For 1990-2009 cars

Notice: Refer to Fastener Notice in the Preface section.

1. Install the intake manifold studs in the cylinder head.

Tighten
Tighten the intake manifold-to-cylinder head studs to 6 N·m (60 lb in).

2. Install a new intake manifold gasket onto the intake manifold.
3. Install the intake manifold.
4. Install the intake manifold bolts and nuts. Tighten by starting from the center bolt and working outward.

Tighten

• | Tighten the intake manifold-to-cylinder head bolts to 10 N·m (89 lb in).

• | Tighten the intake manifold-to-cylinder head nuts to 10 N·m (89 lb in).

5. Install the fuel rail assembly.
6. Install the fuel rail stud.

Tighten
Tighten the fuel rail bracket stud to 10 N·m (89 lb in).

7. Install the throttle body. The gasket may be reused if not damaged.

Tighten
Tighten the throttle body bolts to 10 N·m (89 lb in).

8. Install the pressure regulator vacuum harness.
9. Install the knock sensor connector onto the intake manifold.