Nissan Car Altima & Sentra 1999-06

Removal & Installation 2

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Maxima



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery terminal.
  4.  


CAUTION
After disconnecting the negative battery cable, wait for at least 3 minutes for the SRS modules to deplete its energy.

  1. Drain the cooling system into a clean container for reuse.
  2.  
  3. Remove the air bag module and steering wheel by removing or disconnecting the following:

    Place the front wheels in the straight-ahead position
     
    Lower lid and disconnect the air bag electrical connector at the bottom of the steering wheel
     
    Side lids from both sides of the steering wheel
     
    Torx® bolts using a Torx® wrench T50 from both side of the steering wheel; then, discard the bolts
     
    Air bag module from the steering wheel
     
    Steering wheel nut
     
    Steering wheel from the steering column using a suitable puller
     

  4.  
  5. Disarm the passenger-s side air bag by removing or disconnecting the following:

    Glove box lid
     
    Passenger-s air bag electrical connector
     

  6.  
  7. Remove the instrument panel by removing or disconnecting the following:

    Upper and lower glove box screws and remove the glove box
     
    Lower instrument panel screws and the panel at the driver-s side
     
    Knee protector screws and the knee protector
     
    Steering column cover screws and the cover
     
    Combination switch-to-steering column screws, disconnect the electrical connector and the combination switch
     
    Cluster lid -A- screws and the lid
     
    Combination meter screws, disconnect the electrical connectors and the combination meter
     
    Center ventilator with the switch panel using a suitable prytool
     
    Cover plate (automatic transmission) or the shifter cover plate (manual transmission)
     
    Ashtray
     
    Upper and lower audio/air conditioning control unit assembly screws and the assembly
     
    Console box screws and the console box (under the shifter cover plate); be sure to remove the rear screws
     
    Front pillar garnish
     
    Left and right lower cover and the center lower cover at the instrument panel dash
     
    Defroster grille
     
    Instrument panel-to-chassis nuts/bolts and the instrument panel
     

  8.  
  9. Remove or disconnect the following:

    Rear heater ducts
     
    Side ventilator ducts
     
    Center defroster duct and the center ventilator duct
     
    Heater housing-to-chassis fasteners and remove the heater housing
     
    Heater core from the heater housing
     

  10.  


    Click image to see an enlarged view

    Fig. Exploded view of the air bag module and steering wheel-Maxima



    Click image to see an enlarged view

    Fig. Exploded view of the instrument panel, console and related components-Maxima



    Click image to see an enlarged view

    Fig. Exploded view of the heater housing, evaporator housing, ventilator system and related components-Maxima


To install:

  1. Install or connect the following:

    Heater core to the heater housing
     
    Heater housing and the heater housing-to-chassis fasteners
     
    Center ventilator duct and the center defroster duct
     
    Side ventilator ducts
     
    Rear heater ducts
     

  2.  
  3. Install the instrument panel by installing or connecting the following:

    Instrument panel and the instrument panel-to-chassis nuts/bolts
     
    Defroster grille
     
    Left and right lower cover and the center lower cover
     
    Front pillar garnish
     
    Console box and the console box screws under the shifter cover plate; be sure to install the rear screws
     
    Audio/air conditioning control unit assembly and the upper and lower assembly screws
     
    Ashtray
     
    Cover plate (automatic transmission) or the shifter cover plate (manual transmission)
     
    Center ventilator with the switch panel
     
    Combination meter, connect the electrical connectors and the combination meter screws
     
    Cluster lid -A- and the lid screws
     
    Combination switch, connect the electrical connector and the combination switch-to-steering column screws
     
    Steering column cover and the cover screws
     
    Knee protector and the knee protector screws
     
    Lower instrument panel and the panel screws on the driver-s side
     
    Glove box and the upper and lower glove box screws
     

  4.  
  5. Arm the passenger-s side air bag by installing or connecting the following:

    Passenger-s air bag electrical connector
     
    Glove box lid
     

  6.  
  7. Install the air bag module and steering wheel by installing or connecting the following:

    Steering wheel to the steering column
     
    Steering wheel nut and torque it to 22-29 ft. lbs. (29-39 Nm)
     
    Air bag module to the steering wheel
     
    Torque the new Torx® bolts (using a Torx® wrench T50), at both side of the steering wheel to 11-18 ft. lbs. (15-25 Nm).
     
    Side lids to both sides of the steering wheel
     
    Air bag electrical connector and install the lower lid at the bottom of the steering wheel
     

  8.  
  9. Refill the cooling system.
  10.  
  11. Connect the negative battery terminal.
  12.  
  13. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
  14.  

Removal And Installation
  1. Disconnect the negative battery terminal.
    CAUTION
    After disconnecting the negative battery cable, wait for at least 3 minutes for the SRS modules to deplete its energy.

  2.  
  3. Drain the cooling system into a clean container for reuse.
  4.  
  5. Remove the air bag module and steering wheel by removing or disconnecting the following:

    Place the front wheels in the straight-ahead position
     
    Lower lid and disconnect the air bag electrical connector at the bottom of the steering wheel
     
    Side lids from both sides of the steering wheel
     
    Torx bolts using a Torx wrench T50 from both side of the steering wheel; then, discard the bolts
     
    Air bag module from the steering wheel
     
    Steering wheel nut
     
    Steering wheel from the steering column using a suitable puller
     

  6.  
  7. Disarm the passenger-s side air bag by removing or disconnecting the following:

    Glove box lid
     
    Passenger-s air bag electrical connector
     

  8.  
  9. Remove the instrument panel by removing or disconnecting the following:

    Upper and lower glove box screws and remove the glove box
     
    Lower instrument panel screws and the panel at the driver-s side
     
    Knee protector screws and the knee protector
     
    Steering column cover screws and the cover
     
    Combination switch-to-steering column screws, disconnect the electrical connector and the combination switch
     
    Cluster lid -A- screws and the lid
     
    Combination meter screws, disconnect the electrical connectors and the combination meter
     
    Center ventilator with the switch panel using a suitable prytool
     
    Cover plate (automatic transmission) or the shifter cover plate (manual transmission)
     
    Ashtray
     
    Upper and lower audio/air conditioning control unit assembly screws and the assembly
     
    Console box screws and the console box (under the shifter cover plate); be sure to remove the rear screws
     
    Front pillar garnish
     
    Left and right lower cover and the center lower cover at the instrument panel dash
     
    Defroster grille
     
    Instrument panel-to-chassis nuts/bolts and the instrument panel
     

  10.  
  11. Remove or disconnect the following:

    Rear heater ducts
     
    Side ventilator ducts
     
    Center defroster duct and the center ventilator duct
     
    Heater housing-to-chassis fasteners and remove the heater housing
     
    Heater core from the heater housing

    Click image to see an enlarged view

    Fig. Exploded view of the air bag module and steering wheel-1999-01 Maxima



    Click image to see an enlarged view

    Fig. Exploded view of the instrument panel, console and related components-1999-01 Maxima



    Click image to see an enlarged view

    Fig. Exploded view of the heater housing, evaporator housing, ventilator system and related components-1999-01 Maxima

     

  12.  

To install:

  1. Install or connect the following:

    Heater core to the heater housing
     
    Heater housing and the heater housing-to-chassis fasteners
     
    Center ventilator duct and the center defroster duct
     
    Side ventilator ducts
     
    Rear heater ducts
     

  2.  
  3. Install the instrument panel by installing or connecting the following:

    Instrument panel and the instrument panel-to-chassis nuts/bolts
     
    Defroster grille
     
    Left and right lower cover and the center lower cover
     
    Front pillar garnish
     
    Console box and the console box screws under the shifter cover plate; be sure to install the rear screws
     
    Audio/air conditioning control unit assembly and the upper and lower assembly screws
     
    Ashtray
     
    Cover plate (automatic transmission) or the shifter cover plate (manual transmission)
     
    Center ventilator with the switch panel
     
    Combination meter, connect the electrical connectors and the combination meter screws
     
    Cluster lid -A- and the lid screws
     
    Combination switch, connect the electrical connector and the combination switch-to-steering column screws
     
    Steering column cover and the cover screws
     
    Knee protector and the knee protector screws
     
    Lower instrument panel and the panel screws on the driver-s side
     
    Glove box and the upper and lower glove box screws
     

  4.  
  5. Arm the passenger-s side air bag by installing or connecting the following:

    Passenger-s air bag electrical connector
     
    Glove box lid
     

  6.  
  7. Install the air bag module and steering wheel by installing or connecting the following:

    Steering wheel to the steering column
     
    Steering wheel nut and torque it to 22-29 ft. lbs. (29-39 Nm)
     
    Air bag module to the steering wheel
     
    Torque the new Torx bolts (using a Torx wrench T50), at both side of the steering wheel to 11-18 ft. lbs. (15-25 Nm).
     
    Side lids to both sides of the steering wheel
     
    Air bag electrical connector and install the lower lid at the bottom of the steering wheel
     

  8.  
  9. Refill the cooling system.
  10.  
  11. Connect the negative battery terminal.
  12.  
  13. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
  14.  

Sentra



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Position the steering wheel in the straight-ahead position.
  4.  
  5. Turn the ignition switch OFF.
  6.  
  7. Disconnect the negative (() battery cable; then, the positive (+) battery cable.
    NOTE
    Wait for a least 10 minutes after disconnecting the battery cables for the charge in the air bag circuit to dissipate before working on the air bag module(s).

  8.  
  9. Remove the driver-s side SRS and steering wheel by performing the following procedure:

    Remove the lower lid from the steering wheel and disconnect the driver-s air bag module connector.
     
    Remove both the left and right side lids from the steering wheel.
     
    Using a tamper resistant Torx® wrench (T50), remove the special bolts from both side of the steering wheel.
     
    Carefully, remove the air bag module and store it face up.
     
    Disconnect the horn-s electrical connector and 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 SRS by performing the following procedure:

    Remove the glove box door and the glove box.
     
    Disconnect the front passenger-s air bag module connector.
     
    Using a tamper resistant Torx® wrench (T50), remove the 2 special bolts.
     
    Remove the 4 passenger-s air bag-to-instrument panel nuts.
     
    Carefully, remove the front passenger-s air bag module and store it face up.
     

  12.  
  13. Drain the cooling system into a clean container for reuse.
  14.  
  15. Discharge and recover the air conditioning system refrigerant.
  16.  
  17. Working in the engine compartment, disconnect the heater hoses from the heater core tubes.
  18.  
  19. Remove the instrument panel by performing the following procedures:

    On the driver-s side, remove the 2 lower panel-to-instrument panel screws and the lower panel.
     
    Remove the 2 lower reinforcement panel-to-instrument panel screws and the lower reinforcement panel.
     
    Remove the 6 steering column cover screws, the cover and combination switch.
     
    Remove the 2 cluster lid -A- screws and the cluster lid -A-.
     
    Remove the 3 combination meter screws, disconnect the electrical harness connector and remove the combination meter.
     
    Remove the ashtray.
     
    Remove the cluster lid -C- mask, screw and the cluster lid -C-.
     
    Remove the 8 audio and air conditioning control assembly-to-instrument panel screws, the electrical connectors and the audio and air conditioning control assembly.
     
    Remove the transmission shifter finisher.
     
    Remove the rear console mask, the 4 screws and the rear console.
     
    Remove the 4 front console screws and the front console.
     
    Remove the front pillar garnish.
     
    Remove the lower dash side garnish.
     
    Remove the instrument panel mask.
     
    Remove the instrument panel-to-chassis nuts/bolts and the instrument panel.
     

  20.  
  21. Remove the air conditioning housing assembly by performing the following procedure:

    Disconnect the refrigerant lines from the air conditioning housing assembly.
     
    Disconnect the thermo control amp.
     
    Remove the air conditioning housing assembly.
     

  22.  
  23. Remove the heater unit.
  24.  
  25. Remove the heater core from the heater unit.

    Click image to see an enlarged view

    Fig. Exploded view of the steering wheel and air bag module-Sentra



    Click image to see an enlarged view

    Fig. Exploded view of the passenger-s side air bag module-Sentra



    Click image to see an enlarged view

    Fig. Exploded view of the instrument panel assembly-Sentra



    Click image to see an enlarged view

    Fig. Exploded view of the heater housing assembly and related components-Sentra



    Click image to see an enlarged view

    Fig. View of the heater core and heater housing-Sentra

  26.  

To install:

  1. Install or connect the following:

    Heater core to the heater unit
     
    Heater unit
     

  2.  
  3. Install the air conditioning housing assembly by performing the following procedure:

    Install the air conditioning housing assembly.
     
    Connect the thermo control amp.
     
    Connect the refrigerant lines to the air conditioning housing assembly.
     

  4.  
  5. Install the instrument panel by installing or connecting the following:

    Instrument panel and the instrument panel-to-chassis nuts/bolts
     
    Instrument panel mask
     
    Lower dash side garnish
     
    Front pillar garnish
     
    Front console and the 4 front console screws
     
    Rear console, the 4 screws and the rear console mask
     
    Transmission shifter finisher
     
    Air conditioning control assembly, the electrical connectors and the audio and the 8 audio and air conditioning control assembly-to-instrument panel screws.
     
    Cluster lid -C-, the screw and the cluster lid -C- mask
     
    Ashtray
     
    Combination meter, connect the electrical harness connector and install the 3 combination meter screws
     
    Cluster lid -A- and the 2 cluster lid -A- screws
     
    Combination switch, the cover and the 6 steering column cover screws
     
    Lower reinforcement panel and the 2 lower reinforcement panel-to-instrument panel screws
     
    Lower panel and the 2 lower panel-to-instrument panel screws, on the driver-s side
     

  6.  
  7. Working in the engine compartment, connect the heater hoses to the heater core tubes.
  8.  
  9. Install the passenger-s side SRS by installing or connecting the following:

    Front passenger-s air bag module
     
    4 passenger-s air bag-to-instrument panel nuts
     
    2 new special bolts and torque to 11-18 ft. lbs. (15-25 Nm), using a tamper resistant Torx® wrench (T50)
     
    Front passenger-s air bag module connector
     
    Glove box door and the glove box
     

  10.  
  11. Install the driver-s side SRS and steering wheel by installing or connecting the following:

    Steering wheel to the steering column
     
    Steering wheel nut and torque the nut to 22-29 ft. lbs. (30-39 Nm)
     
    Horn-s electrical connector
     
    Air bag module
     
    New special bolts to both side of the steering wheel and torque the bolts to 11-18 ft. lbs. (15-25 Nm), using a tamper resistant Torx® wrench (T50)
     
    Left and right side lids to the steering wheel
     
    Lower lid to the steering wheel
     
    Driver-s air bag module connector.
     

  12.  
  13. Refill the cooling system.
  14.  
  15. Connect the positive (+) battery cable; then, the negative (() battery cable.
  16.  
  17. Evacuate, charge and leak test the air conditioning system refrigerant.
  18.  
  19. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
  20.  

 
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