2022 Mazda CX-5 Engine Problems

I am submitting this report to document a persistent ticking noise in my 2022 Mazda CX-5, which appears to be the same issue outlined in Mazda Service Bulletin 01-002/21 for previous model years. This issue is commonly associated with Hydraulic Lash Adjusters (HLAs), which maintain proper valve clearance. The noise occurs most prominently during cold starts and resembles the previously reported HLA ticking sound. Owners of earlier CX-5 models have attributed this issue to air bubbles or insufficient oil supply within the HLAs, with cold weather exacerbating the problem due to restricted oil circulation. Despite Mazda's claim that revisions to the engine components have resolved this issue in newer models, my experience suggests it remains unresolved in the 2022 model year. I am concerned about the long-term reliability of these engine components and the potential repair costs if the issue leads to premature wear or failure. While Mazda has not issued a Technical Service Bulletin (TSB) for the 2022 CX-5, multiple owners have reported similar ticking noises online, indicating that the problem may persist. I have a video recording of the noise but am unable to attach it to this submission. If further investigation is warranted, I would be happy to provide the footage upon request. Additionally, similar reports and video evidence from other owners can be found on online forums, including the CX-5 subreddit, where searching for “clicking” will yield multiple examples. I urge the NHTSA to review this issue, as it may indicate an unresolved mechanical defect affecting the reliability of the 2022 Mazda CX-5’s engine. Please advise on any potential investigations or next steps regarding this matter.

Mazda’s CX-5 engines, particularly in earlier models, have been known to experience issues with Hydraulic Lash Adjusters (HLAs), which are responsible for maintaining proper valve clearance. Many owners have reported a persistent tapping or ticking noise, especially during cold starts. This issue is often caused by air bubbles or insufficient oil supply to the HLAs, and cold weather exacerbates the problem as thicker oil struggles to circulate until the engine warms up. The HLAs have also faced criticism for their sensitivity to oil pressure and quality, making them prone to failure in less-than-ideal conditions. Mazda claims that replacements and redesigns have resolved these issues in newer engine models and has not issued any Technical Service Bulletins (TSBs) for models after 2021. However, I experienced the HLA “ticking” noise in my 2022 CX-5, suggesting the issue has not been fully addressed. I am concerned about the longevity of these parts and potential repair costs in the future, as Mazda seems to be dismissing the problem. I have a video capturing the noise but cannot attach it to this form. If interested, please contact me, and I can provide the video. Additionally, there are countless videos of similar issues shared on the CX-5 subreddit, which can be found by searching “clicking” at the following link: [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The engine on my 2022 naturally aspirated Mazda CX5, is making a loud ticking noise when cold started. The vehicle is in pristine condition and is services regularly at the dealer with only 33,000 miles. The ticking noise is a known issue for this make and model, where Mazda has issued a TSB for faulty hydraulic valve lash. This is a distinct noise that is sharp and metallic and distracting when driving the vehicle, even after a period of time. I can hear it through my radio and it does not sound good. Evidently 2022 is not part of the TSB, yet my vehicle is still affected by this noise. Filing a complaint with NHTSA to formalize this record.

Just received a Warranty Extension Program - Special Service Program (SSP) D8 notice from Mazda. It states that on my vehicle the fail-safe thermostat could fail in the stuck open position and they are extending the warranty for that part to 15 years. Meaning, if it fails, they'll fix it. My issue is that if that part COULD fail, they should go ahead and do a voluntary recall, and replace the part, and be done with it. I'm thinking maybe you could require Mazda to do that.

Cylinder head cracked resulting in engine overheating with code P111A. Gasket bolts expelled due to excessive heat and pressure. Evidence of coolant spray along hose connections, lower cover and transfer case. Smoke came out of the engine compartment first followed by warnings titled 'Critical vehicle malfunction alert' 'pull over immediately' Check engine light came up shortly thereafter. Vehicle inspected by an authorized Mazda service center, confirming the engine overheat code. This is the statement from the service representative: 'Mazda wants to start with a cylinder head prior to doing an engine'. The technician's analysis indicates they received warranty approval for Entire cylinder head and head gasket replacement and all associated parts. No warning lights prior to the failure. They started just as the engine started smoking. Potentially related information: The vehicle displayed error code for a coolant valve issue 3 weeks before this issue for which a TSB already existed and Mazda replaced the part. TSB related to cylinder head defect exists for model year 2019, but not for model year 2022.