GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Fan Replacement

Removal Procedure
  1. Remove the drive belt from the engine. Refer to Drive Belt Replacement in Engine Mechanical.
  2. Remove the upper radiator shroud. Refer to Fan Shroud Replacement .

    3. Object Number: 160879 Size: SH
  3. Remove the fan and the fan clutch. Refer to Fan Clutch Replacement .
  4. Remove the fan blade-to-fan clutch bolts and the washers.
  5. Remove the fan blade from the fan clutch.

Installation Procedure

    Object Number: 160879 Size: SH
  1. Install the fan blade to the fan clutch.

    2. 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.

  2. Install the fan blade-to-fan clutch bolts and the washers.

    3. Tighten
    Tighten the fan-to-fan clutch bolts to 21 N·m (16 lb ft).

  3. Install the fan and fan clutch. Refer to Fan Clutch Replacement .
  4. Install the upper radiator shroud. Refer to Fan Shroud Replacement .
  5. Install the drive belt to the engine. Refer to Drive Belt Replacement in Engine Mechanical.