2018 Subaru Forester engine problems
31 owner complaints filed with NHTSA name the engine on the 2018 Subaru Forester — 6% of all complaints for this model year.
What owners report
“The A/c compressor seized up causing the belt to break. Looked up online and it seems it's a common occurrence with this year and model.”
filed Mar 20, 2026
“The AC compressor/condesor needs replaced and I see a lot of complaints on-line about this specific model- 2018 Forester. My kids and I were on a road trip in August 2025 when it stopped working. It was extremley hot even with the windows down and heat stroke became very real while we were sitting…”
filed Feb 3, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and…
02-193-24R · Service Bulletin/Repair Instructions · issued Jun 30, 2026This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and…
02-193-24R · Service Bulletin/Repair Instructions · issued May 13, 2026This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push…
18-230-26 · Service Bulletin/Repair Instructions · issued May 1, 2026
Engine problems in other Forester years
| Year | Reports | Share |
|---|---|---|
| 2025 Forester | 3 | 3% |
| 2024 Forester | 1 | 4% |
| 2023 Forester | 5 | 7% |
| 2022 Forester | 10 | 11% |
| 2021 Forester | 32 | 15% |
| 2020 Forester | 74 | 12% |
| 2019 Forester | 106 | 13% |
| 2017 Forester | 46 | 8% |
| 2016 Forester | 60 | 15% |
| 2015 Forester | 131 | 21% |
| 2014 Forester | 69 | 17% |
| 2013 Forester | 26 | 34% |
Other reported problem areas on the 2018 Subaru Forester
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.