Questions tagged [brake-rotor]

Referring to the portion of a wheel brake which slows the rotation of the wheels/tires to slow or stop a vehicle. Friction is applied through pads by way of a caliper to reduce the rotational speed. This item is a round disc and is normally placed between the wheel and hub assemblies and can be found on most modern motor vehicles.

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72
votes
16answers
477k views

Should I resurface or replace my rotors everytime I replace brake pads?

I have heard it is proper practice to replace or resurface your brake rotors every time your do a brake pad replacement. Does this need to be done every single time or is it overkill? Maybe it is ...
19
votes
11answers
198k views

What causes brakes to pulsate right after rotor and pad replacement?

I have a 2002 Infiniti Q45. I replaced the front rotors and pads on Sunday. It was the first time I've done this on a car, though I have done it countless times on various motorcycles. I was careful ...
2
votes
1answer
3k views

Car shaking when braking

I got a used car. I notice that on speeds higher than 80Km and when I brake, the car shakes. The shaking is very soft, it is not tough and it is not every time. I noticed it twice on a 2 hours journey ...
15
votes
4answers
60k views

brake rotors- blank, slotted or drilled?

There is a lot of conflicting information whether slotted or drilled rotors perform better than blank rotors. For a street car that will do the occasional track day, which type of rotor should I get?
1
vote
3answers
116 views

How long should disc brakes take to slow the car when wet?

I recently bought a new car and it came it with disc brakes (specifically the Brembo's that come with the new BRZ). If the conditions are rainy or snowy out, I've noticed there's a significant amount ...
16
votes
6answers
7k views

My Car Squeals When Braking Even Though I've Had My Front Rotors Machined and Back Rotors Replaced and all new brake pads. What could it be?

I own a Toyota Soarer SC300 (1994), 2JZ motor non-turbo 3 litre engine. The engine is probably irrelevant, but provided for posterity. Anyway, the front rotors were machined and are within the legal ...
2
votes
3answers
11k views

Steering wheel shakes when braking at high speeds

I got a 2011 lexus ES350, the steering wheel shakes badly when i push the brake. I have been told that its the rotors. I got the rotors resurfaced last week at the lexus service center but no ...
9
votes
2answers
30k views

What are the visual signs that brake rotors must be replaced?

Let's say you take off the wheel (when replacing the pads, for example) and look at the brake rotor. What are the signs that it's time to replace the disc? Let's stick to clear visual signs that don'...
8
votes
1answer
1k views

What grade of bolts should I use for motorcycle brake hardware?

I'm setting up a motorcycle front end from used parts, and some of the mounting bolts were not included. The same bolt is used both for mounting the calipers to the forks, and mounting the brake discs ...
6
votes
2answers
31k views

How much disc brake drag is acceptable?

As far as I know brake pads are supposed to maintain slight contact with the rotor at all times. As usually the only thing pushing the piston back after braking is flex of the square cut seal around ...
6
votes
6answers
25k views

Why are drum brakes still fitted on Ford's cars?

Currently I own a Mk5 Astra SRi, however I am looking to sell this and buy a Ford Focus Mk2. The other day I looked at a Ford Focus Zetec Mk2. My understanding is that Zetec is sort of the ford ...
2
votes
2answers
5k views

Remaining life expectancy of brake pads and rotors

Recently I serviced my 2002 Forester at the dealership shop. I was told that the brake pads have 2mm left on them, and they recommended replacing the pads and the rotors (disks). I normally tend to ...
1
vote
1answer
47k views

Best way to remove rust from brake calipers without removing wheel

I have rang a few garages but none offer to remove rust from brake calipers, a lot of people say it is going to rust around there a bit anyway but I wanted to make them look shiny new for when I give ...
0
votes
2answers
104 views

Rock in Disk Brake, Sounds Horrible

Short Back story: I bought a Honda Ridgeline Second generation (2016 - current), 11,000 miles from the dealer, with a state inspection performed on the purchase date. The next day and a maybe 35 ...