GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Exhaust Manifold Installation - Left Side

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 683917 Size: SH
  1. Install the exhaust manifold studs and tighten to 10 N·m (89 lb in).

    2. Object Number: 683911 Size: SH
  2. Install the exhaust manifold gasket.
  3. Install the exhaust manifold.
  4. Install the exhaust manifold bolts and nuts and tighten to 30 N·m (22 lb ft).
  5. Install the left side spark plugs and tighten to 15 N·m (11 lb ft).

    6. Object Number: 1210603 Size: SH
  6. Install the left engine lift hook.
  7. Install the left engine lift hook nut and bolt and tighten to 30 N·m (22 lb ft).
  8. Install the engine mount strut lower bracket.
  9. Install the engine mount strut lower bracket nut and bolts.
    10. • Tighten the engine mount strut lower bracket bolts to 50 N·m (37 lb ft).
    • Tighten the engine mount strut lower bracket nut to 25 N·m (18 lb ft).

    Object Number: 154529 Size: SH
  10. Install the left exhaust manifold heat shield.
  11. Install the left exhaust manifold heat shield nuts and tighten to 20 N·m (15 lb ft).