GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Fan Shroud Replacement

Removal Procedure

    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.

  1. Disconnect the negative battery cable.

    2. Object Number: 240939 Size: SH
  2. Remove the powertrain control module (PCM). Refer to Powertrain Control Module Replacement in Engine Controls.
  3. Remove the upper radiator hose. Refer to Radiator Hose Replacement .
  4. Remove the engine oil fill tube. Refer to Oil Level Indicator and Tube Replacement .
  5. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  6. Remove the transmission oil level indicator tube. Refer to Transmission Oil Level Indicator Tube Replacement in Automatic Transmission.
  7. Disconnect and reposition the intake manifold coolant bypass hose from the radiator fan shroud.
  8. Disconnect the retaining clips securing the engine electrical harness from the fan shroud.
  9. Remove the upper fan shroud screws (1).
  10. Remove the upper fan shroud (2).
  11. Remove the fan clutch. Refer to Fan Clutch Replacement .
  12. Remove the lower fan shroud screws (1).
  13. Remove the lower fan shroud (3).

Installation Procedure

    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.

  1. Install the lower fan shroud (3) and retaining screws (1).

    2. Tighten
    Tighten the lower fan shroud attaching screws to 5 N·m (44 lb in).

  2. Install the fan clutch. Refer to Fan Clutch Replacement .

    3. Object Number: 240939 Size: SH
  3. Install the upper fan shroud attaching screws.

    4. Tighten
    Tighten the upper fan shroud attaching screws to 5 N·m (44 lb in).

  4. Secure the engine electrical harness with the retaining clips.
  5. Reposition and secure the intake manifold coolant bypass hose.
  6. Install the transmission oil level indicator tube. Refer to Transmission Oil Level Indicator Tube Replacement in Automatic Transmission.
  7. Install the engine oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement in Engine Mechanical.
  8. Install the engine oil fill tube. Refer to Oil Level Indicator and Tube Replacement in Engine Mechanical.
  9. Install the upper radiator hose. Refer to Radiator Hose Replacement .
  10. Install the PCM. Refer to Powertrain Control Module Replacement in Engine Controls.

    11. 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.

  11. Connect the negative battery cable.