2012 — 2019
12.8L OM 471 L6 - 421hp
Diesel
Listen closely for any rattling sounds from the turbocharger assembly, as these units can sometimes show early signs of wear under specific high-load conditions.
While driving, observe the PowerShift 3 transmission: Smoothness between gear shifts is key. Any harsh clunking or hesitation when moving through the ranges is worth a conversation with the seller regarding service history.
Check this by inspecting the cooling system: Look for any minor coolant weepage around the water pump housing, as these heavy-duty cooling systems appreciate regular preventative attention.
While parked, verify the AdBlue/SCR system: Ensure there are no active fault codes on the dashboard display, as the sensor systems can occasionally become sensitive as the vehicle clocks up the kilometers.
Consider a comprehensive check of the DPF (Diesel Particulate Filter) to ensure it is regenerating efficiently.
Look into a cooling system flush and potential inspection of the turbo-actuator performance.
A major milestone that typically warrants a deep dive into the fuel injector spray patterns and general engine health.
Keep a close watch on the engine oil levels, as the OM 471 prefers consistent, high-quality lubricants.
Ensure the air intake system is kept clear of debris to keep the turbo breathing easy.
Schedule regular inspections of the chassis lubrication points to keep the heavy-duty components moving smoothly.
Monitor the battery health, especially with all the onboard electronics, to prevent cold-morning starting issues.
Regularly check the tyre pressures and tread wear, as keeping these balanced helps reduce overall strain on the drivetrain.
Estimated repair costs if issues arise
If this component needs attention in the future, the estimated cost in NZ is to account for professional cleaning or filter replacement to ensure the truck meets emission standards.
Depending on the car's history, you might eventually need to budget for a turbo overhaul if you notice a drop in boost pressure or unusual noise under load.
If this component needs attention in the future, the estimated cost in NZ involves labor for the heavy-duty clutch kit installation, which is a standard part of high-mileage upkeep.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer