2018 Honda Ridgeline Engine cooling Problems
- Complaints
- 2about this part
- Share
- 1%of 162 total for the year
- Median mileage
- 89,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2018 Honda Ridgeline, 1% of the 162 complaints for this model year. Where a mileage was given, the median is 89,500 miles.
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.
“The contact owns a 2018 Honda Ridgeline. The contact stated while driving at an undisclosed speed, the engine made abnormal clicking sounds. The vehicle was taken to an independent mechanic, who referred the contact to the dealer. The vehicle was then taken to the dealer, where it was diagnosed with connecting rod bearing wear and it was determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. …”
NHTSA complaint #11570313, filed 2024-02, 86,000 miles“The contact owns a 2018 Honda Ridgeline. The contact stated that while driving at various speeds, several unknown warning lights illuminated on the instrument panel and the vehicle stalled. The vehicle failed to restart. The vehicle was towed to a local dealer where it was diagnosed that the lower connecting rod was causing the rob bearing to fail. After further investigation, the contact related the failure to NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling). The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 93,000.”
NHTSA complaint #11619280, filed 2024-10, 93,000 milesRelated service bulletins
- 10241879Aug 31, 2023Service Bulletin - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding…
- 10241864Aug 31, 2023Dealer Message - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force…
- 10231830Feb 7, 2023Dealer Message- American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Odyssey, Pilot, Ridgeline with a customer complaint of the vehicle running rough or in low…
- 10230594Jan 19, 2023Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Odyssey, Pilot, Ridgeline with a customer complaint of the vehicle running rough or in…
- 10219529Aug 30, 2022Service bulletin - The MIL is on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction). Dirt may be clogging the EVAP canister vent tube.
- 10216876Jul 22, 2022Service bulletin - The MIL is on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction). Dirt may be clogging the EVAP canister vent tube.
- 10190947Apr 22, 2021Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Odysseys, Passports, Pilots & Ridgelines with a customer complaint of the Malfunction…
- 10189942Mar 29, 2021"Owner Notification Letter - On some 2017-19 Pilot, 2017-19 Ridgeline, and 2018-19 Odyssey models, the malfunction indicator light (MIL) may come on if one or more of the…
- 10187008Feb 11, 2021"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector…
- 10187005Feb 11, 2021Service Bulletin - MIL Comes On with DTC P0430 or P0430 with P030X, P219A, P219B (Without Software Update)
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 9% |
| 2024 | 1 | 1% |
| 2023 | 2 | 2% |
| 2021 | 3 | 3% |
| 2019 | 6 | 3% |
| 2018 | 2 | 1% |
| 2017 | 11 | 3% |
| 2011 | 1 | 3% |
| 2008 | 5 | 4% |
| 2007 | 2 | 1% |
| 2006 | 14 | 6% |
Other parts of the 2018 Honda Ridgeline
49 complaintsBack-over prevention (rear camera)
31 complaintsFuel system
30 complaintsEngine
22 complaintsOther or unknown
17 complaintsTransmission and drivetrain
10 complaintsBody and structure
9 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsLane departure
6 complaintsBrakes
4 complaintsForward collision avoidance
2 complaintsVehicle speed control
2 complaints
← All problems reported for the 2018 Honda Ridgeline
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