Repair Procedures

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.

Drain, filter, and refill the 5G or 7G-Tronic automatic transmission on the OM642 NCV3 Sprinter. Service every 60,000 miles to prevent costly failures.

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

Replace the 220A alternator on the OM642 NCV3 Sprinter when the original fails.