GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Catera 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Blower Motor and Fan Replacement

Removal Procedure
  1. Disconnect the battery negative cable.

    2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  2. Remove the RF floor air outlet.
  3. Remove the I/P compartment. Refer to I/P Compartment Replacement.

    4. Object Number: 153292 Size: SH
  4. Remove the side air vent supply duct. (Bend downward at the accordion section of the supply duct in order to remove the duct from the side air vent.)

    5. Object Number: 153293 Size: SH
  5. Remove the blower motor housing screws.
  6. Remove the blower motor housing.

    7. Object Number: 153294 Size: SH
  7. Remove the blower motor screws.
  8. Remove the blower motor.

Installation Procedure

    Object Number: 153294 Size: SH
  1. Install the blower motor to the housing.
  2. Install the blower motor screws until fully seated and not stripped.

    3. Object Number: 153293 Size: SH
  3. Install the blower motor housing.
  4. Install the blower motor housing screws.

    5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten
    Tighten the screws to 4 N·m (35 lb in).


    Object Number: 153292 Size: SH
  5. Install the supply ducts:
    6. • Insert the supply duct into the module.
    • Bend at the accordion section in order to position.
  6. Install the I/P compartment. Refer to I/P Compartment Replacement.
  7. Install the RF floor air outlet.
  8. Connect the battery negative cable.
  9. Reprogram applicable accessories.