Express 4500 V8-6.6L DSL Turbo (2009)
EGR Valve: Service and Repair
Exhaust Gas Recirculation Valve Replacement
Removal Procedure
1. Remove the exhaust gas recirculation (EGR) valve/cooler from the engine and place on a clean work surface. Refer to Exhaust Gas Recirculation
Valve Cooler Replacement (See: EGR Cooler/Service and Repair/Exhaust Gas Recirculation Valve Cooler Replacement).
2. On the bench, remove the EGR valve to EGR cooler tube bolts (2).
3. Separate the EGR valve (3) from the EGR cooler tube (4).
4. Remove and discard the intake manifold tube gaskets (1) as required.
5. If required, remove the EGR bracket bolt, nut, and EGR bracket.
Installation Procedure