GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 LaCrosse 🢒 Engine 🢒 Engine Electrical 🢒 Exhaust Manifold Installation - Right Side

    Object Number: 1412145 Size: SH
  1. Install a NEW O-ring on the crankshaft position sensor, if damaged.

    2. Object Number: 902802 Size: SH
  2. Position the crankshaft position sensor into the cylinder block.

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

  3. Install the crankshaft position sensor bolt.

    4. Tighten
    Tighten the crankshaft position sensor bolt to 10 N·m (89 lb in).


    Object Number: 860801 Size: SH
  4. Position the right knock sensor to the cylinder block as shown.
  5. Install the knock sensor bolt.

    6. Tighten
    Tighten the knock sensor bolt to 23 N·m (17 lb ft).

  6. Ensure proper knock sensor orientation.

    7. Object Number: 945970 Size: SH
  7. Install the block heater cartridge, if equipped.

    8. Object Number: 1395939 Size: SH
  8. Position a NEW exhaust manifold gasket onto the right exhaust manifold.
  9. Install the exhaust manifold bolts into the right exhaust manifold.
  10. Place the right exhaust manifold, exhaust manifold gasket and bolts as an assembly in position on the right cylinder head.
  11. Install the exhaust manifold bolts into the right cylinder head.

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


    Object Number: 1395938 Size: SH
  12. Place the right exhaust manifold heat shield in position.
  13. Install the exhaust manifold heat shield bolts.

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