Question about 1993 Toyota Previa

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Replacing heater fan motor in a Toyota Previa

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Greg Bernett

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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.

Remove the coolant reservoir bracket fromReplacing heater fan motor in a Toyota Previa - aa7a886.jpgf the heater unit

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 Replacing heater fan motor in a Toyota Previa - 4557834.jpger box. 6. Disconnect the control cable on the side of the heater unit box.
7. RemoveReplacing heater fan motor in a Toyota Previa - 50e83e7.jpgnuts retaining the unit.

Remove the nuts (8) from around the heater unit

50e83e7Replacing heater fan motor in a Toyota Previa - cef3f25.jpg=
There are 4 nuts on each side of the unit

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

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

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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Ted Schore

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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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1996 previa wher is fuse box

on the previa, the main fuse box is located in the top of the dash board, the panel above the heater switches comes off to reveal it. There is a little level/clip just above the heater switches hidden by the curve of the panel, push and lift. Turn the ignition switch to the "Off" position. Insure the component with the suspected blown fuse is turned off. Reach under the central instrument panel cover, located above the air conditioning controls in the center of the dashboard, and press upward on the panel cover release latch. This is where most of the fuses are located in a Toyota Previa. Lift the panel cover up and off. Observe the underside of the control panel cover. It will have a schematic diagram along with the name of each circuit controlled by the corresponding fuse. Determine the location of the fuse that controls the affected component. The Toyota Previa makes use of three different types of fuses: type A, which are thin and elongated, type B fuses that resemble a box with a window in the top to reveal the fuse link, and type C, which also resemble a box with a clear plastic top. Grasp the suspected fuse and pull straight up and out. Look down through the clear top of the fuse. If the metal connector is broken and not connected, the fuse is blown. Insert a replacement fuse of the same type and amperage rating into the vacant slot. Replace the instrument control panel and press down until it snaps closed. Turn the ignition switch to the "On" position. Activate the suspected component. If replacing the fuse did not solve the problem, troubleshoot further or take the car to a qualified technician for repairs.

Read more: How to Replace Fuses on a Toyota Previa '

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I have a 1992 Toyota Previa. The heater stopped blowing air. For the last year the fan would only work on the highest setting.... now nothing. Is it the Blower motor, fan relay, or Switch??? Any idea?...

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.

Dec 16, 2010 | 1993 Toyota Previa

1 Answer

I need to jump the 4 postion blower switch in the heater console. I have a 1995 Toyota Previa.

Why are you jumping the blower switch? If the issue is the switch is not functioning replace the fan resistor located on the side of the heater box under dash try that first.

Dec 06, 2009 | 1992 Toyota Previa

1 Answer

How do i replace the heater resistor on 1996 previa toyota?

there will be an electrical connector that is protruding from the blower motor housing. If you disconnect this connector then unbolt the housing then the resistor comes right out.

Jun 16, 2009 | 1992 Toyota Previa

1 Answer

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