HELP! Rear tires making a metal dragging noise/ grinding. NEW BRAKES AND DRUMS

Prior to getting my brakes changed this stopped by car with no sounds whatsoever. Its also labeled as an emergency brake from my knowledge. But i can be wrong.

36 PM

Are you saying you used the parking brake to stop your vehicle? For pete’s sake why ?

No, not at all. Just in emergency situations. I tested it for the heck of it and found the noise.

It’s OK to test that type of emergency brake because it’s a drum brake which uses the brake shoes just like your brake pedal does except it doesn’t use the hydraulic part. The tiny system on some disc brakes should never be used that way.

I did notice the dent in the center of the hub but the rest of the job looks right. Turn the hub slowly and feel the dent with your thumb and if you feel something, maybe that’s an answer. Not likely, but you never know what you’ll find. It’s the only thing I can notice from the visual evidence. Is the sound louder when you turn right?

Sorry, I was looking at the picture submitted by Tester.

Yes it is loud. when i brake. i will upload a sound

IMG_1747

It looks like the drum brake system has primary and secondary brake shoes.

Are you sure the brake shoes are installed correctly?

Tester

You’re sure for Honda Civic? They look identical:
CivicShoes

Plus, I don’t see how that could cause a dragging noise.

The OP says new drums were installed in the top post. OP may have meant the rear drum brake shoes were replaced, but not the drum itself. But if new drums were actually installed along with new shoes, the installer may have forget to clean the drum surface thoroughly in soap and hot water. New drums come from the manufacturer with an anti-rust coating, and that must be removed before installing them, otherwise this problem could result.

Yes, rear drum brake shoes were installed. he sprayed them with a cleaner and the dirt came off. but i will tell to him to clean with soap and water as well.

Guaranteed for civic. i double checked the parts online

Im starting to doubt they were . I’m going to have the new mechanic reinstall them

We understand that new shoes were installed. But were new drums installed in addition to new shoes? Normally for a rear drum brake job, only new shoes are installed, and the original drum is kept in service.

1 Like

It is not, and never was an “emergency” brake and it will never stop the car like the service brake. At best it will either lock up the rear wheels or slow the car very gradually.
It is a parking brake, only really intended to keep an already stopped car from moving.
So far it seems the best advice is to go back to all original manufacturers parts. It is more expensive but you don’t really do rear brakes that often and peace of mind is worth something.

I would qualify that based on the model. If it was a vehicle that has disc brakes in the rear and a single drum parking brake, I’d agree. On this Honda Civic, however, the rear brakes double as parking brakes, so they have a reasonable amount of stopping power and could be used in an emergency more than “very gradually.”

Did you know most golf carts only have rear brakes? Yet they have enough stopping power to work.

Personally, I don’t see the point of bickering over terminology or generalizing, because when someone calls it an emergency brake, we all know what they’re talking about, and if the brakes do fail, it’s going to work like an emergency brake no matter what you call it.

The OP mentioned somewhere that they tried to use the "parking brake’ to stop the car giving the impression that they considered the thing an emergency brake and that is when they noticed a noise. They also have a child that goes with them, it is past time to stop buying parts and having someone install them and find a good brake shop to do this repair right.

Not sure why Whitey even mentions Golf Carts.

They’re an example of a vehicle that only has brakes on the rear wheels. I used them to demonstrate a concept, that you can stop a vehicle with just the rear brakes.