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Home >> Buick >> 2007 >> LaCrosse V6-3.6L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Positive Crankcase Ventilation >> PCV Valve Hose >> Service and Repair
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PCV Valve Hose: Service and Repair



Crankcase Ventilation Hoses/Pipes Replacement

Removal Procedure




1. Remove the positive crankcase ventilation (PCV) fresh air tube from the left camshaft cover.
2. Remove the PCV fresh air tube from the air inlet duct.




3. Remove the PCV dirty air tube from the right camshaft cover.
4. Remove the PCV dirty air tube from the intake manifold.

Installation Procedure




1. Install the PCV dirty air tube to the intake manifold.
2. Install the PCV dirty air tube to the right camshaft cover.




3. Install the PCV fresh air tube to the air inlet duct.
4. Install the PCV fresh air tube to the left camshaft cover.

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