GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Controls - 7.4L 🢒 Throttle Body Installation

    Object Number: 276417 Size: SH

    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 throttle body studs.

    2. Tighten
    Tighten the studs to 12 N·m (106 lb in).

  2. Install the throttle body gasket.

    3. Object Number: 276386 Size: SH
  3. Install the throttle body onto the manifold.

    4. Object Number: 276390 Size: SH
  4. Install the throttle body nuts.

    5. Tighten
    Tighten the nuts to 10 N·m (89 lb in).