Miata 1990-1997

Removal & Installation

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Specific to:

Mazda Miata 1990-1993

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the dash undercover which is located on the passenger side of the vehicle, if equipped.
  4.  
  5. Remove the glove box. Disconnect the multi-connector to the blower motor.
  6.  
  7. Remove the air duct in between the blower unit and the heater unit.
  8.  
  9. Remove the nuts and the blower unit. Disassemble the unit and remove the blower motor.
  10.  
  11. Installation is the reverse of removal.
  12.  

To install:

  1. Install the blower motor into the case and install the screws.
  2.  
  3. Install the blower fan to the blower motor.
  4.  
  5. Connect the two halves of the blower unit case and install the screws.
  6.  
  7. Install the heater blower unit case to the vehicle and tighten the mounting nuts.
  8.  
  9. Install the heater blower seal plate.
  10.  
  11. Install the air duct.
  12.  
  13. Install the inner glove box assembly.
  14.  
  15. Install the glove box door.
  16.  
  17. Connect the negative battery cable.
  18.  

Specific to:

Mazda Miata 1994-1997

  1. Disconnect the negative battery cable.
  2.  
  3. Open the glove box and remove the glove box retaining screws. Remove the glove box assembly.
  4.  
  5. Remove the inner glove box assembly screws and remove the inner glove box.
  6.  
  7. Remove the air duct.
  8.  
  9. Unclip and remove the heater blower seal plate.
  10.  
  11. Remove the three heater blower mounting nuts and remove the blower unit case.
  12.  
  13. Remove the screws and separate the two halves of the blower unit case.
  14.  
  15. Remove the blower fan from the blower motor. Remove the mounting screws, and separate the blower motor from the case.
  16.  

To install:

  1. Install the blower motor into the case and install the screws.
  2.  
  3. Install the blower fan to the blower motor.
  4.  
  5. Connect the two halves of the blower unit case and install the screws.
  6.  
  7. Install the heater blower unit case to the vehicle and tighten the mounting nuts.
  8.  
  9. Install the heater blower seal plate.
  10.  
  11. Install the air duct.
  12.  
  13. Install the inner glove box assembly.
  14.  
  15. Install the glove box door.
  16.  
  17. Connect the negative battery cable.
  18.  

 
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