GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Mechanical - 6.0L and 7.0L 🢒 Water Pump Installation

    Object Number: 340389 Size: SH
  1. Install the bypass hose (2) to the water pump (1).
  2. Loosely install the bypass hose clamps (3) on the bypass hose (2).
  3. Install the water pump gaskets (5).

    4. Important: Engage the bypass hose (2) onto the intake manifold fitting (4) as water pump (1) is installed.

  4. Install the water pump (1).

    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.

  5. Install the water pump bolts (6).

    6. Tighten
    Tighten the water pump bolts (6) to 40 N·m (30 lb ft).

  6. Position the bypass hose clamps (3).

    7. Tighten
    Tighten the bypass hose clamps (3) to 5 N·m (44 lb in).