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 ...
31
votes
9answers
477k views

When do brake rotors really need to be replaced?

I need to replace my rear brake pads. A mechanic suggested I also replace my rotors because they are rusted around the edges. The rotors are in fact quite rusted, however, there is no rust on the ...
22
votes
6answers
115k views

What is causing this terrible grinding/groaning noise when I come to a slow stop sometimes? (but not always!)

Update 11/9/2013 After a good bit of driving, the noise reoccurred. I took it back to the mechanic and we decided it must be the brake pads. They're pretty worn out, and like I said before, they're ...
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 ...
17
votes
10answers
41k views

How can I remove a seized brake disc?

I'm changing the rear brake discs and pads on my Ford Focus C-MAX. I've done one side which was fairly easy, but on the other side I can't get the disc off. There is nothing holding it on as far as I ...
16
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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 ...
15
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3answers
5k views

Do I need to replace my rotors?

I just bought my used 2015 nissan altima 3 months ago with 33k miles. My lack of knowledge with cars may be catching up to me as I'm now realizing just exactly how rusted my rotors are, basically ...
15
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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?
14
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4answers
23k views

What can cause warped rotors?

I have a forward rotor on my '04 Chrysler Sebring causing a lot of pulsation when braking. I replaced the rotor- but within about a month the problem had re-appeared. The guys at Monroe noticed my ...
10
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5answers
17k views

Should rotors with rust on the rims but not the faces be replaced along with the pads?

I have an Audi A4 with approximately 35k miles. My dealership has recommended that I replace both the brake pads and the rotors and helpfully forwarded a picture to me of the rotors indicating the ...
9
votes
2answers
31k 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'...
9
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3answers
21k views

Replace front brake pads and rotors?

I went to my Honda dealership for a B-1 service, and he came back saying that I needed to replace both my front brake pads and rotors. The quote for that is $531. I am wondering if I should go ahead ...
8
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5answers
53k views

Rust on rotors after non-use, mechanic said they need to be replaced

I had my car brakes replaced about 2 years ago, since then I've driven about 4000 miles (I work downtown and tend to use public transit) after which I disconnected the battery and stopped using my car ...
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 ...
8
votes
1answer
660 views

Standard vs Carbon Ceramic Brake Discs - What do you pay for?

I was watching a car review on YouTube recently. I know that carbon ceramic brakes are often a huge optional extra on cars and they're normally physically huge as well (from what I can tell). What is ...
8
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3answers
2k views

Warped disc rotors again?

When I took my 02 Honda Accord in for its last service (not Honda) I had a very bad vibration in the steering wheel when braking which was obviously brake related. The shop told me that the front ...
7
votes
2answers
9k views

Do I really need a lathe to turn my rotors?

Last time I changed my brake pads (Toyota Tacoma v6 4WD), I did not get my rotors turned and was told I should have taken them to a mechanic to get it done. I was wondering if there is any ...
7
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3answers
3k views

Rotor Replaced and MY Car is only 3 years old

I went to pep boys because i heard squealing and my pads were worn down. he also told me that i needed to replace my rotors so not knowing anything i did but i asked them tog ive them to me so i could ...
7
votes
2answers
6k views

Is grinding the “ear” of a disc brake pad ok to make it fit?

I searched this but no luck finding an answer. I recently did a disk brake rotor and pad replacement on a friends car. One of the pads would not fit in the allocated space in the caliper frame. The ...
7
votes
2answers
384 views

If I am replacing a brake caliper should I also put in a new rotor, even if the existing one is in spec?

One of my front brake calipers is sticky and needs to be replaced. What else should be done while the caliper is out?
7
votes
2answers
7k views

2000 Chevrolet Silverado brakes dragging, 4 new rotors, 4 sets of pads, new e-brake shoes, new front calipers

I recently replaced myself or had replaced all pads, all rotors, front calipers, rear guide pins and brackets, rear brake shoes, and rear e-brake hardware, as well as the e-brake cable on my 2000 ...
7
votes
1answer
512 views

Continual Brake Issues on a 2002 Kia Spectra

I have a 2002 Kia Spectra. We have replaced the rotors 3 times, but prior to doing that we were having problems with our back brakes. The mechanic we were going to said nothing was wrong with the back ...
7
votes
3answers
3k views

Wheel change/balance leading to continuous braking

So I go to get my wheels changed and balanced and I leave with the driver side rim heating up unnaturally even after driving just a few miles. The car stops unusually quickly. It's quite clear that ...
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 ...
6
votes
5answers
93k views

Replaced brake pads - one pad was full, the other was gone. Brakes now very hot after driving

The content is pretty much contained in the title. When I went to replace the brake pads, one pad was completely gone and the other was almost like new. Now that I have replaced the pads, the wheel ...
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
3answers
3k views

Replace driver side first, then passenger side brakes?

Need advice. I am replacing brake rotors and pads for all four wheels. My home 2-car garage only gives me enough room to work on the side facing the other car, the middle of the garage. Is it safe ...
6
votes
1answer
40k views

What type of Brake Lube to use

I am going to do a DIY brake job on my car and am trying to sort out how to lube everything. I found this helpful list of places to lube: What brake components need to be lubricated? but it does not ...
6
votes
1answer
96 views

Disk rotors wear

I recently bought a second hand car (Porsche Cayman S) and I was looking at the disk rotors. Do you think that it's time to replace the front disk rotors of my car? picture1 picture2 Thanks!
6
votes
1answer
176 views

BRAKE ROTOR RUST

Own a 2011 SS Camaro. The rust on the centers (hubs) of the rotors has created a significant appearance problem since the factory sport wheels have thin spokes. Really looks bad. There's got to be ...
6
votes
1answer
338 views

Acceptable rotor runout

I've been replacing the brakes myself on my cars since I had my first car in high school ('89). Since the, I had a few cars that had terrible brake wobble after some amount of miles, some cars seemed ...
6
votes
2answers
595 views

Brake pad doesn't fully contact disc

My brake pads don't appear to fully contact the disc. They extend past the disc. Is this normal? Did I get the wrong size brake pads? I don't recall ever having this problem before. I am also ...
6
votes
2answers
15k views

2 week old disk brake pads rubbing on rotor. Is this OK? (motorcycle)

I got the pads on the front brake of my bike replaced 2 weeks ago. Immediately I heard a rubbing noise at low speed. I thought this would be ok - that the pads just had to be worn in or something, but ...
6
votes
1answer
11k views

Failed inspection due to rust on rotors?

I'm having my car inspected (VT); its a 2014 BMW 328xi. The dealer is inspecting it and said there is a "heavy amount of rust on the inside of the rear brake rotors," and that they would have to turn ...
5
votes
3answers
29k views

Rotor replacement, one or both?

I work at an independent auto repair shop and we seem to have 2 schools of thought, first thought, Mechanic A, one rotor under spec's, the other rotor on the same axle is machinable, replace only the ...
5
votes
1answer
14k views

Brake pad failure and chewed up rotor after 1 month

Replaced front rotors and brake pads less than a month ago, and now my right front brake pad is completely gone....and the rotor is totally chewed up! Began to notice a metal grind like sound on the ...
5
votes
2answers
2k views

Can chafing brake pads damage rotors?

Since replacing all of the brake pads and passenger front rotor on my 2008 Chrysler Sebring convertible, the pads have been chafing and making a non-stop chirping sound while driving. There is a ...
5
votes
4answers
47k views

Squeaking brakes on motorcycle - an issue or not?

The front disc on my motorcycle emits a low pitch squeaking noise when I'm pulling up to a complete stop (almost like the sound train brakes make when pulling up to a station). This only happens when ...
5
votes
3answers
3k views

Do I need to replace just my one rusted rear rotor, or do I need to replace both rear rotors?

I have one rear rotor that is partially rusted on the braking surface and the rust won't go away. I tried scraping down the surface to even it out, and then the entire surface looked rusted. I had ...
5
votes
2answers
11k views

New Pads, Rotor, & Caliper; Grinding, Squeaking, and Heat

I just replaced my rear-passenger side Caliper, Caliper Bracket, Rotor, and Brake-pads due to the rotor, pads, and caliper bracket grinding together. Vehicle: 2000 Blazer 4WD, recently had front ...
5
votes
3answers
11k views

Should I get my brake rotors turned without replacing the recently-replaced brake pads?

Earlier this year, I noticed my brakes starting to screech (especially in the morning or when it was cold out). Not the distinctive squeal of finished brake pads, but the more "grinding" screech of ...
5
votes
1answer
80 views

2000 Chrysler Town & Country brakes are jamming. I have replaced calipers, rotors and pads

I have a 2000 Chrysler Town & Country van. I have replaced both front calipers, rotors, and pads. It is binding though. What are the causes of binding? Is there something that may have happened ...
4
votes
4answers
17k views

Does the brake pedal always feel soft after the pads are changed?

About my bike Model: Honda CBR 250R Total Run: 17500kms Total Time: 1 year 1 month (rotor & break fluid never changed, break pad changed 6 months back) Break Fluid Level: 3mm above lower line ...
4
votes
4answers
23k views

Front brake caliper mounting bracket out of alignment with rotor

When the brake caliper mounting bracket bolts are tightened to the hub (on the passenger side only!), the new rotor binds against the bottom of the bracket on the outside (away from the center of the ...
4
votes
5answers
2k views

Is this a “warped” rotor?

I am experiencing some pulsating while braking in my 99 Ford Escort. After removing the wheel and inspecting the discs they both look like this. Are the lateral lines something that could cause the ...
4
votes
3answers
5k views

Wheel stuck to Rotor

My 2000 Durango 2 wheel drive front tire is seized to the rotor, I tried the heating method and hitting but still seized, how can I get it off without damaging the wheel?
4
votes
3answers
253 views

In general, are there signficant differences between OEM and non-OEM brake parts?

The cost of OEM parts for some cars are just completely crazy, compared to the cost of non OEM, third party parts for the same cars. That said, the quality of the cars must be at least somewhat ...
4
votes
1answer
3k views

Replaced rear rotors and pads, now both rotors hot on first test drive

Yesterday I replaced the rotors and pads on my 09 Mini Cooper. I thought it went well, but in the first short test drive, it feels like the emergency brake is set a bit. I drove a half mile, and both ...
4
votes
1answer
204 views

would turning the rotors make my front end go out of alignment?

Since I had my rotors turned my front end now pulls to the right where it didn't before. Are the two related?should they gave realigned my front end?
4
votes
3answers
607 views

Resurface individual rotor or pairs

I just had a pad whose wear indicator broke off and so damaged the inside face of the rotor along the outer edge. I'm definitely going to get this rotor resurfaced, but should I resurface the drivers ...