A knocking noise from your car can be alarming, especially if you’re unsure of the cause. This noise can come from several areas in the vehicle, with each cause pointing to a different underlying issue. Here are some common reasons your car may be making that dreaded knocking sound:

1. Engine Knocking: One of the most common causes is engine knocking, often due to improper fuel combustion. This can be the result of using lower-octane fuel than recommended, carbon build-up, or worn spark plugs. Left unchecked, engine knocking can lead to serious internal damage.

2. Suspension or Steering Issues: Knocking noises can also come from the suspension or steering components. If you notice the sound when going over bumps or turning, it could indicate worn shocks, struts, or ball joints. These issues can impact safety, so it’s wise to have them looked at promptly.

3. Worn Bearings: Wheel bearings are essential for smooth wheel rotation. When they become worn or damaged, they can produce a distinct knocking or grinding noise that may change with the speed of the vehicle.

4. Loose or Damaged Exhaust Components: Sometimes, a knocking sound can simply be from a loose exhaust part, such as a heat shield or muffler, that rattles or knocks against the car’s frame.

5. Transmission Issues: In some cases, the transmission can cause knocking sounds if gears or other internal parts are worn or damaged.

With multiple potential causes, diagnosing a knocking noise can be tricky. This is where a mobile mechanic is especially valuable. Instead of driving to a garage with a potentially worsening issue, a mobile mechanic can come to you, thoroughly inspect the car on-site, and identify the cause of the noise quickly. Mobile mechanics offer the same level of expertise as traditional garages but with the added convenience of service at your location, saving time and reducing stress.

So, if your car is making a knocking noise, don’t wait—call a mobile mechanic for a swift, accurate diagnosis and fix right at your doorstep.