Home » 2008 6.6L Duramax » 2008 6.6L Duramax – CENTER INTAKE MANIFOLD REPLACEMENT – Installation Procedure

2008 6.6L Duramax – CENTER INTAKE MANIFOLD REPLACEMENT – Installation Procedure

1. Install NEW center intake manifold gaskets.
2. Install the center intake manifold.
NOTE: Refer to Fastener Notice .
3. Install the center intake manifold bolts/nuts.
Tighten: Tighten the bolts/nuts to 10 N.m (89 lb in).

4. Install the IAT sensor (2).
Tighten: Tighten the sensor to 10 N.m (89 lb in).
5. Connect the IA T sensor electrical connector (1).
6 . Install the turbocharger. Refer to Turbocharger Replacement.

7. Install 2 NEW O-rings onto the intake manifold tube.
8 . Lubricate the O-rings with clean engine oil to aid in the installation.
9. Install the intake manifold tube.
10. Install the water outlet tube. Refer to Water Outlet Tube Replacement (LMM) .
11. Install the EGR valve cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement.