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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Replacing Positive Crankcase Ventilation (PCV) Valve (L26) >> Removal

Replacing Positive Crankcase Ventilation (PCV) Valve (L26): Removal

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel injector sight shield. Refer to Replacing Fuel Injector Sight Shield .
    2. Fig 1: Identifying 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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