Subaru Forester common problems and reliability issues
Honest rundown of the most common Subaru Forester faults, what to watch for, and how to keep one running well.

The Subaru Forester is generally regarded as a reliable vehicle, but like any car, it has its share of common problems. Owners may encounter issues related to the engine, transmission, suspension, electrical system, and interior features. Understanding these potential faults can help you decide with confidence when considering a Forester.
Engine Issues
One of the most frequently reported problems with the Subaru Forester involves its engine. Some owners have experienced excessive oil consumption, particularly in models with the 2.5-litre engine. This can lead to engine wear and, in severe cases, engine failure if not addressed promptly.
Additionally, the timing belt can be a concern, especially in older models. If the timing belt is not replaced at the recommended intervals, it may snap, resulting in significant engine damage. Regular maintenance and checks can help mitigate these risks.
Transmission Problems
Transmission issues are another common complaint among Subaru Forester owners. Some models, particularly those with the continuously variable transmission (CVT), have been reported to experience shuddering or slipping during acceleration. This can affect the overall driving experience and may require costly repairs.
Moreover, the transmission fluid should be changed regularly to ensure optimal performance. Neglecting this maintenance can lead to premature wear and tear on the transmission components, potentially resulting in more severe issues down the line.
Suspension and Steering Concerns
The suspension system in the Subaru Forester is generally robust, but some drivers have reported problems with the struts and shocks. Over time, these components can wear out, leading to a rougher ride and decreased handling performance. If you notice excessive bouncing or a decrease in ride comfort, it may be time to inspect the suspension system.
Steering issues can also arise, particularly with the power steering system. Some owners have experienced a loss of power steering assistance, making the vehicle harder to manoeuvre. Regular checks and maintenance of the steering system can help identify potential issues before they escalate.
Electrical System Faults
Electrical problems are not uncommon in the Subaru Forester, with issues often reported in the battery and alternator. A failing alternator can lead to battery drain, causing starting issues and electrical malfunctions. It is advisable to have the electrical system checked regularly, especially if you notice dimming lights or warning lights on the dashboard.
Furthermore, some owners have reported problems with the infotainment system, including software glitches and connectivity issues. Keeping the system updated and ensuring that all connections are secure can help alleviate some of these concerns.
Interior and Comfort Features
While the Subaru Forester is known for its practicality and comfort, some owners have encountered issues with interior features. Problems with the air conditioning system, such as weak airflow or failure to cool, can be frustrating, especially during warmer months. Regular servicing of the air conditioning system can help maintain its efficiency.
Additionally, wear and tear on upholstery and interior trim can occur over time. Some owners have reported issues with the quality of materials used, leading to premature wear. Taking care of the interior and using protective covers can help prolong the life of these features.
Brake System Concerns
The brake system in the Subaru Forester is generally reliable, but some common issues have been reported. Brake pads and rotors may wear out faster than expected, particularly if the vehicle is frequently driven in stop-and-go traffic or under heavy loads. Regular inspections and timely replacements can help ensure optimal braking performance.
Moreover, some drivers have noted that the brake warning light may illuminate even when the brakes are functioning correctly. This could be due to a faulty sensor or electrical issue. It is important to have any warning lights checked by a professional to avoid potential safety hazards.
Understanding these common problems can help Subaru Forester owners maintain their vehicles effectively. Regular maintenance and prompt attention to any issues can enhance the longevity and reliability of this versatile SUV.
Frequently asked questions
What are the most common issues with the Subaru Forester?
Common issues include excessive oil consumption, head gasket failures, and problems with the CVT transmission. Regular maintenance can help mitigate some of these problems.
How reliable is the Subaru Forester?
The Subaru Forester is generally considered reliable, but like any vehicle, it can experience issues. It's important to check the service history and look for any recurring problems.
Are there any known electrical problems with the Subaru Forester?
Some owners have reported electrical issues, such as problems with the battery and alternator. It's advisable to have the electrical system checked if you notice any warning lights.
What should I look for when buying a used Subaru Forester?
Check for service records, signs of oil leaks, and the condition of the CVT transmission. A thorough inspection can help you avoid common pitfalls.
Is the Subaru Forester prone to rust?
While the Subaru Forester is generally well-built, some older models may show signs of rust, especially in areas exposed to road salt. Inspect the undercarriage and wheel arches for any signs of corrosion.
How can I prevent common problems with my Subaru Forester?
Regular servicing and timely oil changes can help prevent many common issues. Additionally, addressing any warning signs early can save you from more significant repairs down the line.
What are the signs of a failing CVT transmission in a Subaru Forester?
Signs of a failing CVT transmission include unusual noises, slipping, or delayed acceleration. If you experience these symptoms, it's best to have the transmission checked by a professional.
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Sources
DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.