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Home >> Cadillac >> 2003 >> 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








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.
5. Remove the EGR valve.

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. Service and Repair

6. Clean the EGR valve mounting surface.







INSTALLATION PROCEDURE
1. Install the new gasket.
2. Install the EGR valve.
3. Install the EGR valve retaining nuts/bolts.

NOTE: Refer to Fastener Notice in Service Precautions. Vehicle Damage Warnings


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

4. Install the heat shield and nuts.

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

5. Reconnect the EGR valve electrical connector.
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