🔧 Maintenance Schedule Overview
Oil 8,000-10,000 mi synthetic on HEMI. 8HP fluid 60K. Spark plugs 100K. Coolant 100K. Air suspension service 60K. Front and rear diff 60K.
The Ram 1500 has the nicest cabin in the half-ton class. The 4th gen (2013-2018) introduced the EcoDiesel and 8-speed. The DT 5th gen (2019 plus) added eTorque mild hybrid and a 12-inch screen. HEMI lifters and EcoDiesel emissions are the main risks.
Ranked by severity. Critical items are red flags that should change your buying decision or pricing. Important items need a documented fix. Good-to-know items are wear items and ownership realities.
Multi-Displacement System collapsed-lifter problem similar to GM AFM. Common at 80K-150K. Repair runs $4K-7K. Listen for tick at idle.
2014-2016 EcoDiesel was part of the FCA defeat-device settlement. Newer 2020-2023 EcoDiesel has its own EGR-related failures. Verify EGR cooler not cracked.
Some 2014-2019 with the ZF-based 8HP report shudder. Fluid change usually resolves it.
Compressor and bags fail at 80K-120K. $1,500-3,000 to replace. Coil-spring conversion is an option.
5th gen mild-hybrid belt starter generator failures. Covered by extended warranty in some cases.
12-inch screen in 5th gen occasionally reboots. Software updates help.
Common past 80K. $250-400 fix.
Most refined DT, software updated, eTorque issues mostly resolved.
Best and worst years compared. Use this when shopping listings.
Plug an OBD2 scanner in before money changes hands. These are the codes most commonly seen on the Ram 1500. Pending codes matter as much as active ones.
Oil 8,000-10,000 mi synthetic on HEMI. 8HP fluid 60K. Spark plugs 100K. Coolant 100K. Air suspension service 60K. Front and rear diff 60K.
$800-1,100/year routine. Lifetime non-routine $4,500-7,500 to 200K. HEMI lifter failure alone can spike a year by $5K-7K.
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Always run the VIN at NHTSA before purchase. Open recalls are free to repair but must be addressed.
2022-2023 5th gen with HEMI eTorque (with non-MDS variant if possible). For older trucks, 2018 4th gen is the most mature.
2014-2016 EcoDiesel and any HEMI with documented unresolved lifter ticking.
The cylinder deactivation system collapses lifters in cylinders that frequently deactivate, causing misfires and metal in the oil. Common 80K-150K miles.
200K-250K is realistic on HEMI without MDS failure. Air suspension and electronics often fail first.
2014-2016 had emissions defeat-device issues. 2020 plus has EGR cooler failures. Maintained well, it can pass 200K.
Only if you tow heavy or want adjustable height. It is a long-term cost.
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