What Causes the Squeaking Noise in Shock Absorbers?
2 Answers
Possible causes: The shock absorber itself is leaking oil or bent; The shock absorber pressure bearing is aged or worn. Here are the relevant details: 1. Automobile Shock Absorber: To rapidly attenuate the vibration between the frame and the body, and to improve the smoothness and comfort of the vehicle, shock absorbers are generally installed in the automobile suspension system. The most widely used type in automobiles is the double-acting cylinder shock absorber. 2. Function: Automobile shock absorbers are an important part of the vehicle's suspension system. Their role is to suppress the impact of spring rebound, absorb vibrations and deformations, and mitigate road shocks. They directly affect the ride comfort and handling of the vehicle, as well as driving safety.
I've been driving for over 20 years and have encountered squeaky suspension several times. The most common cause is aging rubber bushings, especially in winter when the rubber hardens, causing this noise when going over bumps. Additionally, oil leakage from the shock absorber itself or wear on the top mount can also produce such sounds. Loose ball joints on the lower control arm can create similar noises too. When I used to drive in northern regions, the noise was loudest during cold morning starts but would improve after driving for a while. Don't ignore such issues - first use a flashlight to check for oil stains on the shock absorbers, then shake the tires to test for looseness. If you're not knowledgeable about cars, don't force it - find a reliable repair shop for inspection. After all, suspension affects driving safety, and problems during cornering could be dangerous. I recommend having mechanics pay extra attention to these rubber components during annual maintenance - replacing them proactively can save much trouble.
