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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement (L26) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. 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 (L26)  or Fuel Injector Sight Shield Replacement (L32) .
  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. Fig 1: MAP Sensor, PCV Valve & O-Ring (L26)
    GM12315Courtesy of GENERAL MOTORS CORP.
  6. Remove the PCV valve (3) and the O-ring (4) from the intake manifold.
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