Top fixes
Subaru Forester top fixes: how owners handle the common issues
Practical fixes for the common Subaru Forester faults owners run into.
Updated 4th September 2026 DVSA data: Across 14,668 recorded MOT tests, 23.7% failed.

More on the Subaru Forester
The Subaru Forester is a reliable and versatile vehicle, but like any car, it can experience common issues. Owners often report problems with the engine, suspension, and electrical systems. Fortunately, many of these issues can be addressed with practical fixes that enhance performance and longevity.
Engine Oil Consumption
One of the most frequently reported issues with the Subaru Forester is excessive engine oil consumption. This problem can lead to engine damage if not addressed promptly. Regularly checking the oil level and topping it up as needed is crucial. If you notice a significant drop in oil levels, consider using a thicker oil or consulting a mechanic for a potential engine rebuild or replacement of piston rings.
To mitigate oil consumption, ensure you use the recommended oil type and change it at regular intervals. Keeping the engine well-maintained can help reduce wear and tear, ultimately prolonging its life. If the problem persists, a professional diagnostic may reveal underlying issues that require attention.
Suspension Wear
Another common issue with the Subaru Forester is suspension wear, particularly in older models. Owners often report a bumpy ride or unusual noises when driving over bumps. Regularly inspecting the suspension components, such as struts and bushings, can help identify wear early on. Replacing worn parts can restore ride quality and improve handling.
If you experience a noticeable drop in ride comfort, consider having the suspension system evaluated by a qualified technician. They can recommend specific repairs or replacements to ensure your Forester remains stable and comfortable on the road. Additionally, routine checks can prevent more significant issues down the line.
Electrical System Problems
Electrical issues can also plague Subaru Forester owners, with problems ranging from faulty wiring to malfunctioning sensors. Common symptoms include warning lights on the dashboard, non-functioning windows, or issues with the central locking system. Diagnosing electrical problems can be complex, so it is advisable to consult a professional if you encounter persistent issues.
To address minor electrical problems, start by checking fuses and connections. Corroded terminals can lead to poor connections, so cleaning them may resolve some issues. If the problem persists, a comprehensive diagnostic test can pinpoint the source of the fault, allowing for targeted repairs.
Head Gasket Failures
Head gasket failures are a serious concern for Subaru Forester owners, particularly in older models. Symptoms include overheating, coolant leaks, and white smoke from the exhaust. If you suspect a head gasket issue, it is essential to act quickly to prevent engine damage. Regularly checking coolant levels and monitoring engine temperature can help catch problems early.
If a head gasket failure is confirmed, the repair can be costly and labour-intensive. However, addressing the issue promptly can save you from more extensive engine repairs later. Some owners opt for preventative measures, such as using high-quality coolant and maintaining proper engine temperatures to reduce the risk of gasket failure.
Brake System Maintenance
The brake system in the Subaru Forester is generally reliable, but some owners report issues with brake pads and rotors wearing out prematurely. Regular inspection of the brake components is essential for safe driving. If you notice squeaking or grinding noises, it may be time to replace the pads or rotors.
To extend the life of your brake system, ensure you use high-quality replacement parts and follow the manufacturer’s recommendations for maintenance. Additionally, avoiding aggressive driving can help reduce wear on the brakes. If you experience a spongy brake pedal or decreased stopping power, have the system checked immediately.
Transmission Concerns
Some Subaru Forester owners have reported issues with the automatic transmission, particularly in older models. Symptoms can include slipping, rough shifting, or unusual noises. Regular transmission fluid changes are essential to keep the system functioning smoothly. If you notice any of these symptoms, it is advisable to consult a professional for a thorough inspection.
To prevent transmission issues, ensure you follow the recommended service intervals for fluid changes. Using the correct type of fluid is also crucial, as it can significantly impact transmission performance. If problems persist, a transmission specialist can provide insights into potential repairs or replacements needed to restore functionality.
Subaru Forester recall record
12 recalls have been issued for the Subaru Forester, between 2012 and 2022.
THE IMPELLER DEFORMATION MAY CAUSE THE FUEL PUMP TO BECOME INOPERATIVE
R/2022/266Issued 19 September 2022
The fuel pump impeller may cause the pump failure resulting in stalling of the vehicle.
Remedy:Replace the fuel pump assembly.
Affects cars built Nov 2020 to Jun 2021
POTENTIAL FAILURE OF THE IGNITION COIL MODULE CAUSING ENGINE STALL AND A NONE START CONDITION
R/2021/353Issued 1 November 2021
Ignition coils may short circuit and fail.�
Remedy:Replace all ignition coils. If a misfire DTC is stored replace the front exhaust pipe.�
Affects cars built Sept 2016 to Oct 2019
THE BOLTS OF THE REAR STABILISER BRACKET MIGHT BECOME LOOSE
R/2021/352Issued 1 November 2021
The bolts on the rear stabilizer bracket might become loose.�
Remedy:Inspect the bolts and tighten them to the�specified��torque.�If the bolt(s) are missing new bolts will be�attached.�
Affects cars built Apr 2017 to May 2019
DUE TO IMPROPER ECM PROGRAMMING UNDER CERTAIN CIRCUMSTANCES THE IGNITION COIL MAY BE ENERGIZED LONGER THAN DESIGNED AFTER THE ENGINE IS OFF
R/2020/316Issued 15 November 2020
Possible engine stall and restart failure.
Remedy:Re-programme the engine control module and replace if required the ignition coil.
Affects cars built Sept 2016 to Oct 2019
8 older recalls not shown.
A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.
Subaru Forester MOT record
From 14,668 recorded MOT tests, 23.7% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2022 | 261 | 5.0% | 24,852 mi |
| 2021 | 724 | 9.0% | 33,703 mi |
| 2020 | 226 | 8.8% | 38,072 mi |
| 2019 | 1,092 | 8.1% | 40,947 mi |
| 2018 | 914 | 14.0% | 50,636 mi |
| 2017 | 895 | 17.6% | 60,440 mi |
| 2016 | 1,172 | 22.4% | 69,659 mi |
| 2015 | 974 | 23.2% | 77,894 mi |
Most common reasons for failure
- A suspension pin, bush or joint excessively worn46.1%
- Tyre tread depth not in accordance with the requirements17.9%
- A tyre seriously damaged13.1%
- A suspension component excessively damaged or corroded12.7%
- a brake lining or pad worn below 1.5mm10.2%
Figures cover every Subaru Forester tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Subaru Forester official figures
Median across 3 variants on sale, petrol electric.
- Combined economy
- 34.9 mpg
- WLTP median across variants
- CO2 emissions
- 183 g/km
- Sets the first-year tax rate
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What common issues should I look for in a used Subaru Forester?
Common issues include oil leaks, electrical problems, and worn suspension components. It's also wise to check for rust, especially in older models.
How can I tell if the head gasket is failing on a Subaru Forester?
Signs of a failing head gasket include overheating, white smoke from the exhaust, and coolant mixing with engine oil. A compression test can also help diagnose the issue.
Are there any recalls on the Subaru Forester I should be aware of?
Recalls are issued against individual vehicles rather than a model as a whole, so a model-level yes or no would be guesswork. Enter the registration on Honest Car Check and we check the DVSA record for that specific car. Where DVSA holds no status, confirm it with a franchised dealer using the VIN.
How often should I change the oil in my Subaru Forester?
It is generally recommended to change the oil every 6,000 to 8,000 miles or annually, whichever comes first. Always refer to your owner's manual for specific guidance.
What are the signs that my Subaru Forester needs new brakes?
Signs include squeaking or grinding noises, a spongy brake pedal, and reduced braking performance. If you notice any of these, it's best to have your brakes inspected.
Is it worth getting a pre-purchase inspection for a used Subaru Forester?
Yes, a pre-purchase inspection can uncover hidden issues and give you peace of mind. It can save you from costly repairs down the line.
How do I maintain the all-wheel drive system in my Subaru Forester?
Regularly check the fluid levels and ensure the system is functioning properly. It's also important to rotate the tyres and keep them properly inflated to maintain optimal performance.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- VCA new car fuel consumption and emissions data (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)