GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 LaCrosse 🢒 Engine 🢒 Engine Mechanical - 3.6L 🢒 Exhaust Manifold Installation - Left Side

    Object Number: 1395931 Size: SH
  1. Position a NEW exhaust manifold gasket onto the left exhaust manifold.
  2. Install the exhaust manifold bolts into the left exhaust manifold.
  3. Place the left exhaust manifold, exhaust manifold gasket and bolts as an assembly in position on the left cylinder head.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the exhaust manifold bolts into the left cylinder head.

    5. Tighten
    Tighten the exhaust manifold bolts to 25 N·m (18 lb ft).


    Object Number: 1412140 Size: SH
  5. Install the engine coolant temperature (ECT) sensor.

    6. Tighten
    Tighten the ECT sensor to 22 N·m (16 lb ft).


    Object Number: 1395926 Size: SH
  6. Place the left exhaust manifold heat shield in position.
  7. Install the exhaust manifold heat shield bolts.

    8. Tighten
    Tighten the exhaust manifold heat shield bolts to 10 N·m (89 lb in).


    Object Number: 1412139 Size: SH
  8. Install the left torque strut bracket.
  9. Install the left torque strut bracket bolts.

    10. Tighten
    Tighten the left torque strut bracket bolts to 50 N·m (37 lb ft).