GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2009 🢒 Astra 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Blower Case Replacement

Removal Procedure
  1. Remove the air inlet screen. Refer to Air Inlet Screen Replacement.

    2. Object Number: 1937015 Size: LF
  2. Remove the recirculating air valve housing, outside.
    3. 2.1. Remove the 4 bolts (1).
    2.2. Remove the recirculating air valve housing grille (3).
    2.3. Remove the bolt for recirculating air valve housing (2).

    Object Number: 1936824 Size: LF
  3. Remove the instrument panel (I/P) compartment.
    4. 3.1. Remove the 4 bolts (1).
    3.2. Disconnect the wiring harness plug.
  4. Remove the inner paneling on I/P padding, lower passengers side.

    5. Remove the 2 bolts (3).

  5. Remove the air duct.

    6. Remove the body-bound rivet (2).


    Object Number: 1936835 Size: SH
  6. Remove the heater fan motor (2).
    7. 6.1. Disconnect the 2 wiring harness plugs (1) from series resistor.
    6.2. Remove the 5 bolts.

    Object Number: 1937018 Size: LF
  7. For vehicles equipped with air conditioning (A/C), disconnect the wiring harness plug for the recirculating air valve (1) servo motor. Detach and remove the recirculating air valve housing (2).
    8. 7.1. Remove the 2 bolts (3).
    7.2. Disconnect the wiring harness plug.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.

  1. For vehicles equipped with A/C, connect the wiring harness plug for recirculating air valve servo motor.

    2. Insert and tighten the recirculating air valve housing.

    Tighten
    Tighten the 2 bolts to 5 N·m (44 lb in).

  2. Install the heater fan motor.
    3. 2.1. Connect the clip.
    2.2. Install the 5 bolts.
    2.3. Connect the 2 wiring harness plugs.
  3. Install the air duct.

    4. Install the body-bound rivet.

  4. Install the I/P insulator panel.

    5. Install the 2 retainers.

  5. Install the recirculating air valve housing, outside.
    6. 5.1. Tighten the bolt.
    5.2. Install the recirculating air valve housing grille.

    Tighten
    Tighten the 4  bolts to 5 N·m (44 lb in).

  6. Install the air inlet screen. Refer to Air Inlet Screen Replacement.