2015 Subaru Legacy Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2015 Subaru Legacy Engine and How to Address Them

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Reviewed by
Aisha
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 2015 Subaru Legacy 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 or corroded exhaust system component can create 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 2015 Subaru Legacy 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 a 2015 Subaru Legacy engine?

When diagnosing a ticking noise in your 2015 Subaru Legacy engine, start with the simplest and most accessible checks. First, inspect the oil level and pressure, as low oil can lead to insufficient lubrication, causing components to make noise. If the oil level is adequate, examine the ignition system for any misfires or irregularities that could contribute to the ticking sound. Next, check for exhaust leaks, which can create a ticking noise as exhaust gases escape. If these initial checks do not resolve the issue, consider investigating the lifters and push rods, as wear or damage in these components can lead to ticking. Lastly, inspect the drive belt idler pulley for any signs of failure, as this can also produce a noticeable noise. By following this methodical approach, you can effectively narrow down the potential causes of the ticking noise and address the issue before it escalates into more significant engine problems.

What are the common causes of a ticking noise in the engine of a 2015 Subaru Legacy?

When diagnosing a ticking noise in the engine of a 2015 Subaru Legacy, it's essential to consider several common problems that could be at play. One of the primary culprits is low oil level or pressure, which can lead to insufficient lubrication of engine components, resulting in a ticking sound. Regularly checking and maintaining the oil level can help prevent this issue. Additionally, problems with the ignition system, such as faulty spark plugs or ignition coils, can also produce a ticking noise, particularly if the engine is misfiring. Another potential cause is an exhaust leak, which can create a distinct ticking sound as exhaust gases escape from the system. Furthermore, worn or broken lifters, which are crucial for controlling valve movement, can lead to noticeable ticking noises, especially when the engine is under load. It's important to address these sounds promptly, as they can indicate developing issues that may affect the vehicle's performance and longevity. Regular maintenance and timely inspections can help identify these problems early, allowing for effective DIY repairs.

How urgent is it to address the ticking noise in the engine of a 2015 Subaru Legacy?

Addressing the ticking noise in your 2015 Subaru Legacy is crucial, as neglecting this symptom can lead to significant engine damage and safety risks. The urgency of the situation largely hinges on the underlying cause of the noise; for instance, if the ticking is due to low oil levels or contaminated oil, it could result in severe engine wear or failure if not addressed promptly. Additionally, certain ticking noises may indicate more serious mechanical issues, such as problems with the valve train or timing components, which could escalate into costly repairs if left unchecked. Regular maintenance and timely inspections are essential to prevent minor issues from developing into major problems. If the noise is causing you discomfort while driving, it’s wise to seek a professional diagnosis to ensure your vehicle remains safe and reliable. Ultimately, prioritizing the resolution of this ticking noise can save you from more extensive repairs and enhance your driving experience.

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