GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Cobalt 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Blower Motor Replacement

Removal Procedure

    Object Number: 1543403 Size: SH
  1. Disconnect the blower motor electrical connector.

    2. Object Number: 1732377 Size: SH
  2. Remove the lower blower motor cover heat stakes (1) with a small chisel.

    3. Object Number: 1725760 Size: SH
  3. Remove the lower blower motor cover.

    4. Object Number: 1543423 Size: SH
  4. Remove the blower motor nuts.

    5. Object Number: 1543470 Size: SH

    Important: Cut through the case as straight as possible because the motor cup must be reused. In order to prevent damage to the component, do not cut any deeper than necessary to remove the motor cup.

  5. Remove the blower motor and cup from the lower case by cutting through the case between the circular ribs around the motor with a sharp utility knife.

    6. Object Number: 877664 Size: SH
  6. Release the blower motor retaining tab and remove the motor from the cup.

Installation Procedure

    Object Number: 1543473 Size: SH
  1. Install the blower motor (1) into the motor cup (2) that was cut out of the lower case.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the blower motor nuts (3).

    3. Tighten
    Tighten the nuts to 2.4 N·m (21 lb in).

  3. Attach the service ring (4) to the motor cup (2) with the screws (5) included in the kit.

    4. Tighten
    Tighten the screws to 1.8 N·m (15 lb in).

  4. Install the blower motor and service ring into the HVAC module using the screws (5) included in the kit. Make certain the blower motor electrical connector is pointing rearward in the vehicle.

    5. Tighten
    Tighten the screws to 1.8 N·m (15 lb in).


    Object Number: 1543404 Size: SH
  5. Install the lower blower motor cover.
  6. Install the lower blower motor cover retaining screws.

    7. Tighten
    Tighten the screws to 1.8 N·m (15 lb in).


    Object Number: 1543403 Size: SH
  7. Connect the blower motor electrical connector.