2018 Hyundai Tucson service brakes, hydraulic problems
20 owner complaints filed with NHTSA name the service brakes, hydraulic on the 2018 Hyundai Tucson — 5% of all complaints for this model year.
What owners report
“The contact owns a 2018 Hyundai Tucson. The contact stated that while driving approximately 65 MPH, there was a knocking sound coming from the engine compartment, and the vehicle started shaking aggressively. The brake pedal was depressed; however, the vehicle failed to respond as needed, and the…”
filed Sep 14, 2026
“The contact owns a 2018 Hyundai Tucson. The contact stated while driving 70 MPH and depressing accelerator pedal, the vehicle started to decelerate. The contact pulled over to the right side of the road and turned off the vehicle. The contact waited for two minutes and attempted to restart the…”
filed Jun 10, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Hyundai Motor America (Hyundai) recalled certain 2019-2021 Tucson vehicles on September…Campaign 20V543000 · Sep 4, 2020
Service Brakes, Hydraulic problems in other Tucson years
| Year | Reports | Share |
|---|---|---|
| 2026 Tucson | 1 | 2% |
| 2025 Tucson | 1 | 0% |
| 2023 Tucson | 1 | 1% |
| 2022 Tucson | 1 | 0% |
| 2021 Tucson | 3 | 4% |
| 2020 Tucson | 17 | 10% |
| 2019 Tucson | 62 | 16% |
| 2017 Tucson | 19 | 2% |
| 2016 Tucson | 15 | 1% |
| 2015 Tucson | 52 | 23% |
| 2014 Tucson | 41 | 20% |
| 2013 Tucson | 31 | 12% |
Other reported problem areas on the 2018 Hyundai Tucson
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.