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Home >> Cadillac >> 2004 >> Seville V8-4.6L VIN 9 >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> EGR Valve >> Service and Repair
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EGR Valve: Service and Repair

EXHAUST GAS RECIRCULATION (EGR) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the exhaust gas recirculation (EGR) electrical connector.
2. Remove the heat shield nuts.
3. Remove the heat shield.
4. Remove the EGR valve retaining nuts/bolts.

IMPORTANT: Inspect the EGR passages in the crossover water pump housing for deposits. Clean the EGR passages as needed. Refer to Exhaust Gas Recirculation (EGR) System Cleaning.

5. Remove the EGR valve.
6. Clean the EGR valve mounting surface.

INSTALLATION PROCEDURE




1. Install the new gasket.
2. Install the EGR valve.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the EGR valve retaining nuts/bolts.

Tighten
Tighten the retaining nuts/bolts to 24 Nm (18 lb ft).

4. Install the heat shield and nuts.

Tighten
Tighten the retaining nuts to 9 Nm (80 lb in).

5. Reconnect the EGR valve electrical connector.
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