PCV Orifice Replacement

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.

Fig 1: PCV Orifice

Courtesy of GENERAL MOTORS COMPANY

NOTE:

If the PCV orifice is damaged or plugged and cannot be cleaned out, the PCV orifice can be replaced.

Remove the old PCV orifice by gripping the neck of the orifice with pliers and twisting and pulling out of the left camshaft cover.

Fig 2: Sealant Area On PCV Orifice

Courtesy of GENERAL MOTORS COMPANY

Ensure proper use of room temperature vulcanizing (RTV) sealant. Refer to Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
Apply sealant to the NEW PCV orifice (1). Refer to Adhesives, Fluids, Lubricants, and Sealers (LF4) for recommended sealant.

Fig 3: PCV Orifice

Courtesy of GENERAL MOTORS COMPANY

Install the NEW PCV orifice (1) into the left camshaft cover. After insertion, twist the PCV orifice in order to eliminate any vertical leak paths in the sealant.