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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Mechanical - 3.9L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Positive Crankcase Ventilation (PCV) Fresh Air Tube
    GM1582009Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the positive crankcase ventilation (PCV) fresh air tube from the air cleaner outlet duct. Refer to AIR CLEANER OUTLET DUCT REPLACEMENT .
  3. Remove the PCV fresh air tube from the rocker arm cover.
  4. Remove the PCV fresh air tube from the vehicle.
    5. Fig 2: Identifying Positive Crankcase Ventilation (PCV) Foul Air Tube
    GM1582012Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the PCV foul air tube from the PCV valve. Refer to PLASTIC COLLAR QUICK CONNECT FITTING SERVICE .
  6. Remove the PCV foul air tube from the intake manifold.
  7. Remove the PCV foul air tube from the vehicle.
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