2001 Subaru Forester Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2001 Subaru Forester Engine and How to Address Them

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Reviewed by
Devin Cabugcal
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 2001 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 2001 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 are the potential causes of a ticking noise in the engine of a 2001 Subaru Forester, and how should I diagnose them?

When diagnosing a ticking noise in the engine of a 2001 Subaru Forester, it's essential to adopt a systematic approach that begins with the most straightforward solutions. Start by observing the noise pattern; note when the ticking occurs, whether it’s more pronounced when the engine is cold or at low RPMs, and if it diminishes as the engine warms up. This initial observation can provide valuable clues about the underlying issue. Next, check the oil and lubrication system, ensuring that the correct viscosity of oil is being used and that oil levels are adequate. If the oil appears dirty or is of the wrong viscosity, consider changing it, as this can often resolve lubrication-related noises.

Following this, inspect the spark plugs for wear and proper gap settings, as faulty spark plugs can contribute to ticking sounds. If carbon buildup is suspected, using a fuel injector cleaner can help alleviate the issue by breaking down deposits in the combustion chamber. If these simpler steps do not resolve the noise, it may be time to consult a mechanic for a more thorough inspection of the valve train and potential mechanical issues, such as a failing timing chain tensioner. By methodically addressing these areas, you can effectively diagnose and potentially resolve the ticking noise in your Subaru Forester.

What are the common causes of a ticking noise in the engine of a 2001 Subaru Forester?

When dealing with a ticking noise in the engine of a 2001 Subaru Forester, it's essential to understand the common problems that could be at play. One of the primary culprits is valve train issues, which can arise from the need for periodic valve lash adjustments. If you're comfortable with basic engine maintenance, checking and adjusting the valve lash could potentially resolve the noise. Another frequent cause is piston slap, particularly in Subaru's boxer engines, which may be more noticeable when the engine is cold. This noise often subsides as the engine warms up, but if it persists, it may warrant further investigation. Timing chain or belt issues can also lead to ticking sounds, especially if the tensioner is failing. Inspecting these components can help you determine if they need replacement. Additionally, rod knock, while less common, is a serious issue that can manifest as a ticking noise under load. If you suspect this, checking the engine oil for metal flakes is crucial, as their presence indicates significant engine damage. Spark plug problems and fuel-related issues, such as using the wrong octane fuel, can also contribute to ticking noises. Ensuring you have the correct spark plugs and using quality fuel can mitigate these concerns. By understanding these common problems, DIY enthusiasts can better diagnose and address the ticking noise in their Subaru Forester, potentially saving on costly repairs.

How urgent is it to address the ticking noise in the engine of a 2001 Subaru Forester?

When it comes to the ticking noise in your 2001 Subaru Forester, it's essential to understand that while it may be concerning, it is generally not an urgent issue. The sound is often attributed to lifter tick or piston slap, both of which are common characteristics of Subaru's boxer engines. These noises typically become less noticeable as the engine warms up, indicating that they are not usually linked to severe mechanical problems. However, neglecting regular maintenance, such as timely oil changes and using the correct oil type, can lead to more significant issues over time. While the ticking itself may not pose an immediate risk, ensuring your engine is well-lubricated and monitored is crucial for long-term health. If the noise persists or worsens, it’s wise to consult a professional to rule out any underlying issues, but for most owners, this ticking is a normal part of the engine's operation that can be managed with proper care.

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2001 Subaru Forester Engine Ticking Noise: Causes & Repairs