Repair Procedures

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

All Maintenance Engine Drivetrain Electrical Brakes Suspension HVAC Body Fuel System

Difficulty:beginner intermediate advanced professional Clear

Engineadvanced300 minutes

Water Pump Replacement

Replace the OM642 water pump - a known failure point at 80,000-150,000 miles.

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.