OM642 EGR Valve Remove/Install — NCV3 Model 906

Mercedes-Benz Sprinter NCV3 (Model 906) · Engine 642.992 (3.0L V6 CDI)

Workshop-style remove-and-install procedure for the OM642 exhaust gas recirculation positioner (Y27/11) on the NCV3 Sprinter Model 906. Covers coolant pressure relief, hose clamp-off, EGR positioner removal, sealing-ring replacement, the 8 Nm valve-to-housing torque spec, and the post-install leak test.