Knocking sound when braking rear

What causes a knocking sound when braking? Why is there a knocking noise when I brake? What is grinding noise when you apply brakes? What does clicking in brakes mean?

Worn suspension parts can also be a cause of a knocking sound when braking. The "lower control arm" bushings can wear to the point of actually tearing apart, and then the whole front wheel assembly can move back and forth when you brake and accelerate. This will cause knocking when you brake and go over certain bumps.

Clunking and knocking sounds can also be the result of the nuts and bolts holding the brake calipers being loose. Vibrations can cause brake bindings to come loose overtime, which leads to damaged components, according to AG Auto Corporation. I have this knocking sound on my rear brakes whenever i brake and it is very annoying.

I have already changed the brake pads, cyclinder and the brake shoe and i even changed my absorbers but it still happens. It is a drum brake system on the rear and my car is a nissan latio. A clicking or scraping in your brakes could mean that one or more components in your braking system is damage or it might mean that there’s a stone or something stuck in your brake. Would you describe the knocking as a rattling sort of sound coming from the rear suspension?

This is a known feature of Civics caused by rubber components settling down after a period of not being used. A few times I have noticed a knocking noise when descending steep hills and applying the brakes gently to remain within the speed limit. I have also been able to reproduce on the flat with a couple emergency stops causing the knocking sound to continue briefly but dissipate with normal driving.

On my way back from my last stop, I noticed a knocking noise from the rear passenger side whenever (and only when) I apply the brakes. The knocking is faster when the car is still going fairly fast, and it slows as the car slows.

I am getting REALLY frustrated and don’t know who or what to blame. If they just did the tires, take it back and tell them to take a look (for free). Try slowing the car down with the engine. Most brake noise complaints are squeak-related or metal-on-metal are related to the brake pad.

The grinding noise is the result of worn pads contacting the rotor and is a common problem. The least common noise is a knocking sound. Take a look at both rear wheel cylinders. Sometimes the circlips that hold them in place to the backing plates come loose and the wheel cylinders get "cocked" sideways a bit and start to rub against the hubs when you apply the brakes.

I notice sometimes. Brake Squeaking Solution. I think right rear. It sounds and feels structural, as if the brake pads or calipers are sticking.

The rear rotors have over 100K miles and a slight ridge has developed. It feels as if the pads are hanging up on the ridge. When the brakes are applied at high speeds, there’s a sudden change in the direction of the vehicle. Now the left rear brake knocks loudly when I apply the brakes.

The mechanic that replaced them says that I have a bent rim and an uneven tire that is causing this. I find that hard to believe though. Caused by heat build up during heavy braking (like long downhills), discs have worn thin beyond their specs, or wheels were installed improperly at some point. The amount of warping is fairly easy for a shop to measure using a run-out gauge.

Tires damage uneven tread wear patterns, or out of round.