2022 Lexus ES350 Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2022 Lexus ES350 Engine and How to Address Them

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Reviewed by
Bo Fader
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 2022 Lexus ES350 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 2022 Lexus ES350 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 could be causing the ticking noise in a 2022 Lexus ES350 engine?

When diagnosing a ticking noise in a 2022 Lexus ES350 engine, it's essential to take a methodical approach that begins with the most straightforward issues. Start by checking the engine oil level, as low oil can lead to inadequate lubrication, resulting in components rubbing against each other and producing a ticking sound. If the oil level is sufficient, the next step is to inspect the valve train for any signs of wear, particularly focusing on the lifters and valves, which are often responsible for such noises. Following this, examine the timing chain or belt for any signs of looseness or wear, as these can also generate ticking sounds if not functioning correctly. Additionally, consider the possibility of an exhaust leak, which can create a ticking noise that is particularly noticeable when the engine is running. Finally, inspect the heat shields around the exhaust system; if they are loose or damaged, they may vibrate and contribute to the ticking sound. By systematically addressing these potential issues, you can effectively identify the source of the noise and determine if professional assistance is needed for further diagnosis and repair.

What could be causing the ticking noise in the engine of a 2022 Lexus ES350?

When diagnosing a ticking noise in the engine of a 2022 Lexus ES350, several common problems may be responsible. One of the first things to check is the engine oil level; low oil can lead to increased friction among engine components, resulting in a noticeable ticking sound. If the oil level is adequate, consider inspecting the valve lifters, as worn or damaged lifters can also produce a ticking noise during operation. Another potential culprit is an exhaust leak, which may become more pronounced under acceleration, creating a ticking sound that can be mistaken for engine issues. Additionally, problems with the timing belt or chain can disrupt the engine's normal operation, leading to irregular sounds. Lastly, don't overlook the fuel injectors; if they are malfunctioning or clogged, they can emit a ticking noise as they spray fuel. While these checks can provide valuable insights, it is advisable to consult a qualified mechanic for a thorough diagnosis to ensure the issue is accurately identified and resolved.

How urgent is it to address the ticking noise in the engine of a 2022 Lexus ES350?

Addressing a ticking noise in the engine of a 2022 Lexus ES350 is a matter of urgency that should not be overlooked. Early detection is crucial, as it can prevent minor issues from escalating into major engine problems that could lead to costly repairs or even engine failure. The ticking sound may indicate low oil levels, worn-out components, or valve train issues, all of which can compromise the vehicle's performance and safety. Ignoring this symptom can result in significant damage over time, affecting not only the engine's longevity but also the overall reliability of the vehicle. Therefore, it is highly advisable to seek a professional inspection as soon as the noise is detected. This proactive approach ensures that any underlying issues are diagnosed and addressed promptly, safeguarding both the vehicle's performance and the safety of its occupants.

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2022 Lexus ES350 Engine Ticking Noise: Causes & Repairs