Question about 1987 Buick LeSabre

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How do you replace the heater blower motor in an 87 Buick Lesabre which has air conditioning?

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  • c_baran55 Sep 13, 2010

    Yes, this was helpful. Thank you.

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REMOVAL & INSTALLATION

If necessary, tag and disconnect the number 2, 4 and 6 spark plug wires from the ignition coil and move the coil out of the way.

  1. Detach the electrical connections from the blower motor.
  2. Disconnect the cooling tube from the blower motor.
  3. Unfasten the screws securing the blower motor to the blower module assembly.
  4. Remove the blower motor and fan assembly from the module.
  5. If necessary, unfasten the nut attaching the fan to the blower motor shaft, then pull the fan from the blower motor.

How do you replace the - a44da53.gif The blower motor and fan assembly is mounted in the heater and A/C module, and is accessible from the engine compartment.

To install:
  1. If the fan was removed from the motor, position the fan on the shaft, then install the retaining nut. Tighten the nut to 12 inch lbs. (1.4 Nm).
  2. Position the blower motor and fan assembly to the module, then install the retaining screws. Tighten to 5 inch lbs. (0.6 Nm).
  3. Connect the cooling tube to the blower motor.
  4. Attach the electrical connector to the blower motor.
  5. On 1993-98 vehicles, install the cross brace bar and retaining nuts. Tighten the nuts to 18 ft. lbs. (25 Nm).
  6. If removed, install the coil and connect the spark plug wires, as tagged during removal.

Posted on Sep 12, 2010

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