RoadVitals

2018 Harley-Davidson Flhc Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
3
+1 complaint in 30 days
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
1
Reports on file since Sep 13, 2021

What this page shows

Our database holds 3 NHTSA owner-reported complaints for the 2018 Harley-Davidson Flhc. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–3 of 3

Fuel system
Filed Jul 22, 2026

While idle fuel pushes out of overflow tube. The tank is usually not even half full when this happens. This has been a known issue with the manufacturer but haven't sent a recall out for it. They said they know that the pressure regulator was installed incorrectly from the factory.

NHTSA ID
11752016
Incident
Jul 21, 2026
Engine
Filed Aug 2, 2022

The contact owns a 2018 Harley-Davidson FLHC Heritage Classic. The contact stated while riding approximately 75 miles at 3500rpm at approximately 3,500 RPM, there was an oil pump defect in the sump. There also was unusual metal-on-metal sound. Additionally, there was oil leaking onto exhaust. The oil warning light illuminated. The contact also stated that there was a loss of power while riding at a lower speed. The motorcycle was taken to the local dealer to be diagnosed. The dealer informed the contact that after removing the the pump, there was not enough oil inside the pump. The contact was informed that the oil pump needed to be replaced. The motorcycle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 7,300. The consumer states that the oil leaks on long rides and Harley has a service bulletin for M8 engines 2017 to 2020 for oil pump sump problems.

NHTSA ID
11477147
Incident
Apr 16, 2021
Mileage
7,300 mi
Filed Sep 13, 2021

Failed: Clutch cable. Internal lining (yellow in attached photo) came loose and pulled out at the clutch hand control end. Cable saved. Safety: Occurred while riding. Caused difficulty disengaging the clutch making stopping difficult. Confirmed by dealer: Showed cable to local Harley Davidson dealer owner. He took photo to contact Harley Davidson. Dealer not aware of this as a problem and has not seen before. Vehicle Inspected: No. Additional Info: Cable has been maintained by using recommended lubricant (Harley Lube) at prescribed intervals. Vehicle has only 9037 miles.

NHTSA ID
11432710
Incident
Sep 8, 2021

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Data sources

Data on this page last refreshed .