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Engine coolingPart report

2018 Chrysler Pacifica Engine cooling Problems

Complaints
3about this part
Share
0%of 889 total for the year
Median mileage
51,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 2018 Chrysler Pacifica, 0% of the 889 complaints for this model year. Where a mileage was given, the median is 51,000 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 Chrysler Pacifica. The contact stated that while driving 15 MPH, there was white smoke coming from the front of the vehicle. The check engine warning light was illuminated. A dealer was contacted. The vehicle was taken to a dealer to be diagnosed, and it was determined that coolant was leaking into cylinder #3, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that the vehicle warranty had expired. The approximate failure mileage was 130,000.”

NHTSA complaint #11756330, filed 2026-08, 130,000 miles

“The contact owns a 2018 Chrysler Pacifica. The contact stated that while driving at slow speeds, the vehicle transmission shifted to park with the START/STOP system warning light illuminated. The contact took the vehicle to an independent mechanic where an unknown repair was performed; however, the failure persisted. The contact then took the vehicle to the dealer and was informed that the gear shifter module needed to be replaced. About a year later, the contact stated that the START/STOP warning light and the check engine warning light were illuminated. …”

NHTSA complaint #11601455, filed 2024-07, 36,000 miles

“The contact owns a 2018 Chrysler Pacifica. The contact stated that while operating the vehicle, the check engine warning light remained illuminated. The contact stated that there was no coolant in the coolant reservoir. The vehicle was taken to the local mechanic, who indicated that a coolant pressure test was needed. The vehicle was later taken to the local dealer, who diagnosed that the front and rear head gaskets needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 51,000.”

NHTSA complaint #11695869, filed 2025-10, 51,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202210%
202032%
201921%
201830%
2017141%
20081111%
20073310%
200610114%
200521117%
200411713%

Other parts of the 2018 Chrysler Pacifica

Engine
378 complaintsElectrical system
290 complaintsSteering
185 complaintsTransmission and drivetrain
157 complaintsOther or unknown
114 complaintsFuel system
48 complaintsElectronic stability control
37 complaintsVehicle speed control
35 complaintsBrakes
31 complaintsSuspension
20 complaintsBody and structure
19 complaintsForward collision avoidance
15 complaints

← All problems reported for the 2018 Chrysler Pacifica

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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