GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Sonoma Pickup - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Exhaust Manifold Installation

    Object Number: 601946 Size: SH
  1. Install the exhaust manifold gasket and exhaust manifold.

    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 exhaust manifold nuts.

    3. Tighten
    Tighten the exhaust manifold nuts to 13 N·m (115 lb in).


    Object Number: 601943 Size: SH
  3. Install the air injection pipe with gasket, (if equipped).

    4. Tighten

        • Tighten the air injection pipe nut (1) to 13 N·m (115 lb in).
        • Tighten the air injection pipe nut (2) to 10 N·m (88 lb in).
  4. Install the oxygen sensor.