Removal (LS1 Engine)
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Remove the Positive Crankcase Ventilation (PCV) tube from the right rocker arm cover and intake manifold, if necessary. See Figure. Remove the PCV valve pipe from the left rocker arm cover. Remove the PCV valve pipe strap nut. Remove the PCV valve pipe from the right rocker arm cover and intake manifold. Remove the PCV valve from the valve pipe.