Shock absorber knocking sound Nov 2, 2024 · Driving should be a smooth and enjoyable experience, but when you hear strange noises coming from your suspension, it can quickly turn into a headache. Loose or damaged parts can cause excessive movement and vibration, resulting in a rattling sound while driving. Learn about the four most common sounds of suspension problems. I recently purchased a 2019 UK Glc 350 coupe , 32,000 miles . com Mar 5, 2025 · Unfortunately, finding the cause of the noise isn't so easy. Mar 4, 2024 · If shock absorbers are worn or damaged, they may produce clunking noises when driving over bumps. It is also a crucial automotive part that ensures the safety of the vehicle’s occupants and other road users. Discover how to diagnose and resolve the problem of a metallic clunking noise after shock or strut replacement. Sometimes, pushing down on the car or moving the wheels can help pinpoint the noisy component. Aug 28, 2023 · First post on here so hopefully I'll get an answer. Feb 21, 2024 · Similar to shock absorbers, damaged or worn struts can cause noise and instability in the suspension system, particularly when driving over bumps or rough roads. If I helped ya out and you would like to The 8 most common issues on shock absorbers Can shock absorbers make noise? While there can be various reasons for noise from shock absorbers, the most common cause is incorrect installation. The dynamics of a rolling vehicle, the complex nature of modern suspensions, and the way sounds echo through the chassis and body Oct 23, 2025 · Whether you’re experiencing squeaking shock absorbers, rattling suspension noise, or grinding sounds from shocks, this expert analysis will help you understand what these sounds mean and when to take action. Top 5 reasons why the suspension knocks | AUTODOC tips Have you noticed strange noises coming from your car's suspension? We explain the top 5 causes of the knocking sounds in our new video Watch Feb 28, 2024 · A rattling noise coming from the suspension system could indicate loose or worn-out components, such as strut mounts, shock absorbers, or stabilizer bar links. This noi Aug 25, 2020 · A knocking sound when going over bumps can indicate a problem with the suspension struts. There might be a clanking sound of metal hitting metal when you go over bumps. This enables drivers to maintain control. Look for signs of fluid around the shocks Internal shock or strut noise is uncommon. AL-KO Shock Absorbers installation. May 15, 2024 · 3. You will find most of the standard bushes on shock absorbers, ball joints, anti-roll bars, and anywhere with a metal-metal contact. Unfortunately, the unpleasant "sound effect" does not appear immediately. Most shock absorbers make some noise as the shims open and close at high speed, but this is not normally detectable in most vehicles except those with unibody constructions and/or a poor NVH Opel Vauxhall Mokka X Suspension make knocking Cluncking sound from front right shock absorber. May 18, 2023 · Worn-out or malfunctioning shock absorbers can create knocking or rattling sounds. Is the front end of your vehicle clunking or knocking? In this video I insert audio & video clips of the clunking noise and what fixed it for the customer. Aug 2, 2024 · An unusual noise from your car’s suspension could indicate a problem – we cover the common causes and what you should do Dec 2, 2012 · Dealer confirmed the source of the noise as the shock assembly, but it was the upper shock mounts that were going bad. A shock absorber that makes a Dec 16, 2024 · Discover the tell-tale sounds that indicate problems with your car's shock absorbers. See full list on mechanicbase. A soft low-pitched knock when the car hits a What causes my vehicle to make clunking noises even though my shocks/ struts are new? This is usually caused by a mounting problem and not the shock or strut itself. The most common cause for clunking noises over bumps is the mounts or attaching parts. Aug 15, 2024 · Suspension noise in Mercedes? Learn how to identify clunking, creaking, or knocking sounds plus the common causes and steps to fix them quickly. Slight leaks often do not affect the function. 5K views 10 replies 8 participants last post by 412driver Jun 9, 2007 quaidorsay Discussion starter Jun 20, 2025 · Learning how to fix squeaking suspension involves a careful process of diagnosing the source of the noise, lubricating components, and replacing worn parts like bushings, shock absorbers, ball joints, and springs. Whether it’s a clunk, squeak, or rattle, understanding suspension noise can save you time and money in the long run. You may hear loud thumps or bangs when driving over bumps, potholes, or uneven surfaces. The Sounds of a Failing Shock Absorber Thumping or Banging: This is a common symptom of worn-out shocks. The mount itself may be worn enough to cause the shock/strut to move up and down. When a driver hears a noise from their suspension, it can fill them with questions and worry. If these bushings appear cracked, torn, or excessively worn, they won’t hold the shock securely, leading to play, noise, and reduced effectiveness of the shock itself. Car suspension problems can be a real pain to diagnose and fix, common suspension noises include coil springs, top mounts and shock absorbers. The knocking can only be heard after a long period of malfunction. On the strut system, the coil spring is built onto the shock absorber. Chevrolet Trax Buick Encore If knocking or rattling noises are present, continue to step 2 to replace the insulators located on the top of the both rear shock absorbers (left and right sides). Furthermore, you should check whether bushings, rubber-metal connections, ball joints, bearings or protective sleeves of the suspension show wear or damage. Jun 25, 2025 · Worn or Damaged Shock Bushings: The shock absorber is mounted to your vehicle’s frame and suspension components with rubber or polyurethane bushings. As these parts experience strain and load over time, degradation is inevitable. Jun 9, 2021 · Shock absorbers have sometimes been installed with tension or show oil mist – although the latter can also come from other sources. There are gas charged shocks and struts and oil filled shocks and Nov 30, 2023 · Worn Out Shocks or Struts: Over time, shocks and struts can wear out, losing their ability to dampen vibrations. Signs of shock absorber issues include excessive bouncing, uneven tire wear, and decreased handling stability. This unmistakable noise usually signals components like suspension arms, shock absorbers, or ball joints that have perhaps lived past their prime. Jan 15, 2025 · BMW front suspension noise can be caused by issues like worn bushings, dry components, or model-specific problems. It's fine over Jun 6, 2007 · Shock absorber knocking sound Jump to Latest 8. Dec 29, 2022 · Front Suspension noise X3XBimmers | BMW X3 Forum • BMW X3/X4 Forums (2018 - 2024) • BMW X3 (G01) / X4 (G02) Forum • Front Suspension noise X3 Jun 13, 2018 · Knocking or squeaking sounds are usually a result of your sway bar or ball joints wearing thin, both of which help to absorb shocks and keep you moving forward with smoothness. Dec 6, 2024 · The shock absorber takes some of that energy and converts it into heat. In this scenario, rear suspension noise over bumps or uneven surfaces is typically observed. It is not difficult to eliminate the problem, it is solved by repairing or replacing the old shock absorber. Check the components that attach the shock or strut to the vehicle. Most noise problems linked to shocks are early warnings that your suspension is wearing out. This video describes the state of a broken upper mount on a shock absorber. Dec 15, 2022 · Broken Suspension Bushes Bushings (or bushes) are rubber cushions mounted on any car’s suspension system joint. The spring is part of what gives you the suspension effect, the shock absorber just dampens the up and down motion, so yes all cars have rear "springs", some more complicated than others. Find tips on diagnosing suspension issues and why addressing them promptly is crucial for your safety. . How do I know which part of the suspension is causing the noise? To find the source of the noise, you may need to inspect the suspension while the car is safely lifted. Look for signs of wear or damage on bushings, springs, and shock absorbers. In this article, we’ll explore the telltale sounds of damaged shock absorbers and other signs that it’s time for a replacement. Jan 16, 2025 · The first noise that often raises concern is the ever-common clunking sound. This could show the rubber bushes that join parts of the suspension have failed. Parts should be in shortly for both rears under warranty. They are designed to reduce unnecessary movement and cut off vibration and noise. If you’re hearing clunking, squeaking, or knocking sounds, it’s best to act quickly. Ideal for drivers who want to ensure a smooth and safe ride. Uneven Tire Wear: Oct 12, 2024 · The common causes of abnormal noise in shock absorbers include oil leakage, component aging or wear, spring deformation or breakage, and installation or connection problems. Common Suspension Noises and What They Mean Feb 15, 2023 · Contents: Shock absorber noise: a symptom not to be ignored Causes of shock absorber noise What are the consequences of worn shock absorbers? Shock absorber maintenance and repair Shock absorber prices The shock absorber is not only a comfort element. Shock absorber oil leakage: Oil leakage can cause ineffective lubrication inside the shock absorber cylinder, resulting in significant frictional noise. Replacing damaged shocks can bring back the quiet, improve safety, and extend the life of your vehicle. When this happens, you may hear knocking or clunking sounds as you drive. Alternatively the clanking noise might get faster the quicker the car is going. Video does not go into detail about fixing it, or repairing the worn part, but does describe the noise associated with a May 30, 2025 · Conventional suspensions employ springs, shock absorbers, and control arms as the major components. The "sucking" or "squishing" noise you hear when the shocks are stroked is perfectly normal. Learn about the root cause of these noises, how they affect vehicle performance, and the steps you can take for maintenance and repair. The movement of the piston forces the oil through holes and valves to control the resistance of the movement, converting it into heat. It occurs as oil is displaced throughout the damper while the shock is compressed and extended. This guide will help you understand the causes and find solutions, including when to seek help from a trusted mechanic. I’ve been there, and it’s frustrating to pinpoint the source of those unsettling sounds. I've noticed when driving over any kind of uneven road I'm getting a what sounds like either a bush knock or the shock absorber top mount ,rear passenger side. The shock absorber prevents the tire from bouncing, allowing it to stay in contact with the road. Newer vehicles, however, are equipped with sophisticated suspension systems that have electronic sensors, air suspension, and adaptive dampers. Jan 22, 2019 · A knocking sound, while driving at a constant pace, can be caused by pretty much any loose suspension part. If there’s a leak, it can affect the performance of the shock, leading to noise. Inside a shock absorber is a piston which moves as a tube filled with oil. The most common causes are: Dull shock absorbers Loose stabilizer bar bushings Loose stabilizer links Broken shock mounts Sound is really difficult to translate into words but, all these components will make a different sound when failing. Leaking Fluid: Shocks and struts contain hydraulic fluid to help absorb shocks. Aug 26, 2021 · Contrary to what many people believe, a car’s suspension isn’t responsible for holding the vehicle off the ground. 4. rtcpeb qmay7y harki wyy5sy 8ul oe1j vsaosgei tk4ot8zm f1dyc 3py9xj