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Why Does the Car Chassis Make a Gurgling Sound When Driving on Rough Roads?

2 Answers

McGenesis

07/29/25 12:30am

Reasons for the abnormal gurgling sound from the car chassis when driving on rough roads: 1. Loose bolts in the chassis, such as those on various suspension arms, links, and shock absorbers; the installation bolts of the engine guard plate can become loose due to prolonged bumpy driving, causing the engine guard plate to collide with the chassis and produce noise. 2. Abnormal sounds caused by issues in the braking system, which are often sharp and continuous. These can be due to excessively thin brake pads, uneven wear between the brake disc and brake pads, among other reasons. Besides the brake pads and discs, malfunctions in the brake caliper, master cylinder, or wheel cylinder can also generate noise. 3. Abnormal sounds from the exhaust system, such as loose screws on the heat shield near the exhaust pipe, leaks at the exhaust pipe joints, or rust and damage to the exhaust pipe, can all cause noise from the exhaust system.

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VonAdriel

08/12/25 4:43am

I often encounter a gurgling sound from the chassis when driving on rough roads, which is quite concerning. Many times, it's due to issues with the suspension system, such as aging or leaking shock absorbers, especially on bumpy roads where the vibrations are more intense, causing increased wear and tear on components that can lead to such noises. Sometimes, it could also be a loose stabilizer bar or a broken rubber bushing, allowing metal parts to collide and produce that sound. I remember a couple of years ago when I drove back to the countryside, the chassis noise was so severe that upon inspection, it turned out the shock absorber had completely leaked its oil. Replacing it with a new one solved the problem. My advice is to stop and do a quick check for any obvious looseness in the chassis as soon as you hear such sounds. It's best to get a professional inspection as soon as possible to avoid prolonged damage to the entire suspension system, which could affect driving stability and safety. Regular maintenance checks can help prevent such issues.

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