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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Mechanical - 3.6L (Ly7) (Repair Procedures -- 3 Of 5)) >> Off-Vehicle Repair Instructions - Part 2 >> Camshaft Cover Cleaning and Inspection >> PCV Orifice Replacement

PCV Orifice Replacement

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Removing PCV Orifice
    GM1211035Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the PCV orifice is damaged or plugged and cannot be cleaned out, the PCV orifice can be replaced.
  1. Remove the old PCV orifice by griping the neck of the orifice with pliers and twisting and pulling out of the right camshaft cover.
    2. Fig 2: Identifying PCV Orifice
    GM1211037Courtesy of GENERAL MOTORS CORP.
  2. Apply sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the NEW PCV orifice (1).
    3. Fig 3: Installing PCV Orifice
    GM1211039Courtesy of GENERAL MOTORS CORP.
  3. Install the NEW PCV orifice into the right camshaft cover. After insertion, twist the PCV orifice in order to eliminate any vertical leak paths in the sealant.
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