2018 Ram 3500 Engine cooling Problems
- Complaints
- 3about this part
- Share
- 0%of 808 total for the year
- Median mileage
- 42,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2018 Ram 3500, 0% of the 808 complaints for this model year. Where a mileage was given, the median is 42,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“67A recall was not performed on my vehicle nor was I notified of it. I have had SCR catalyst issues and def issues and my vehicles constantly fails emissions. Ram and Cummins have stated that my vehicle is not included in the recall but I am having the same issues as the 67A recall.”
NHTSA complaint #11575111, filed 2024-03“The contact owns a 2018 RAM 3500. The contact stated while attempting to start the vehicle, the contact noticed an abnormal cracking sound and smoke coming from the engine compartment. The contact inspected and used a fire extinguisher to slow the smoke and electrical sparks down. The contact did not notice any fire. The fire department arrived and disconnected the electrical cables to prevent further damage. The contact stated that the vehicle was inoperable. In addition, the contact stated that the failure occurred while the contact was traveling on vacation. …”
NHTSA complaint #11748890, filed 2026-07, 23,000 milesRelated service bulletins
- 10251812Jan 10, 2024Emission Recall 67A D Truck Engine Calibration
- 10248914Nov 30, 2023Emission Recall 67A - D Truck Engine Calibration
- 10242795Jul 12, 20236.7L New Oil Usage Information Incorrect oil used. This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2023 to 2013 HD…
- 10239957May 18, 2023Water Quality When Mixed With Engine Coolant
- 10236933Apr 15, 2023wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
- 10229454Aug 8, 2022COOLER - EGR
- 10227983Apr 2, 2022If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
- 10229059Mar 17, 2022No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
- 10220688Mar 6, 2022Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
- 10212291Mar 6, 2022Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 6% |
| 2022 | 2 | 1% |
| 2021 | 3 | 5% |
| 2020 | 4 | 3% |
| 2019 | 5 | 4% |
| 2018 | 3 | 0% |
| 2017 | 4 | 1% |
| 2016 | 4 | 3% |
| 2015 | 3 | 2% |
| 2014 | 5 | 2% |
| 2013 | 2 | 2% |
Other parts of the 2018 Ram 3500
668 complaintsElectrical system
137 complaintsVehicle speed control
108 complaintsForward collision avoidance
60 complaintsOther or unknown
40 complaintsSteering
34 complaintsWheels
24 complaintsTransmission and drivetrain
23 complaintsEngine
15 complaintsSuspension
11 complaintsTires
10 complaintsFuel system
7 complaints
← All problems reported for the 2018 Ram 3500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology