80. Intake Manifold Installation - Upper
Intake Manifold Installation - Upper1. Install the upper intake manifold gaskets.
2. Apply threadlock GM P/N 12345382 or equivalent to the threads of the intake manifold bolts.
3. Install the upper intake manifold.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the upper intake manifold bolts and studs.
Tighten the upper intake manifold bolts and studs to 25 Nm (18 ft. lbs.).
5. Install the EGR valve pipe and gasket.
Tighten the EGR valve pipe to 25 Nm (18 ft. lbs.).
6. Install the EGR valve and gasket.
7. Install the EGR valve bolts.
Tighten the EGR valve bolts to 30 Nm (22 ft. lbs.).
8. Install the MAP sensor.
9. Install the MAP sensor bolts.
Tighten the MAP sensor bolts to 5 Nm (44 inch lbs.).
10. Connect the MAP sensor electrical connector.