Sierra 2500 2WD V8-6.6L DSL Turbo (2007)
4. Install the IAT sensor (2).
Tighten the sensor to 10 N.m (89 lb in).
5. Connect the IAT sensor electrical connector (1).
6. Install the turbocharger.
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.
11. Install the EGR valve cooler tube.
