Toyota Corolla Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your Toyota Corolla 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 Toyota Corolla 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 Toyota Corolla 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 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.

Troubleshooting Ticking Noise in a Toyota Corolla

When faced with a ticking noise in your Toyota Corolla, start by checking the oil level and pressure, as low oil can significantly impact engine performance and lead to unwanted sounds. If the oil level is adequate, inspect the ignition system for any faulty spark plugs or connections that could be causing the noise. Next, examine the exhaust system for leaks, which can also produce a ticking sound. If these initial checks do not resolve the issue, consider the possibility of a lifter tick, especially if the noise correlates with engine speed. Additionally, inspect the drive belt idler pulley for wear, as a failing pulley can create a chirping noise. Regular maintenance practices, such as cleaning the throttle body and replacing worn components, can prevent these issues from arising. If the ticking persists despite these efforts, it may be wise to consult a qualified mechanic for a thorough diagnosis to ensure that any underlying problems are addressed promptly.

Diagnosing Engine Ticking Noise in a Toyota Corolla

When diagnosing engine ticking noise in a Toyota Corolla, it's essential to consider several common problems that could be at play. One of the first things to check is the oil level and pressure, as low oil can lead to insufficient lubrication, resulting in a noticeable ticking sound. Additionally, issues with the ignition system, such as faulty spark plugs or ignition coils, can also contribute to this noise, so inspecting these components is crucial. Another potential culprit is an exhaust leak, which can create a ticking sound as exhaust gases escape. Furthermore, a failing drive belt idler pulley may produce a chirping noise that mimics engine ticking, so examining the drive belt system is advisable. Lastly, be aware of other components like the water pump, AC condenser bearing, or starter, as they can also cause similar sounds. Addressing these issues promptly is vital to prevent further engine damage, and if the source of the noise remains elusive, consulting a mechanic for a professional diagnosis is a wise choice.

How to Address Ticking Noises in a Toyota Corolla Engine?

When you hear a ticking noise coming from your Toyota Corolla engine, it’s crucial to act swiftly to avoid serious damage and costly repairs. Ignoring these sounds can lead to more significant issues, such as engine failure or safety hazards while driving. The ticking could stem from various sources, including low oil levels, ignition system problems, or even an exhaust leak. To effectively address the issue, start by checking your oil level and ensuring it meets the manufacturer’s specifications. If the oil is low, topping it off may resolve the noise. However, if the sound persists, it’s advisable to consult a qualified mechanic who can conduct a thorough diagnosis. They will inspect critical components like the water pump, AC condenser bearing, and pulleys to pinpoint the exact cause of the ticking. Regular maintenance, such as cleaning the throttle body and replacing worn parts, can also help prevent these noises from occurring in the first place. Remember, timely intervention is key; neglecting these symptoms can lead to more severe engine problems down the line.

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