2009 Acura RL Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2009 Acura RL Engine and How to Address Them

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Reviewed by
Andrew Hajjar
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 2009 Acura RL 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 2009 Acura RL 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.

If the drive belt idler pulley fails, there will be a very audible chirping noise from the front of the engine. This is because the idler pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to slip off. If the belt falls off, the accessory that it drives will no longer function. For instance, if the alternator belt idler pulley fails, the alternator may stop functioning. Also if the pulley begins to wobble, allowing slack in the belt, it will make an extremely loud squeaking or screeching noise, especially on cold starts. This is the belt slipping on the crankshaft pulley, and will require belt replacement once the idler pulley is replaced.

If the drive belt tensioner fails, there will be a very audible chirping, grinding, or rattling noise from the front of the engine. This is because the tensioner pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to lose tension, or break. If the belt falls off, the accessory that it drives will no longer function. Also, if the tensioner spring fails, allowing slack in the belt, it may make an extremely loud squeaking or screeching noise combined with a rattle as the tensioner bounces back and forth under load. The squealing noise is the belt slipping on the crankshaft pulley, and will require belt replacement once the belt tensioner is replaced.

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.

How to diagnose a ticking noise in a 2009 Acura RL engine?

To effectively diagnose a ticking noise in your 2009 Acura RL engine, begin by checking the engine oil level, as low oil can lead to metal-on-metal contact, resulting in a ticking sound. If the oil level is adequate and the noise continues, the next step is to inspect the valve lifters, as they may be faulty and require replacement. Additionally, consider examining the serpentine belt; you can do this by temporarily removing it and starting the engine to see if the ticking noise persists. If the noise is still present, a more in-depth inspection of the timing belt idler may be necessary, which involves removing the timing cover to pinpoint the source of the sound. Addressing the ticking noise promptly is essential, as neglecting it could lead to more severe engine damage and affect the vehicle's longevity. By following this diagnostic approach, you can systematically identify and resolve the issue, ensuring your Acura RL runs smoothly.

What are the common causes of a ticking noise in the engine of a 2009 Acura RL?

When dealing with a ticking noise in the engine of a 2009 Acura RL, it's crucial to understand the potential causes to effectively troubleshoot the issue. One of the most frequent culprits is low oil pressure or insufficient engine oil levels, which can lead to inadequate lubrication of vital engine components, resulting in a ticking sound. Regularly checking and maintaining the oil level can help prevent this problem. Additionally, worn engine components, such as valves and lifters, may create metal-on-metal contact, producing a distinct ticking noise. If you suspect this, inspecting and possibly replacing these parts could be necessary. Exhaust leaks are another common source of ticking sounds, particularly noticeable during acceleration; checking for any leaks in the exhaust system can help identify this issue. Faulty spark plugs can also contribute to engine ticking, so ensuring they are in good condition is essential. Lastly, environmental factors, like cold weather, can temporarily cause ticking noises during startup, which usually resolves as the engine warms up. By systematically checking these areas, you can diagnose and potentially resolve the ticking noise in your Acura RL, but if the issue persists, consulting a professional mechanic is advisable for a thorough evaluation.

How urgent is it to address the ticking noise in the engine of a 2009 Acura RL?

When you hear a ticking noise in the engine of your 2009 Acura RL, it’s essential to take it seriously and investigate the source of the sound. While some engine ticking can be benign, distinguishing between normal and abnormal noises is crucial for maintaining your vehicle's health. Ignoring this symptom can lead to more severe issues, such as engine damage or decreased performance, which can be costly to repair. Common causes of ticking noises include low oil levels, worn lifters, or faulty spark plugs, all of which require prompt attention. By regularly checking your oil levels and performing routine maintenance, you can mitigate the risk of more significant problems developing. If you’re comfortable with DIY repairs, consider inspecting these components yourself, as early detection can save you time and money in the long run. Ultimately, addressing the ticking noise sooner rather than later not only ensures your Acura RL runs smoothly but also enhances its longevity and reliability on the road.

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Ticking Noise in 2009 Acura RL Engine Causes