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Home >> Cadillac >> 2001 >> Seville STS V8-4.6L VIN 9 >> 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 two nuts (2) from the fuel injector sight shield (1).
2. Lift the sight shield from the front and pull forward to disengage the rear tab from the bracket.





3. Pull the PCV valve (1) from the right camshaft cover (2).
4. Remove the PCV valve (1) from the PCV hose.

Installation Procedure





1. Install the PCV valve (1) into the PCV hose.
2. Push the PCV valve (1) into the right camshaft cover (2).
3. Align the rear tab with the slot in the rear bracket and push the sight shield inward to engage.
4. Pull sight shield down and align the studs on the intake manifold with the holes in the sight shield.

Notice: Refer to Fastener Notice in Service Precautions.





5. Install the fuel injector sight shield (1) nuts (2).
Tighten the fuel injector sight shield nuts to 3 Nm (27 inch lbs.).
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