2012 Toyota Camry Engine Making Ticking Noise

Common Causes of Ticking Noises in Your 2012 Toyota Camry 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 2012 Toyota Camry 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 Toyota Camry 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.

What are the potential causes of a ticking noise in the engine of a 2012 Toyota Camry, and how should I diagnose them?

When diagnosing a ticking noise in your 2012 Toyota Camry, start with the simplest and most accessible checks before moving on to more complex issues. Begin by checking the oil levels; low oil can lead to inadequate lubrication, causing ticking sounds. If the oil level is low, top it up and monitor for leaks that could indicate a more serious problem. Next, listen carefully to the noise while the engine is running. Pay attention to whether the sound changes with engine speed or load, as this can help pinpoint whether the issue lies within the valvetrain or other components. Inspect the engine visually for any signs of wear or damage, particularly around the valve cover and timing chain area. If the noise persists, consider using a mechanic's stethoscope to isolate the source of the sound more accurately. Additionally, scanning for any diagnostic trouble codes with an OBD-II scanner can provide insights into underlying issues. If these steps do not lead to a resolution, or if you feel uncertain about the diagnosis, consulting a professional mechanic is a wise choice to ensure your vehicle is properly assessed and repaired.

What are the common causes of a ticking noise in the engine of a 2012 Toyota Camry?

When diagnosing a ticking noise in the engine of a 2012 Toyota Camry, it's essential to consider several common problems that could be at play. One of the primary culprits is low oil levels or oil starvation, which can lead to inadequate lubrication and result in ticking sounds, particularly during acceleration or sharp turns. Checking the oil level and ensuring it is within the recommended range is a crucial first step. Another frequent issue is worn-out tappet cups or lifters, which can create a distinct ticking noise that may become more pronounced as the engine revs. If this is suspected, accessing the valve cover to inspect and potentially replace these components may be necessary. Additionally, a defective cam timing gear or a malfunctioning timing chain tensioner can contribute to unusual engine noises, often requiring more extensive mechanical intervention. While less directly related, fuel pump issues can also manifest as engine noise, particularly if they lead to stalling or power loss. Lastly, it's wise to consider other mechanical factors, such as loose components or issues with the serpentine belt, which could also produce sounds that might be mistaken for engine problems. Regular maintenance and timely inspections can help mitigate these issues, but if the noise persists, consulting a professional mechanic is advisable for a thorough diagnosis.

How urgent is it to address the ticking noise in the engine of a 2012 Toyota Camry?

When you hear a ticking noise in the engine of your 2012 Toyota Camry, it’s crucial to assess the urgency of the situation based on the underlying cause. If the noise stems from tappet or valve issues, it’s important to act quickly, as neglecting this can lead to severe engine wear and potentially catastrophic damage, such as bent valves. Similarly, if the ticking is linked to low oil levels or excessive oil consumption, immediate attention is necessary to prevent engine failure, as running the engine under these conditions can result in significant harm. Issues with the timing chain or tensioner also require prompt action, as these components are vital for engine operation, and failure to address them can lead to stalling or complete engine failure. While some noises may be less critical, such as those related to minor mechanical issues, it’s still advisable to diagnose and resolve them to prevent escalation. Overall, prioritizing the investigation and resolution of any ticking noise is essential for maintaining the health and safety of your vehicle.

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