
2014 — 2019
3.0L EcoDiesel V6 (Gen 1/2)
Diesel
While driving under load, monitor the dashboard for any 'Service Electronic Throttle Control' messages, which can sometimes indicate the EGR system is beginning to require attention.
When the engine is warm and safely turned off, inspect the coolant expansion tank for any discoloration or oil residue, as the oil cooler seals may eventually allow fluids to mix in older units.
Listen carefully at idle for any rhythmic 'ticking' or 'knocking' sounds coming from the lower engine area, which is a good way to assess the health of the crankshaft bearings.
Take the truck for a sustained motorway run to see if a 'DPF Regenerating' or 'Filter Full' message appears, as vehicles used primarily for short trips may eventually face exhaust soot accumulation.
At this point, it is common to consider a comprehensive cooling system flush and a check of the serpentine belt and tensioners.
Many owners look at servicing the ZF 8-speed transmission and checking the health of the glow plugs for reliable winter starting.
Depending on the truck's history, you might consider a deeper inspection of the turbocharger and the high-pressure fuel pump (CP4) components.
Long-term owners often budget for a full suspension refresh, including shocks and bushings, to maintain that signature smooth RAM ride.
Verify the use of low-ash synthetic oil meeting the specific MS-11106 or updated FCA specifications.
Ensure fuel filters have been replaced regularly, ideally every 20,000 to 30,000 km, to protect the fuel injectors.
Check that the latest PCM (Powertrain Control Module) software updates have been applied by a specialist.
Inspect the intake manifold for any significant soot buildup, which can occur over time in modern diesel engines.
Confirm the DEF (Diesel Exhaust Fluid) system is functioning correctly and the heater element is operational.
Estimated repair costs if issues arise
In cars of this age, the EGR system can collect soot. If this component needs attention in the future to ensure smooth running, it involves replacing the cooler unit and cleaning the valves.
Depending on the car's history, you might eventually need to budget for a specialized fluid and pan-filter replacement to keep the gear changes crisp.
If the vehicle hasn't frequently reached motorway speeds, the exhaust filter may eventually require a professional thermal clean to restore its efficiency.
It's common to consider replacing the oil cooler as a preventative measure if any small leaks are detected near the 'V' of the engine block.
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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