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Lower Control/Suspension Arm Bushing Noise: 5 Reasons to Be Concerned

 A control arm bushing's job is to maintain the control arm aligned while reducing vibration between the frame and the wheels. Vibration is kept to a bare minimum, resulting in a smooth ride with few annoyances.

Metal-on-metal contact is unavoidable in the absence of effective bushings, resulting in increased vibration, driving discomfort, and other annoyances and possibly dangerous issues.

Check MOT history of your car online to see if a worn-out lower control arm bushing was a reason for a previous MOT test to fail. It is a good idea while your car is in with a mechanic for a routine service to request the car mechanic to also complete a full health check so that you are aware of any underlying issues that may need to be addressed sooner.

The link between the suspension and the car chassis is the control arm bushing. The upper control arm and the lower control arm with a side-mounted rubber bushing are the two types of control arms. This rubber sleeve prevents the two metal elements that make up the connection from harming one another.

This rubber not only does this, but it also dampens vibrations caused by shocks and mild jolts in an automobile. Given its location, the effect of rubber, which softens and absorbs vibrations, is superior to that of springs.

The lubrication of the parts is further ensured by the rubber bushing, which often contains oil to reduce friction. A central rod connects the metal sleeve coming from the inside of the suspension to the vehicle frame. Both ends of the outer sleeve are attached to the wheels, allowing the two sleeves to move independently at their ends. As a result, the control arm bushing and the control arm are put under a lot of strain throughout the car's movement and rotation. These bushings get hard and shatter over time, which can cause some issues.

When completing a MOT history check online for your car, if you see that your car previous failed an MOT test due to a bad suspension arm bushing, the only why a MOT tester will fail this part is because it becomes a safety risk if faulty.

5 Common Causes of a Lower Suspension Arm Bushing Noise

When you hear unusual clunking noises, it's easy for someone who isn't knowledgeable with cars to wonder what's going on. Although there are numerous explanations for strange noises in a car, a problem with the lower control arm bushing will produce unique noises. If you experience any of these, search online for car garages in Reading and book your car in with competent car mechanic to replace any faulty suspension system components.

From around the control arm location, these noises sound almost like a knocking. The following are five of the most typical reasons of bushing noise in the lower control arm:

1.      Bushings that have been worn out - Bushings do not endure indefinitely. The more miles you put on your car, the more worn out your lower control arm bushing becomes. A light clunking sound will first be heard, but as the bushing wears down, the clunking sound will become louder and more consistent.

2.      Loose Bushing - If your lower control arm bushing is loose, it will be banged around by the metal components around it. This does not always imply that the bushing is worn. You may have loosened it by driving over a bump. It's also possible that a mechanic accidently loosened it while working on another part of your vehicle. Loose bushings will always generate the same banging noises, regardless of the cause.

3.      Broken Bushing - If a lower control arm bushing becomes too worn out, it may break. It's also possible that a mechanic working on something else accidently damaged it. A damaged control arm bushing will make a loud clunking noise that will not get louder over time like old bushings.

4.      Driving on Uneven Ground - When driving on uneven terrain, such as gravel or a rough road, the knocking or clunking sounds will be increased. Driving over this type of terrain would not loosen or rattle a bushing that was in good condition. However, if the bushing is not kept in place, the vehicle's unpredictable motion as it drives over this terrain may cause the bushings to loosen even further.

5.      Hard Acceleration - If you have loose bushings, the knocking noises will be the loudest when you accelerate quickly from a stop. When you park your car and put your car into drive if automatic or first gear and then floor the accelerator pedal, for example, the knocking will be the loudest.

As mentioned earlier, any noises from the suspension system are not a good sign and a safety risk so this needs to be addressed immediately. Go online and search for competent garages in Reading that can carry out any car repairs or replacements of any faulty parts.

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