How to Fix a Car That Makes Clunking Noises
As a car owner, few things are more concerning than hearing a strange, loud clunking sound coming from your vehicle. The unsettling noise often signals something is wrong under the hood or beneath the car, and if left unchecked, it could lead to costly repairs. I recently found myself in this exact situation when I noticed that my car started making a consistent clunking sound, especially when I turned corners or accelerated. In this article, I’ll walk you through the steps I took to identify and fix the problem, along with some helpful tips to ensure you don’t end up stranded on the side of the road.

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5508 Atlantic Ave, Long Beach, CA 90805, USA
1. Identifying the Source of the Clunking Sound
The first step to fixing a car that makes clunking noises is pinpointing where the noise is coming from. Clunking sounds can originate from various parts of the car, and recognizing the type of noise can be crucial to identifying the source. I started by listening closely to see if the sound was constant or intermittent. Was it a single thud or a series of rhythmic sounds? These clues could tell me if the problem was with the suspension, exhaust system, or engine.

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Suspension System
If the clunking noise occurs while turning or going over bumps, the issue may lie within the suspension system. The suspension is designed to absorb shocks and keep the ride smooth, but over time, components such as the struts, shock absorbers, or control arms can wear out or break, causing the car to make strange noises. I jacked up the car to inspect the suspension and noticed that one of the shock absorbers was leaking fluid, which meant it needed replacement.
Exhaust System
Another potential culprit for clunking noises could be the exhaust system. I checked underneath the car for any loose parts or damaged exhaust hangers. Sure enough, I found a broken hanger that was causing the exhaust system to move more than it should. A loose exhaust system can produce a clunking sound when the car accelerates or decelerates. Replacing the exhaust hanger fixed this problem for me.
Engine or Transmission Issues
Sometimes, the clunking sound can be coming from deeper within the engine or transmission. In this case, it’s essential to check the engine mounts, which are responsible for keeping the engine in place. If these mounts are worn out or damaged, the engine can shift during acceleration or deceleration, leading to clunking noises. I found that one of my engine mounts had cracked, and replacing it solved the problem.
2. Tools You’ll Need to Fix the Issue
After diagnosing the problem, I gathered the necessary tools to fix it. Depending on where the issue lies, you may need some basic tools for car repairs. Here’s a list of tools I used:
- Jack and jack stands
- Wrench set
- Socket set
- Replacement parts (shock absorbers, engine mounts, exhaust hangers)
- Lubricants (for greasing suspension components)
- Torque wrench (to ensure proper tightening of bolts)
Having the right tools is essential for safely and effectively addressing the clunking noise, so be sure to gather what you need before starting the repair process.
3. Replacing the Damaged Parts
Once I identified the damaged parts, I proceeded with the replacements. For the suspension system, I started by removing the worn-out shock absorber. I used a wrench and socket set to loosen the bolts and replaced the shock absorber with a new one. This was a relatively straightforward task, and after tightening everything securely with a torque wrench, I moved on to the engine mount replacement.
Replacing the engine mount was a bit trickier because it required lifting the engine slightly to relieve pressure on the old mount. Once the engine was supported, I was able to remove the bolts and install the new mount. This took a bit more time and care, but the process was manageable with the right tools and technique.
Exhaust Hanger Replacement
Finally, I turned my attention to the broken exhaust hanger. To replace it, I used the jack to lift the car slightly, providing better access to the exhaust system. I unscrewed the old hanger and attached the new one in its place. This small repair eliminated a significant part of the clunking noise and made the exhaust system more stable.
4. Test Drive and Final Checks
After replacing the damaged parts, I took the car for a test drive to ensure everything was running smoothly. During the drive, I checked for any remaining clunking sounds and made sure that the new components were securely in place. The car now felt smoother, and the clunking noise was gone. It's always important to double-check that all bolts are tightened correctly, and that the new parts are functioning as expected before calling the repair complete.
5. When to Seek Professional Help
While I was able to fix the clunking noise myself, some issues may be more complicated and require professional help. If you’re not confident in your car repair skills or if the problem persists after replacing parts, it’s a good idea to contact a professional mechanic or towing service. If you're stranded and need a tow, companies like Rescue & Towing offer quick and reliable services to get your car to a repair shop. Always prioritize safety and don’t hesitate to seek expert help when needed.
Fixing a car that makes clunking noises might seem daunting, but with the right knowledge, tools, and a little patience, you can resolve the issue yourself. Just remember to take safety precautions and carefully inspect your car for any underlying problems. If you’re unsure about the repairs or encounter issues that are beyond your capabilities, don’t hesitate to call a professional. It’s better to be safe than sorry!