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Home >> Buick >> 2005 >> Terraza AWD V6-3.5L VIN 8 >> 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 electrical connector (1) from the exhaust gas recirculation (EGR) valve (2).




2. Remove the EGR pipe bolt and carefully pull the pipe assembly back.
3. Remove the EGR valve bolts.
4. Remove EGR valve.
5. Remove the EGR valve gasket.
6. Clean and inspect the EGR valve gasket mating surfaces.

INSTALLATION PROCEDURE




1. Install a new EGR valve gasket.
2. Install the EGR valve.
3. Install the EGR valve bolts.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the bolt to 30 N.m (22 lb ft).

4. Install the EGR pipe to the EGR valve.
5. Install the EGR pipe.

Tighten the bolt to 25 N.m (18 lb ft).




6. Connect the electrical connector (1) to the EGR valve (2).
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