2020 Kia Niro Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2020 Kia Niro 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 2020 Kia Niro 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 2020 Kia Niro 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.

What are the potential causes of a ticking noise in the engine of a 2020 Kia Niro, and how should I diagnose them?

When diagnosing a ticking noise in the engine of your 2020 Kia Niro, it's crucial to follow a methodical approach that begins with the simplest checks. Start by verifying the engine oil level, as insufficient oil can lead to poor lubrication and result in ticking sounds. If the oil level is adequate, proceed to inspect the valve lifters, as worn or damaged lifters are a frequent cause of such noises. Next, examine the fuel injectors for any signs of malfunction, since faulty injectors can also produce ticking sounds. Additionally, assess the condition and tightness of the belts and pulleys, as loose components may contribute to the noise. Lastly, check the exhaust system for any leaks, as an exhaust leak near the engine can sometimes mimic a ticking sound. By systematically addressing these potential issues, you can effectively diagnose and resolve the ticking noise in your Kia Niro's engine.

What could be causing the ticking noise in the engine of a 2020 Kia Niro?

When diagnosing a ticking noise in the engine of a 2020 Kia Niro, it's essential to consider several common problems that could be at play. One of the primary culprits is low engine oil, which can lead to insufficient lubrication and cause engine components to rub against each other, resulting in a ticking sound. Additionally, worn valve train components, such as lifters or camshaft lobes, may produce similar noises when they fail to operate smoothly. Fuel injector issues can also manifest as ticking sounds, particularly if the injectors are malfunctioning. Another potential source of the noise could be an exhaust leak, which often becomes noticeable when the engine is running. Furthermore, a loose or worn timing belt or chain can create ticking noises, as can spark knock, which occurs when the air-fuel mixture ignites prematurely. By understanding these common problems, DIY enthusiasts can better assess the situation and determine whether they need to consult a qualified mechanic for a thorough inspection.

How urgent is it to address the ticking noise in the engine of a 2020 Kia Niro?

Addressing the ticking noise in the engine of a 2020 Kia Niro is of utmost urgency, as ignoring this symptom can lead to severe consequences. The ticking sound may indicate underlying problems such as low oil levels, which can cause inadequate lubrication and result in significant engine wear or even failure. Additionally, worn-out engine components or valve train issues can escalate if not promptly diagnosed and repaired, potentially leading to costly repairs or safety hazards while driving. Timely action not only helps maintain the vehicle's performance but also prevents further damage that could compromise safety. Therefore, it is crucial for DIY enthusiasts to take this issue seriously and consider seeking professional inspection if the noise persists, ensuring that their vehicle remains in optimal condition and safe to operate.

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