Removal & Installation

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  1. Remove the heater and cooling unit assembly, as outlined in this section.
  2.  
  3. Remove the expansion valve.
    WARNING
    Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

  4.  
  5. Remove the blower unit.
  6.  
  7. Remove the heater and cooling unit foot duct RH.
  8.  
  9. Remove the air mix door motor RH.
  10.  
  11. Remove the evaporator cover.
  12.  
  13. Remove the evaporator. Matchmark and remove the intake sensor.
    NOTE
    Mark the mounting position of the intake sensor.



    Click image to see an enlarged view

    Fig. Exploded view of the heater & A/C unit and related components, including the evaporator



    Click image to see an enlarged view

    Fig. View of the evaporator

  14.  

To install:

  1. Installation is the reverse of the removal procedure, noting the following:
    1. Tighten the expansion valve mounting bolts to 26-44 inch lbs. (2.9-5.0 Nm).
    2.  
    3. Replace the O-rings with new ones, then apply compressor oil to them when installing them.
    4.  

  2.  

 
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