TrailBlazer 4WD V8-6.0L (2007)
Air Cleaner Fresh Air Duct/Hose: Service and Repair
Air Cleaner Resonator Outlet Duct Replacement
Removal Procedure
1. Remove the intake manifold sight shield.
2. Disconnect the positive crankcase ventilation (PCV) fresh air tube (2) from the air cleaner resonator outlet duct (1).
3. Loosen the air cleaner outlet duct clamps at the mass air flow (MAF)/intake air temperature (IAT) sensor, and the throttle body.
4. Grasp the air cleaner outlet duct near the stud and firmly lift up, disengaging the duct from the stud.
Installation Procedure