2006 Subaru Legacy Engine Makes A Ticking Noise

Troubleshooting Ticking Noises in Your 2006 Subaru Legacy Engine: Causes and Solutions

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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 2006 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 2006 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 the engine of a 2006 Subaru Legacy?

When encountering a ticking noise in the engine of a 2006 Subaru Legacy, it's crucial to consider several common problems that could be at play. One of the primary culprits is valve clearance, which can become misaligned over time, resulting in a noticeable ticking sound, particularly at idle. Additionally, lifters may also contribute to this noise; if they are malfunctioning due to wear, bent push rods, or oil deposits, they can create a persistent ticking sound. To address these issues, DIYers can start by checking the valve clearance, which may involve removing the valve covers for adjustment. If the lifters are suspected to be the source of the noise, they may need to be inspected and potentially replaced. By systematically evaluating these components, you can effectively diagnose and resolve the ticking noise, ensuring your Subaru Legacy runs smoothly.

How urgent is it to address the ticking noise in the engine of a 2006 Subaru Legacy?

Addressing a ticking noise in the engine of a 2006 Subaru Legacy is crucial for maintaining the vehicle's health and safety. Ignoring this symptom can lead to severe consequences, including engine damage that may require costly repairs. Early detection is key; if the noise persists even after the engine has warmed up, it could indicate underlying issues such as low oil levels, worn lifters, or faulty spark plugs. These problems, if left unchecked, can escalate quickly, leading to more significant damage and safety risks while driving. For DIY enthusiasts, it’s essential to conduct a thorough diagnosis to identify the root cause of the noise. Regular maintenance and prompt attention to unusual sounds not only prolong the life of your vehicle but also ensure a safer driving experience. Therefore, if you notice a ticking noise, it’s advisable to investigate the issue without delay to prevent further complications.

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2006 Subaru Legacy Engine Ticking Noise Causes & Repairs