Upper Intake Manifold Replacement

Removal Procedure

Caution: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Remove the fuel injector sight shield. Refer to Intake Manifold.
3. Remove the air intake duct.
4. Disconnect the spark plug wires from the right side of the engine. Set the wires aside.
5. Remove the manifold vacuum source.
6. Depressurize the fuel lines. Refer to Fuel System Pressure Relief in Powertrain Management.
7. Disconnect the fuel injector wire harness from the fuel injectors.
8. Remove the fuel rail.
9. Remove the EGR heat shield.
10. Remove the cable bracket to the cylinder head mounting bolt.
11. Remove the throttle cable.
12. Remove the throttle body support bracket.

Notice: The two bolts which fasten the lower intake manifold to the cylinder head are accessible only after the upper intake is removed. The bolts are located in the right front and left rear corners of the lower intake manifold. Remove the upper intake manifold to service the lower intake.





13. Remove the upper intake manifold bolts.
14. Remove the upper intake manifold.

Installation Procedure

Notice: The two bolts which fasten the lower intake manifold to the cylinder head are accessible only after the upper intake is removed. The bolts are located in the right front and left rear corners of the lower intake manifold. Remove the upper intake manifold to service the lower intake.

1. Install the upper intake manifold.

Notice: Refer to Fastener Notice in Service Precautions.





2. Install the upper intake manifold bolts.
^ Tighten the bolts in sequence to 10 Nm (89 inch lbs.).

3. Install the throttle body support bracket.
4. Install the throttle body cable.
5. Install the cable bracket to the cylinder head mounting bolt.
6. Install the EGR heat shield.
7. Install the fuel rail.
8. Connect the fuel injector wire harness to the fuel injectors.
9. Install the manifold vacuum source.
10. Connect the spark plug wire to the right side of the engine.
11. Install the air intake duct.
12. Install the fuel injector sight shield. Refer to Intake Manifold.
13. Connect the negative battery cable.