GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Terraza - 4WD 🢒 Engine 🢒 Engine Controls - 3.5L (LX9) 🢒 Upper Intake Manifold Installation

    Object Number: 909590 Size: SH
  1. Install the upper intake manifold gaskets and manifold.
  2. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the upper intake manifold bolt threads.

    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 upper intake manifold bolts and stud.

    4. Tighten
    Tighten the upper intake manifold bolts and stud to 25 N·m (18 lb ft).

  4. Install the exhaust gas recirculation (EGR) gasket and EGR.
  5. Install the EGR bolts.

    6. Tighten
    Tighten the EGR bolts to 30 N·m (22 lb ft).

  6. Reconnect the manifold absolute pressure (MAP) sensor.