Subaru Forester top fixes: how owners handle the common issues
Practical fixes for the common Subaru Forester faults owners run into.

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.
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?
Yes, certain models have had recalls for various issues, including brake problems and fuel leaks. Always check the latest recall information through the official Subaru website or the DVSA.
What is the average cost of servicing a Subaru Forester?
Servicing costs can vary, but you can expect to pay between £150 and £300 for a standard service. It's best to consult local garages for specific quotes.
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.
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Sources
DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.