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Home >> Chevrolet >> 2003 >> Impala V6-3.8L VIN K >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Positive Crankcase Ventilation >> Service and Repair
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Positive Crankcase Ventilation: Service and Repair

Positive Crankcase Ventilation (PCV) Valve Replacement

Removal Procedure
1. Remove the fuel injector sight shield.
2. Disconnect the MAP sensor electrical connector.





3. Remove the MAP sensor (1).
4. Use a 16 mm (5/8 inch) socket to press the access cover (2) down and rotate 1/4 turn counterclockwise.
5. Remove the access cover.
6. Remove the PCV valve (3) and the O-ring (4) from the intake manifold.

Installation Procedure





1. Install the new O-ring (4) and the PCV valve (3).
2. Install the access cover (2).
3. Install the MAP sensor (1).
4. Connect the MAP sensor electrical connector.
5. Install the fuel injector sight shield.
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