2025 GMC Sierra 2500 HD Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2025 GMC Sierra 2500 HD Engine and How to Address Them

Find Repair Location
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 2025 GMC Sierra 2500 HD 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 2025 GMC Sierra 2500 HD 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.

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 initial diagnostic steps to take for a ticking noise in the engine of a 2025 GMC Sierra 2500 HD?

When faced with a ticking noise in the engine of your 2025 GMC Sierra 2500 HD, it's essential to adopt a systematic diagnostic approach. Start by checking the engine oil level, as insufficient oil can lead to increased friction and noise. Next, conduct a visual inspection of engine components, including belts and pulleys, to identify any signs of wear or damage that might be contributing to the sound. Listening closely to the engine can help you pinpoint the noise's source; using a mechanic's stethoscope can enhance this process. Additionally, inspect the exhaust system for leaks or loose parts, as these can also create unwanted noises. Utilizing an OBD-II scanner to check for diagnostic trouble codes can provide further insights into potential issues. Finally, don't overlook the spark plugs; ensuring they are in good condition and properly gapped can prevent engine noise. By following these steps, you can effectively diagnose the ticking noise and take appropriate action to resolve the issue.

What are the common causes of a ticking noise in the engine of a 2025 GMC Sierra 2500 HD?

When diagnosing a ticking noise in the engine of your 2025 GMC Sierra 2500 HD, it's crucial to consider several common problems that could be at play. One of the primary culprits is low engine oil, which can lead to increased friction among engine components, resulting in a noticeable ticking sound. Additionally, worn valve lifters may contribute to this noise as they fail to operate smoothly over time. An exhaust leak is another potential source, particularly when the engine is under load, as it can create a distinct ticking sound. Furthermore, issues with the timing chain, such as looseness or wear, can also manifest as a ticking noise, indicating that it may need attention. Lastly, spark knock, or pre-ignition, can cause ticking due to improper combustion timing. Addressing these issues promptly is essential to prevent further damage to your engine, ensuring your GMC Sierra 2500 HD continues to perform optimally.

How urgent is it to address the ticking noise in my 2025 GMC Sierra 2500 HD engine?

When faced with a ticking noise in your 2025 GMC Sierra 2500 HD engine, the urgency to address the issue cannot be overstated. Ignoring this symptom can lead to a cascade of problems, ranging from minor inconveniences to severe mechanical failures. The first step is to accurately identify the source of the noise, as it could stem from something as simple as low oil levels or a loose component, or it might indicate more serious concerns like engine wear or damage. The longer you wait to investigate, the greater the risk of compromising your vehicle's performance and safety. A ticking noise may signal underlying issues that, if left unchecked, could escalate into costly repairs or even a breakdown while driving, posing a danger to you and others on the road. Moreover, addressing these noises promptly is a key aspect of preventive maintenance, which not only helps in avoiding larger issues but also extends the lifespan of your vehicle. Therefore, if you notice a ticking sound, it is advisable to inspect the engine as soon as possible, or consult a qualified mechanic, to ensure your GMC Sierra remains reliable and safe for the road ahead.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

Ticking Noise Causes in 2025 GMC Sierra 2500 HD | RepairPal