Posted on 7/29/2025
You’ve parked your car, turned off the engine, and walked away—only to hear a clicking, popping, or humming sound coming from underneath. While it might be alarming at first, post-shutdown noises are fairly common and not always a sign that something is wrong. In many cases, your car is simply finishing up some normal cooling or system functions. However, some noises can point to developing problems that deserve attention. Knowing what’s normal and what’s not can help you stay ahead of repairs and keep your vehicle running reliably. Why Cars Make Noises After Turning Off Modern vehicles are more complex than ever, and many systems continue operating briefly even after the engine is shut down. These post-run sounds are often caused by cooling processes, the powering down of electronic components, or the thermal expansion and contraction of metal parts. While some sounds are a normal part of operation, others may indicate issues such as worn p ... read more