Sierra 2500 4WD V8-6.6L DSL Turbo (2007)
EGR Valve: Service and Repair
Exhaust Gas Recirculation Valve Replacement
Removal Procedure
1. Remove the exhaust gas recirculation (EGR) valve cooler.
2. Remove the EGR valve gaskets (1), if required.
3. Remove the EGR valve bolts (2).
4. Remove the EGR valve (3).
5. Remove and discard the EGR valve to valve cooler gasket.
Installation Procedure
Important: Use a NEW EGR valve gasket when installing the EGR valve.
