Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
- Remove the positive crankcase ventilation (PCV) hose from the intake manifold fitting and left valve rocker arm cover, if required.
- Remove the PCV tube (1) from the air cleaner outlet duct, if required.
- Remove the PCV tube (1) from the right valve rocker arm cover fitting (2), if required.
- Remove the appropriate PCV hose/tube from the vehicle.