2020 — 2023
3.0L V6 EcoDiesel (Gen 3)
Diesel
Drive up a steep grade under load, monitoring the engine temperature gauge closely while checking for a sweet, burning coolant smell inside the cabin.
Take the truck on a sustained open road run to check for active 'DPF Regeneration' faults, sluggish throttle response, or emissions warning lights.
Listen carefully at idle for any deep, rhythmic metallic knocking from the lower engine block that indicates early main bearing or oil dilution wear.
Cycle the air suspension through all ride heights while stationary, checking for slow adjustment times or an excessively noisy compressor pump.
Perform oil change using only low-ash MS-12991 spec oil. Replace both primary and secondary fuel filters to protect the sensitive high-pressure common rail pump.
Service the ZF 8HP75 transmission (fluid and pan/filter replacement). Inspect the serpentine belt, tensioner, and check the EGR valve for heavy soot accumulation.
Conduct a major cooling system flush, inspect the Gen 3 EGR cooler for micro-cracks, test DPF soot load levels, and refresh front/rear differential fluids.
Strictly enforce the use of premium low-SAPS synthetic oil meeting FCA MS-12991 specifications to avoid premature crankshaft bearing failure.
Replace the dual fuel filters every 15,000 to 20,000 km to protect common-rail injectors from varying quality or contaminated local diesel fuel.
Perform a 30-minute motorway run at least once every fortnight to allow the DPF to complete a full passive regeneration cycle and prevent soot loading.
Regularly monitor the coolant expansion tank level; unexplained fluid loss is a primary indicator of an internal EGR cooler leak.
Inspect front upper/lower ball joints and sway bar links annually, as winding NZ roads accelerate wear on this heavy diesel front end.
Estimated repair costs if issues arise
Critical replacement if an internal coolant leak is detected, preventing severe engine overheating or potential engine bay thermal events.
Required if the vehicle is driven mostly on short town trips, causing irreversible soot blockage or SCR catalyst failure. Highly expensive to import to NZ.
Replacing worn common-rail fuel injectors or the high-pressure pump if fuel contamination occurs, requiring genuine Mopar components.
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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