2012 Kia Forte Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2012 Kia Forte 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 2012 Kia Forte 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 2012 Kia Forte 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 2012 Kia Forte, and how should I diagnose them?

When faced with a ticking noise in your 2012 Kia Forte, it's essential to adopt a systematic diagnostic approach to pinpoint the issue effectively. Begin by listening closely to the noise, noting whether it is more pronounced when the engine is cold, which may indicate lifter noise. Utilize a mechanic's stethoscope to help isolate the sound's origin, focusing on the hydraulic lifters, as they are a common culprit. If the noise persists, consider checking the fuel injectors; using an OBD-II scanner can reveal any error codes, and applying fuel injector cleaner may help if the injectors are dirty. Next, inspect the timing chain or belt for signs of wear or misalignment, as these components can also contribute to ticking sounds, particularly in higher mileage vehicles. Pay attention to the VVT system, as wear on its bearings can lead to similar noises, especially under load. Additionally, ensure that your oil pump is functioning correctly and that oil pressure is adequate, as low oil levels can cause serious engine issues. Lastly, if the ticking persists, it may be indicative of more severe problems like piston slap or loose connecting rods, which require immediate professional evaluation. By following this structured approach, you can effectively diagnose the ticking noise and determine whether a simple fix or a more complex repair is necessary.

What could be causing the ticking noise in the engine of a 2012 Kia Forte?

When diagnosing a ticking noise in the engine of a 2012 Kia Forte, 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 and result in a ticking sound. Regularly checking the oil level and ensuring the oil pump is functioning correctly can help prevent this issue. Additionally, problems with the ignition system, such as faulty spark plugs or ignition coils, may also contribute to the noise. An exhaust leak, particularly near the engine, can manifest as a ticking or tapping sound, making it another area to inspect. Furthermore, issues with the timing chain or timing adjustment servos are known to cause ticking noises in Kia and Hyundai engines, so it's worth examining these components. Fuel system problems, including loud injectors or issues with the injector pump, can also produce similar sounds, often accompanied by decreased fuel efficiency. Other potential sources of the noise include wear on the Variable Valve Timing (VVT) bearing or retaining pin, as well as problems in the serpentine belt area, such as a faulty tensioner or pulleys. Lastly, more severe issues like piston slap or loose connecting rods should not be overlooked, as they require immediate attention to avoid significant engine damage. Regular maintenance and timely inspections can help mitigate these problems and ensure your vehicle runs smoothly.

How urgent is it to address the ticking noise in the engine of a 2012 Kia Forte?

Addressing a ticking noise in the engine of a 2012 Kia Forte is not just a minor inconvenience; it is a critical issue that demands immediate attention. Ignoring this symptom can lead to severe engine damage, including complete engine failure, which could result in repair costs exceeding $9,000. The ticking noise may indicate low oil levels or pressure, a malfunctioning oil pump, or even serious problems with the timing chain, all of which can escalate into catastrophic failures if left unchecked. Additionally, issues with the ignition system or exhaust leaks can pose safety risks, making it imperative to diagnose and resolve the problem promptly. Regular maintenance, such as oil changes and inspections, is essential to prevent these issues from arising. Therefore, if you hear a ticking noise, it is crucial to act quickly—check your oil levels, inspect the oil pump, and consult a mechanic to ensure your vehicle remains safe and operational.

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