2011 Subaru Forester Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2011 Subaru Forester Engine and How to Address Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
12% chance it's the
Exhaust Leak
0%
88% chance it's
Something else
The most common reasons a 2011 Subaru Forester engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak.
  • Exhaust Leak: A damaged exhaust manifold or a loose connection in the exhaust system can cause an exhaust leak, resulting in increased noise and potential loss of engine power.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2011 Subaru Forester engine makes a ticking noise?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

An engine leaking oil does not always make a puddle on the ground. A burning smell may be noticed from the front of the vehicle after driving. This is because engine oil leaks may fall onto hot engine components, especially the exhaust manifold, and burn off before making it to the ground. This poses a risk to the engine because the leak going unnoticed may deplete the engine oil reserve, and lead to an oil starvation issue. Some engine oil leaks only occur while the engine is running, so the leak may be larger than the small spot on the ground makes it seem.

Noises can be accompanied by many annoying or worrisome sensations. Consider the noise of grinding brakes, the noise sounds much like the brake pedal and steering wheel feel. This is important, as random noises can be difficult to replicate without knowing when the sound occurs, what must be done to make the sound, and what sound it is. Any professional technician can replicate and diagnose most noises, but to ensure the vehicle is more quickly diagnosed, make sure you tell your technician these three pieces of information.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What could be causing the ticking noise in the engine of a 2011 Subaru Forester, and how should I diagnose it?

To effectively diagnose the ticking noise in your 2011 Subaru Forester, start by carefully listening to the engine to pinpoint the noise's origin. If the sound is coming from the top of the engine, it may indicate valvetrain issues, such as worn valve lash adjusters or problems with the AVLS spring tensioners. Conversely, if the noise seems to emanate from the bottom, it could suggest more serious concerns like rod knock or bearing wear. Next, observe how the noise behaves as the engine warms up; some issues may diminish with temperature, providing clues to their nature. Conduct a visual inspection of the engine components, checking for any signs of leaks or wear, particularly around the cam belt and its tensioner. If the engine lights are off and there are no immediate warning signs, the issue may not be critical, but it still warrants attention. Lastly, consider consulting online forums or experienced mechanics who specialize in Subaru vehicles, as they can offer insights based on similar experiences. By following this structured approach, you can systematically narrow down the potential causes of the ticking noise and take appropriate action to resolve it.

What are the common causes of a ticking noise in the engine of a 2011 Subaru Forester?

When dealing with a ticking noise in the engine of a 2011 Subaru Forester, it's essential to consider several common problems that could be at play. One of the first things to check is the fuel quality; using fuel with an octane rating lower than the manufacturer's recommendation can lead to undesirable engine noises. Additionally, inspect the spark plugs, as worn or improperly gapped plugs can contribute to ticking sounds. Carbon buildup in the combustion chamber or on fuel injectors is another potential culprit, and using a fuel injector cleaner can help alleviate this issue.

Valvetrain problems, such as worn lifters or insufficient oil pressure, may also be responsible for the noise, so it's wise to inspect these components. Low engine oil levels or using the incorrect oil grade can exacerbate ticking sounds, making it crucial to check the oil level and ensure the right oil is being used. If the noise persists after the engine warms up, it could indicate timing chain or tensioner issues, which require immediate attention. Lastly, more severe problems like bearing or piston issues could be the source of a loud ticking noise, necessitating a thorough inspection. By systematically evaluating these factors, you can effectively diagnose and address the ticking noise in your Subaru Forester.

How urgent is it to address the ticking noise in the engine of a 2011 Subaru Forester?

When dealing with a ticking noise in your 2011 Subaru Forester, understanding the urgency of the situation is crucial for preventing further damage and ensuring your safety. If the ticking is only noticeable when the engine is cold and fades shortly after starting, it may not require immediate action, but it’s wise to keep an eye on it. However, if the noise persists or intensifies as the engine warms up, this could signal a more serious issue, such as a failing timing chain tensioner or bearing problems, which necessitate prompt attention. Ignoring these symptoms can lead to significant engine damage, potentially resulting in costly repairs or even complete engine failure. Therefore, if you experience a loud, continuous ticking noise, it is imperative to have your vehicle inspected by a professional as soon as possible to mitigate risks and ensure the longevity of your engine.

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