HowToVan

Repair Procedures

Step-by-step guides with detailed instructions, photos, and torque specifications

AllMaintenanceEngineDrivetrainElectricalBrakesSuspensionHVACBodyFuel System
Difficulty:beginnerintermediateadvancedprofessionalClear
Engineadvanced240
OM651 EGR Valve Remove/Install — Model 900 and NCV3 Model 906
Workshop-style 34-step remove-and-install procedure for the OM651 exhaust gas recirculation positioner (Y27/15) with bypass flap on Sprinter Model 900 and NCV3 Model 906. Covers coolant drain, EGR cooler and charge-air-distributor removal for access, fuel-hose disconnection at the high-pressure pump, the ZU7/ZU8 USA/Canada shield variant, and all torque specs.
Engineadvanced300 minutes
Water Pump Replacement
Replace the OM642 water pump - a known failure point at 80,000-150,000 miles.