Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Chevrolet Sonic Repair Manual / Powertrain / Engine / Emissions / PCV / Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.


  2. Open the 2 positive crankcase ventilation pipe retainer clips (2) and (3).
  3. Note:

    Move retainer clamp (1) in direction of the arrow.

  4. Remove the positive crankcase ventilation pipe from the intake manifold.

  5. Loosen the charger air bypass valve pipe clamp (3).
  6. Remove the charger air bypass valve pipe from turbocharger.
  7. Remove the charger air bypass valve pipe (2) from turbo charger wastegate regulator solenoid valve.
  8. Disconnect the positive crankcase ventilation pipe from turbocharger.
  9. Unclip and remove the positive crankcase ventilation pipe assembly (1) from the camshaft cover retainer clips.
Installation Procedure

    Install the positive crankcase ventilation pipe assembly (1) to the
  1. Install the positive crankcase ventilation pipe assembly (1) to the camshaft cover retainer clips.
  2. Connect the positive crankcase ventilation pipe to turbocharger.
  3. Install the charger air bypass valve pipe (2) to turbo charger wastegate regulator solenoid valve.
  4. Install the charger air bypass valve pipe to turbocharger.
  5. Fasten the charger air bypass valve pipe clamp (3).

  6. Install the positive crankcase ventilation pipe to the intake manifold and fix with retainer clamp (1).
  7. Clip in the positive crankcase ventilation pipe to the 2 retainer clips (2) and (3).
  8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
Crankcase Ventilation System Inspection/Diagnosis
Results of Incorrect Operation A plugged positive crankcase ventilation (PCV) orifice or hose may cause the following conditions: Rough idle Stalling or slow idle speed Oil le ...

Positive Crankcase Ventilation Pipe Installation
Install the positive crankcase ventilation tube (2). Connect the 2 positive crankcase ventilation tube connectors (1). Clip in the ECM wiring harness guide (3) t ...

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