Question about 1993 Toyota Previa

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Replacing heater fan motor in a Toyota Previa

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  • Toyota Master
  • 2,989 Answers

Removal & Installation It may be necessary to remove the upper radiator shroud to perform this procedure.

  1. Open and support the hood.
  2. Disconnect the negative battery cable and wait at least 90 seconds to proceed working on the vehicle.
  3. Disconnect the power steering and coolant reservoirs.
Replacing heater fan motor in a Toyota Previa - 8f8490e.jpg
Disconnect the coolant reservoir

4. Disconnect the coolant reservoir and power steering brackets from the side of the heating unit box.

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Remove the coolant reservoir bracket from the side of the hReplacing heater fan motor in a Toyota Previa - aa7a886.jpgbr />

aa7a886.jpg Separate the power steering reservoir bracket from the side of the unit also

5. Remove the two bolts that attach the upper and lower portion of the heater box.Replacing heater fan motor in a Toyota Previa - 4557834.jpgconnect the control cable on the side of the heater unit box.
4557834.jpg
DisconReplacing heater fan motor in a Toyota Previa - 0a7fea7.jpgntrol cable on the drivers side of the unit

7. Remove the eight nuts retaining the unit. 0a7fea7.jpg
Remove the nuts (8) from around the heater unit

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8. Disconnect the heater control valve bracket from the heater box.

9. Separate the top of the control box from the bottom.

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Separate the upper case from the lower

Posted on Dec 02, 2009

  • Greg Bernett
    Greg Bernett Dec 02, 2009

    10. Label and disconnect all wiring harnesses attached to the lower unit. These are the A/C compressor switch and A/C pressure switch wires along with the two upper white harnesses.






    Disconnect all wiring leading to the lower heater box



    11. Extract the lower housing assembly with the motor and cage from the vehicle.






    Extract the lower housing from the vehicle



    12. Remove the four lower cover retaining bolts.






    Pull the cover off of the bottom of the housing to access the motor



    13. Disconnect the blower tube, wiring harness and four mounting bolts.






    Pull the blower tube ...






    ... and wiring from the motor



    14. Pull the motor with cage from the lower heater housing.






    Remove the motor with cage out of the lower box



    1. Install the blower motor assembly into the housing in the reverse order of removal. Secure all components and wiring harnesses.

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Posted on Jan 02, 2017

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  • 7353 Answers

SOURCE: I have a 1992 Toyota Previa. The heater stopped

the last year, your blower resistor has been bad, now your motor is bad. rap on the motor and see if it start to run, if so, replace the motor and the resistor.

Posted on Dec 16, 2010

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