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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Chevy C Silverado - 2WD 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Intake Manifold Tube Installation

Intake Manifold Tube Installation Federal Emissions


    Object Number: 798914 Size: SH
  1. Install the intake manifold tube gasket.
  2. Install the intake manifold tube.

    3. 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.

  3. Install the intake manifold tube nuts and bolts in sequence.

    4. Tighten
    Tighten the intake manifold tube nuts and bolts to 10 N·m (89 lb in).


    Object Number: 798916 Size: SH
  4. Install the intake air heater with gasket.

    5. Tighten
    Tighten the intake heater to 50 N·m (37 lb ft).

  5. Install the turbocharger boost sensor to the intake manifold tube.
  6. Install the turbocharger boost sensor bracket bolt.

    7. Tighten
    Tighten the turbocharger boost sensor bracket bolt to 10 N·m (89 lb in).

Intake Manifold Tube Installation California Emissions


    Object Number: 798914 Size: SH
  1. Install the intake manifold tube gasket.
  2. Install the intake manifold tube.

    3. 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.

  3. Install the intake manifold tube nuts and bolts in sequence.

    4. Tighten
    Tighten the intake manifold tube nuts and bolts to 10 N·m (89 lb in).


    Object Number: 798898 Size: SH
  4. Install the intake air heater with gasket.

    5. Tighten
    Tighten the intake heater to 50 N·m (37 lb ft).

  5. Install the turbocharger boost sensor to the intake manifold tube.
  6. Install the tubocharger boost sensor bracket bolt.

    7. Tighten
    Tighten the tubocharger boost sensor bracket bolt to 10 N·m (89 lb in).


    Object Number: 798899 Size: SH
  7. Install the EGR cooler bracket.
  8. Install the EGR and cooler.
  9. Install the EGR cooler bracket bolts.

    10. Tighten
    Tighten the EGR cooler bracket bolts to 20 N·m (15 lb ft).

  10. Install the EGR bolts and nuts.

    11. Tighten

        • Tighten the EGR bolts to 20N·m (15 lb ft).
        • Tighten the EGR nuts to 19N·m (14 lb ft).
        • Install the EGR cooling hose and clamps.