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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement (L36) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (L36)  or Fuel Injector Sight Shield Replacement (L67) .
    2. Fig 1: PVC Valve & Related Components
    GM12315Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the MAP sensor electrical connector.
  3. Remove the MAP sensor (1).
  4. Use a 16 mm (5/8 in) socket to press the access cover (2) down and rotate 1/4 turn counterclockwise.
  5. Remove the access cover.
  6. Remove the PCV valve (3) and the O-ring (4) from the intake manifold.
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