81. 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.