Chevrolet Sonic Repair Manual: 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).

Note:

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

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


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

Installation Procedure

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.