Avalanche 2500 4WD V8-8.1L VIN G (2003)
EGR Valve: Service and Repair
Exhaust Gas Recirculation (EGR) Valve Bracket
REMOVAL PROCEDURE
1. Remove the exhaust gas recirculation (EGR) valve.
2. Remove the EGR Pipe.
3. Remove the EGR valve adapter bracket nuts.
4. Remove the EGR valve adapter bracket.
5. Remove the EGR adapter gasket.
6. Clean the intake manifold.
INSTALLATION PROCEDURE
1. Install a NEW EGR gasket onto the intake manifold.
2. Install the EGR valve adapter bracket.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the EGR valve adapter bracket nuts.
Tighten
Tighten the nuts to 22 N.m (16 lb ft).
4. Install the EGR pipe.
5. Install the EGR valve.
