Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Remove Intake Manifold Cover. Refer to Intake Manifold Cover Replacement »Remove
Disconnect Positive Crankcase Ventilation Tube @ Air Cleaner Outlet Duct. Refer to Air Cleaner Outlet Duct Replacement (LTG)

Fig 1: PCV Valve Fasteners

Courtesy of GENERAL MOTORS COMPANY

NOTE:

PCV Valve fasteners are tamper proof and must have a slot cut in the fastener to be removed.

Using a suitable cutting tool, cut a slot in the fasteners. Remove the PCV valve fasteners with a flat blade screw driver and DISCARD (1).
Remove the PCV hose fastener (2) from the camshaft cover.

NOTE:

PCV valves and PCV tube assembly have tamper-proof connections and cannot be disassembled.

Remove the PCV valves and PCV tube assembly.