86. Intake Manifold Installation - Upper

Intake Manifold Installation - Upper





1. Install the upper intake manifold gasket.
2. Install the upper intake manifold.





3. Notice: Refer to Fastener Notice in Service Precautions.

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





4. Important: Double check the cleanliness of the throttle body to upper intake surfaces prior to assembly.

Install the throttle body gasket.
5. Install the throttle body.
6. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads.
7. Install the throttle body nuts.
Tighten the throttle body nuts to 10 Nm (89 inch lbs.).





8. Install the engine wiring harness heat shield.
9. Install the engine wiring harness heat shield bolt and nut.
Tighten the engine wiring harness heat shield bolt and nut to 10 Nm (89 inch lbs.).





10. Install the accelerator control cable bracket.
11. Install the accelerator control cable bracket bolts.
Tighten the accelerator control cable bracket bolts to 16 Nm (12 ft. lbs.).





12. Important: Do not use the fuel injector O-ring seals twice. Install NEW fuel injector O-ring seals during assembly.

Install the fuel injector rail.
13. Install the fuel injector rail nuts.
Tighten the fuel injector rail nuts to 10 Nm (89 inch lbs.).





14. Install the ignition control module assembly.
15. Install the ignition control module assembly bracket nuts.
Tighten the ignition control module assembly bracket nuts to 50 Nm (37 ft. lbs.).
16. Connect the ignition control module connector to the ignition control module assembly.
17. Connect the ignition wires to the fuel injector rail.
18. Install the spark plug wires.