Mazda 323/626/929/GLC/MX-6/RX-7 1978-1989

Blower Motor

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REMOVAL & INSTALLATION



Except RX-7 and 1988-89 626/MX-6

See Figures 1, 2, 3, 4 and 5

The heater blower is located underneath the dash panel, inside the passenger compartment. On most models, the blower is located next to the heater box and is connected to it by a duct.

On models equipped with dealer installed air conditioning, blower access may be slightly more difficult.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the dash under cover if equipped. On the 1986-87 323, remove the glovebox and the brace that locates the rear of the glovebox, then remove the instrument panel bracket.
  4.  
  5. Unfasten the blower motor's electrical connector(s).
  6.  
  7. If necessary, remove the right-side defroster hose for clearance. On the 1986-87 323, remove the blower unit-to-heater unit duct.
  8.  
  9. If equipped with sliding heater controls, move the control to the HOT position and disconnect the control wire if it is in the way. On the 323, set the FRESH-REC air selector control to REC, then disconnect the FRESH-REC air selector control wire.
  10.  
  11. Unfasten the mounting screws or nuts and remove the blower motor. On the 1986-87 626 and the 1986-89 323, remove the blower case assembly, then unfasten the clips, separate the case halves, and remove the blower motor and wheel. If necessary, separate the wheel from the blower motor.
  12.  

To install:
  1. If applicable, attach the blower motor wheel to the blower motor shaft, then install the locknut and washer. Position the blower motor onto its mounting and install the retaining screws. On the 323 and 626, assemble the case halves and secure with the clips.
  2.  
  3. Connect all the selector control cables to their respective control levers. On 1986-89 323s, connect the blower unit-to-heater unit duct. On other models, connect the right-side defroster hose if it was removed.
  4.  
  5. Fasten the blower motor connector. On 1986-87 323s, install the instrument panel bracket, glove box and support brace. Install the dash under cover if it was removed.
  6.  
  7. Connect the negative battery cable and test the blower to make sure that it operates properly at all speeds.
  8.  



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Fig. Fig. 1: Unfasten the retaining nuts to remove the 323's blower case assembly



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Fig. Fig. 2: Remove the dash under cover to access the blower assembly-626 shown



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Fig. Fig. 3: Disconnect the electrical leads from the blower motor



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Fig. Fig. 4: Unfasten the retaining screws ...



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Fig. Fig. 5: ... and remove the blower motor assembly

1988-89 626 and MX-6

The blower motor is located under the glove box.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the glove box under cover. Unfasten the five retaining screws and remove the glove box.
  4.  
  5. Detach the blower motor connector and remove the blower motor retaining screws. Lower the blower motor from its mounting.
  6.  

To install:
  1. Raise the blower motor up onto its mounting and install the retaining screws.
  2.  
  3. Fasten the blower motor connector.
  4.  
  5. Install the glove box and under cover. Connect the negative battery cable.
  6.  
  7. Test the blower motor to make sure that it operates properly.
  8.  

RX-7 Models

The heater blower is located on the passenger side of the car under the dashboard. It is a turbine-type fan coupled to a variable speed electrical motor. The fan also acts as the air conditioner blower on cars so equipped.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the three Phillips-head screws holding the plastic cover over the bottom of the fan motor.
  4.  
  5. Unfasten the drain funnel from the cover, then detach the blower motor electrical multi-connector.
  6.  
  7. Pull down slightly on the motor to clear the screw mounts, then push the motor toward the right side of the car to remove the fan.
  8.  

To install:
  1. Installation is the reverse of removal. Be sure to install both gaskets in their original positions. Test the blower for proper operation at all speeds.
  2.  

 
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