GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Impala 🢒 Engine 🢒 Engine Electrical 🢒 Engine Coolant Fan Shroud Replacement

    Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the transmission oil cooler lines from the retainers at the bottom of the cooling fan shroud.
  5. Lower the vehicle.
  6. Remove the right and the left engine mount struts. Refer to the following procedures:
    7. •  Engine Mount Strut Replacement - Right Side
    •  Engine Mount Strut Replacement - Left Side in Engine Mechanical-3.4L
    •  Engine Mount Strut Replacement - Right Side
    •  Engine Mount Strut Replacement - Left Side in Engine Mechanical-3.8L
  7. Remove the left front fender upper diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
  8. Remove the radiator inlet hose from the radiator.
  9. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-3.8L or Air Cleaner Assembly Replacement in Engine Controls-3.4L.
  10. Remove the PCM harness from the fan shroud clip.
  11. If equipped remove the cooling fan heat shields.
  12. Disconnect the cooling fan shroud electrical connectors.

    13. Object Number: 455957 Size: SH
  13. Remove the cooling fan shroud bolts.
  14. Disengage the cooling fan shroud clip from the top of the radiator.
  15. Remove the radiator upper support brackets that connect to the fan shroud.
  16. Remove the cooling fan shroud.

Installation Procedure

    Object Number: 455957 Size: SH
  1. Install the cooling fan shroud.
  2. Install the cooling fan shroud clip to the top of the radiator. Apply pressure in order to completely engage the clip onto the radiator.

    3. 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.

  3. Install the cooling fan shroud bolts.

    4. Tighten
    Tighten the cooling fan shroud bolts to 10 N·m (89 lb in).

  4. Connect the cooling fan shroud electrical connectors.
  5. If equipped install the cooling fan heat shields.

    6. 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.

  6. Install the radiator upper support brackets and bolts that hold the fan shroud.

    7. Tighten
    Tighten the radiator bracket bolts to 10 N·m(89 lb in).

  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-3.8L or Air Cleaner Assembly Replacement in Engine Controls-3.4L.
  8. Install the PCM harness on to the fan shroud clip.
  9. Install the radiator inlet hose to the radiator.
  10. Install the left front fender upper diagonal brace. Refer to .
  11. Install the right and left engine mount struts. Refer to the following procedures:
    12. •  Engine Mount Strut Replacement - Right Side
    •  Front Fender Upper Diagonal Brace Replacement in Body Front End
    •  Engine Mount Strut Replacement - Left Side in Engine Mechanical-3.4L
    •  Engine Mount Strut Replacement - Right Side
    •  Engine Mount Strut Replacement - Left Side in Engine Mechanical-3.8L
  12. Raise the vehicle.
  13. Install the transmission oil cooler lines to the retainers at the bottom of the cooling fan shroud.
  14. Lower the vehicle.
  15. Fill the cooling system. Refer to Cooling System Draining and Filling .
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  17. Inspect for proper operation.