GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2003 🢒 L300/LW300 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Blower Motor Replacement

Removal Procedure
  1. Select the following settings:
    2. 1.1. Turn the ignition ON
    1.2. Select Recirc in the OFF setting
    1.3. Turn the ignition OFF
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Remove the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement in Wipers/Washer Systems.

    4. Object Number: 893677 Size: SH

    Caution: A sharp edge is revealed once the weatherstrip is removed.

  4. Remove the weatherstrip at rear of the engine compartment.

    5. Object Number: 896723 Size: SH
  5. Remove the cowl retaining nuts.
  6. Remove the cowl screen assembly.

    7. Object Number: 878147 Size: SH
  7. Rotate the locking tabs outward to release the filter assembly.
  8. Remove the filter by lifting straight up.

    9. Object Number: 897834 Size: SH
  9. Remove the wiper module retaining bolts.
  10. Reposition the wiper module to the right.

    11. Object Number: 878150 Size: SH
  11. Remove the filter housing attachment bolts.
  12. Remove the filter housing.

    13. Object Number: 893594 Size: SH
  13. Remove the blower motor housing:
    14. 13.1. Remove the blower motor housing screws
    13.2. Release the locking tabs and remove the fan housing
  14. Disconnect the blower motor electrical connector.
  15. Squeeze the bottom of the connector and pull downward.
  16. Remove the blower motor assembly by lifting straight out.

Installation Procedure

    Important: The fan motor assembly rib must be located into the channel in the module housing.


    Object Number: 893594 Size: SH
  1. Install the blower motor assembly into the module housing.
  2. Connect the blower motor electrical connector.

    3. Important:  The housing rib must fit into the slot in the HVAC module case.

  3. Install the blower motor housing.

    4. Snap the left and right clip into place

    Notice: Refer to Fastener Notice in the Preface section.

  4. Tighten the fan housing to blower motor housing screws.

    5. Tighten
    Tighten the screws to 1 N·m (9 lb in).


    Object Number: 894379 Size: SH

    Notice: A new filter housing seal must be used whenever the filter housing is removed to prevent water from leaking into module.

  5. Remove the filter housing seal using a small flat-blade screwdriver.
  6. Install a new filter housing seal.
  7. Install the filter housing.

    8. Object Number: 878150 Size: SH
  8. Install the filter housing screws.

    9. Tighten
    Tighten the screws to 3.5 N·m (31 lb in).

  9. Position the wiper module.

    10. Object Number: 897834 Size: SH
  10. Install the wiper module bolts.

    11. Tighten
    Tighten the bolts to 5 N·m (44 lb in).


    Object Number: 878147 Size: SH
  11. Install the passenger compartment air filter.

    12. Notice the air flow direction indicator printed on side of the filter.

  12. Rotate the locking tabs on the filter housing inward to secure the air filter in place.
  13. Install the cowl screen.

    14. Object Number: 896723 Size: SH
  14. Install the cowl screen nuts.

    15. Tighten
    Tighten the nuts to 1 N·m (9 lb in).

  15. Close filter access door.

    16. Object Number: 893677 Size: SH
  16. Install the weatherstrip at rear of the engine compartment.
  17. Install the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement in Wipers/Washer Systems.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.