2018 Subaru Forester

The air conditioning system of my 2017 Subaru Forrester suddenly went out without warning. I noticed a defect when the A/C started buzzing with a high pitched sound and blowing semi-warm air instead of cool. I took my auto to a car repair shop. He provided this diagnostic analysis: Normal coolant level in the system. Performed Leak Detection Test- no detectable leak found at this time. A/C system pressures are too high on both pressure ports. A/C compressor has an internal noise. System is clogged. Ventilation interior cabin filter inspected and given a check at 24, 027 miles. Inspected , removed and replaced engine and cabin air filters at 41,600 miles. Inspected and removed and replaced engine and cabin air filters at 56,375. There are no other A/C related inspection or maintenance requirements to be accomplished (reference Subaru Forrester Maintenance/ Automation Subaru Arapahoe.My vehicle currently has 64,695 miles. My mechanic is currently working up an estimate for the A/C condenser, clutch, pump replacement... essentially the entire system. I consider this a latent defect and wish to be compensated for the repairs. Due to the weather, I wish to have the repairs accomplished and then be reimbursed. I have read articles on line stating this defect has become commonplace for 2017 and 2018 Subaru Forresters. This should be a recall item.

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.

The CVT parking brake switch has failed. The failure leads to the inability to remove the key from the ignition switch when the vehicle is in park. This happens repeatedly, with the only temporary solution being to restart the car, and force the shift lever from "park" to "drive" and back again rather violently. Yes, the problem was confirmed by the dealer and by Subaru of America; the latter issued a limited 1-year warranty extension for the issue a couple of years ago, but it has expired without any further extension (before the problem first presented on my car). The vehicle was inspected by a dealer that confirmed the problem and wanted to charge me to repair it. There were no prior messages, warning lamps or other symptoms prior to the problem first happening.

The AC compressor needs replaced and I see a lot of complaints on-line about this specific model- 2018 Forester so I am reporting in case it may help with a recall. Cost to repair is $2,000+. Right now it may only be covered under warranty or through a TSB goodwill. I will need to pursue with Subaru but wanted to report this in case it's helpful as there seems to be a lot of reports on this specific issue.

The defect presents itself when the equipped data communications module (DCM) attempts to communicate with 3G cellular networks. As 3G networks within the U.S. are no longer functioning, the call will continuously fail even after the vehicle has been turned off, draining the battery and resulting in a no-start safety risk for drivers. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I was driving on the interstate when car started vibrating and making a terrible sound. Dealership advised both front lower control arm bushings were worn and had play. Had them replaced but because they are rubber technician advised this will most likely happen again. My car has only 46k. I bought it new in 2017.

Air bag warning light comes on intermittently so passenger air bag system is off.

Airbag light comes on due to some failure in the passenger seat. This vehicle year has had a recall on the same issue but this VIN number was not included for some reason. Another consumer posted his assessment which I have attached. My vehicle falls under his category. He has sold his since his was never resolved.

While driving the vehicle I began to hear a loud grinding noise from the engine compartment when the A/C was engaged. I pulled over to look under the hood and it sounded like the noise was coming from the serpentine belt. Upon inspection by a Subaru dealership it was determined that the A/C compressor is failing. I was informed that there was a known issue with the 2018 Forester A/C compressor and the compressor has been redesigned. I was also informed that if I postponed repair then the compressor could seize up with would cause the serpentine belt to break which would then cause immediate engine failure. Such failure could be extremely dangerous if it happens when driving on a highway, etc. There was no warning light that appeared when the grinding noise started. I also listen to music when I drive so it was lucky that I heard the noise before the compressor seized. If Subaru had to redesign the compressor then it seems reasonable that a recall should be issued to prevent engine failure. All routine maintenance has been preformed on this vehicle at the dealership in a timely fashion. There is 78,000 miles on the vehicle and I am the original owner.

Unknown

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 in bumper to bumper traffic. There was already a recall on this but now with the new part the AC stopped working and sounds very bad under the hood while the car is turned on. AC is very much needed during hot summer day.s

I would like to bring your attention to an issue I recently had experienced concerning my 2018 Subaru Forester that I had purchased new in June of 2018, and to date has only 48,518 miles. A steering rattle sound/vibration had developed while driving at normal speeds on paved roadways. I made an appointment with my local Subaru dealer to have the condition checked out. After a test drive and inspection by the technician, it was determined that both front transverse bushings needed to be replaced, and a wheel alignment performed following the repair. I have done some research and discovered that Subaru had changed the inferior material of the cushion portion of the front transverse bushing due to premature failure of the component (Reference: Subaru TSB 05-63-18R). It is negligent for Subaru not to inform the consumers knowing that a potential safety issue existed in the steering system of the vehicle. I believe the Subaru corporation should have initiated a recall of the effected vehicles and replace the defective components, at no cost to the consumer, in order to restore the safety and drivability of the vehicle.

Wheel studs are of inferior quality, which leads to galling. Replacement of a wheel results in snapped studs. I have replaced three so far on two occasions within a week. Swapping to a spare in an emergency with broken studs will leads to accidents. As of now, I will need to drive with one broken stud to get it fixed. This is a known issue, the lugs were not over-torqued. The softness of the threads results in galling such that the threads tear out and fuse to the lug nut. How they have not issued recall/replacement/upgrades is astounding.

My drivers side seatbelt broke in a minor fender bender and was replaced.

Yesterday 6/19/25 I was driving out the driveway when the vehicle accelerated on its own, and not slowly, but like it had been punched. I was actually coasting at the time since I didn't want to stir up dust. My foot was not on the gas pedal. And it was not the floor mat. It happened on its own, the first time in 87,000 miles. It probably cannot easily be replicated as it was completely random, although now that it's happened once, it very well could happen again if there's a faulty or aging part or sensor. Neither the local dealer nor Subaru has acknowledged the problem (I called both today) but it's a SERIOUS safety issue. No check engine light or other means of warning. It just happened out of nowhere. Glad I was in the driveway and not in town waiting while a pedestrian was crossing the street.

The defect presents itself when the equipped data communications module (DCM) attempts to communicate with 3G cellular networks. As 3G networks within the U.S. are no longer functioning, the call will continuously fail even after the vehicle has been turned off, draining the battery and resulting in a no-start safety risk for drivers but in order to replace the DCM to the 4G it will cost upwards of $2000.

Subaru recall WUM98 was issued in 2019 to replace the ODS harness on my 2018 Subaru Forester. The part replacement was completed in in April 2020. The harness failed again in Oct 2024. It was replaced for the 2nd time. Now, my passenger air bag light is on for the 3rd time, and the dealership is indicating that the ODS mat is the culprit (not the harness). Subaru is not covering this under any open recall. Note that Subaru currently has an open recall WRA-24 for certain 2020 - 2022 Forester & Outback models to replace all (four) of the Occupant Detection System sensors in the front passenger seat. Since Subaru is saying that the issue in recall WRA-24 is the same as my issue, it is my belief that other models should also be included in this recall. It should also be noted that for WRA-24, they still don't have parts for many of the vehicles that need the seat assembly replaced, which may indicate supply issues. I was also told that Subaru does not have the seat assembly for my vehicle. The length of time for Subaru to get parts is unacceptable. Recall WRA-24 was issued by letter on May 21, 2024. It is my belief that they should also cover costs for rental vehicles until the issue is fixed.

Intermittent failure of occupant detection system on front passenger seat which turns off airbag even though an adult is sitting in the seat. The occupant detection system wiring harness was recalled and replaced in 2020. I believe there is a continuing issue with this recall either not being a complete solution or being repaired with a defective part or new part that did not solve the issue. This is a critical occupant safety issue. This issue has occurred multiple times and continues to be an issue.

Passenger front seat. Airbag light is on when someone is sitting in the seat and seatbelt indicator dings when nothing is in the seat.

Windshield cracked sitting parked matching Subaru TSB 12-192-15R except model of vehicle and Subaru stating not covered under the class action warranty extension