Mazda Trucks 1972-1986 Repair Guide

Heater Motor and Blower Fan

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REMOVAL & INSTALLATION



  1. Remove the heater assembly.
  2.  
  3. Remove the five screws and separate the halves of the heater assembly.
  4.  
  5. Loosen the fan retaining nut. Lightly tap on the nut to loosen the fan. Remove the fan and nut from the motor shaft.
  6.  
  7. Remove the three motor-to-case retaining screws and disconnect the bullet connector to the resistor and ground screw.
  8.  
  9. Rotate the motor and remove it from the case.
  10.  

To install:
  1. Install the motor in the case, rotating it slightly.
  2.  
  3. Install the retaining screws and connect the bullet connector and ground wire.
  4.  
  5. Install the fan on the shaft and install the nut.
  6.  
  7. Assemble the halves together and install the five retaining screws.
  8.  
  9. Install the heater in the trucks. Check the operation of the heater.
  10.  

 
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