GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 4WD 🢒 Engine 🢒 Engine Mechanical - 6.5L 🢒 Engine Flywheel Replacement

Removal Procedure

    Object Number: 64987 Size: SH
  1. Disconnect the battery negative cables from the batteries. Refer to Battery Cable in Engine Electrical.
  2. Refer to transfer case if equipped.
    3. • For vehicles equipped with Manual Four Wheel Drive or Selectable Four Wheel Drive, refer to Transfer Case Replacement in Driveline Axle.
    • For vehicles equipped with Auto Four Wheel Drive 2 Speed, refer to Transfer Case Replacement in Driveline Axle.
  3. Remove the transmission from the vehicle.
    4. • For vehicles equipped with the 4L 80-E transmission, refer to Transmission Replacement in Transmission Transaxle.
    • For vehicles equipped with the NV 4500 transmission, refer to Transmission Replacement in Transmission Transaxle.
  4. Remove the clutch assembly from the crankshaft (if equipped). Refer to Clutch Assembly Replacement in Transmission Transaxle.
  5. Remove the flywheel from the crankshaft.

Installation Procedure

    Object Number: 64987 Size: SH
  1. Install the flywheel to the crankshaft

    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 flywheel mounting bolts.

    3. Tighten
    Tighten the bolts to 90 N·m (65 lb ft).

  3. Install the clutch assembly to the flywheel (if removed). Refer to Clutch Assembly Replacement in Transmission Transaxle.
  4. Install the transmission in the vehicle.
    5. • For vehicles equipped with the 4L 80-E transmission, refer to Transmission Replacement in Transmission Transaxle.
    • For vehicles equipped with the NV 4500 transmission, refer to Transmission Replacement in Transmission Transaxle.
  5. Install the transfer case in the vehicle.
    6. • For vehicles equipped with Manual Four Wheel Drive or Selectable Four Wheel Drive, refer to Transfer Case Replacement in Driveline Axle.
    • For vehicles equipped with Auto Four Wheel Drive 2 Speed, refer to Transfer Case Replacement in Driveline Axle.
  6. Connect the battery negative cables to the batteries. Refer to Battery Cable in Engine Electrical.