Removal Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Intake Manifold Cover Replacement - Remove
Positive Crankcase Ventilation Tube@Air Cleaner Outlet Duct- Disconnect — Plastic Collar Quick Connect Fitting Service

Fig 1: PCV Valve Bolt

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.