Complaints about the 2018 Harley-Davidson Flhc peaked in 2021, with 1 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Motorcycle, gasoline, built in United States. Owner complaints on file from Sep 13, 2021 to Jul 22, 2026.
Owner complaints about this model year, by the year they were filed with NHTSA.
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 25V-375 | Jun 6, 2025 | Mounting tab on the rear shock pre-load adjuster may break, allowing the rear shock absorber adjuster to damage the rear tire, causing a loss of… | Suspension | 82,117 | Repair or modification |
| 23V-591 | Aug 22, 2023 | Fastener securing the rear shock absorber may break and allow the rear shock absorber adjuster to damage the rear tire, causing a loss of tire… | Suspension | 65,224 | Part replacement |
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
3 complaints on file, page 1 of 1.
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 complaint 11752016The 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 complaint 11477147Failed: 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 complaint 11432710Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.