Nissan Titan 2004-06

Removal & Installation

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Fig. Front heater/AC assembly

  1. Discharge the A/C system.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Cowl top extension
     
    Exhaust system
     
    Front heater hoses
     
    High/Low pressure pipes
     
    Instrument and console panels
     
    Steering column
     
    Instrument panel wiring harness
     
    Steering member from body
     
    Heater assembly
     

  6.  

To install:

  1. Install or connect the following:

    Heater assembly
     
    Steering member
     
    Instrument panel wiring harness
     
    Steering column
     
    Console panel
     
    Instrument panel
     
    High/Low pressure pipes
     
    Heater hoses
     
    Exhaust system
     
    Cowl top extension
     

  2.  
  3. Refill the cooling system.
  4.  
  5. Recharge the A/C system.
  6.  



Click image to see an enlarged view

Fig. Front heater/AC assembly



Click image to see an enlarged view

Fig. Exploded view of the Instrument Panel

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Discharge the A/C system.
  4.  
  5. Drain the cooling system.
  6.  
  7. Remove or disconnect the following:

    Right and left wiper arms
     
    Cowl top seal
     
    Left and right-hand cowl top covers
     
    Cowl top extension brackets
     
    Wiper motor and connecting rod linkage
     
    Windshield washer tube
     
    A/C low pressure pipe bracket from the cowl top extension
     
    Drain tube from each side of the cowl top extension
     
    Cowl top extension
     
    All necessary exhaust system components
     
    Front heater hoses from the heater core
     
    High/Low pressure pipes
     
    Center console
     
    Steering column
     
    Gauge cluster
     
    Defroster grille
     
    Left-hand side ventilator assembly
     
    Right-hand assist grip and windshield trim
     
    Passenger air bag module
     
    Instrument and console panels
     
    Instrument panel wiring harness
     
    Steering member from each side of the vehicle body
     

  8.  
  9. Remove the heater assembly from the vehicle, attached to the steering gear assembly.
  10.  
  11. Remove the heating and cooling unit assembly from the steering assembly.
  12.  
  13. Remove the four bolts and remove the upper bracket.
  14.  
  15. Remove the four bolts and remove the heater core cover.
  16.  
  17. Remove the heater core pipe bracket.
  18.  
  19. Remove the heater core.
  20.  
  21. Installation is the reverse order of removal.
  22.  
  23. Refill the cooling system.
  24.  
  25. Recharge the A/C system.
  26.  

 
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