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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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Braking noise at low speed in dry condition, sound gone on rainy day or after car wash and back again when dry

My front brake makes squeaky noises when braking at very low speed and very low speed only, it's gone when it's wet or a rainy day or when I release the brake. When the car stops, it also makes a ...
Agung Aditya's user avatar
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Did a rear brake job, rotors pads + calipers. Carefully bedded in brakes, but still, it's now shaking when braking. Could it be overly tight lug nuts?

Did everything to the letter but car still shakes when brake is applied. Could over- tightening the lug nuts have caused it? If not that, what else could it be?
Elcucuy's user avatar
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Rusted rotor, Resurface or replace?

Took car to dealer for an inspection. They say my rear pads are due for change and they can resurface the rotor. Took it to a local mechanic for a second opinion. They say the rotor is too rusted to ...
Adam Mada's user avatar
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Am I going to fail PA inspection due to this rotor?

Apparently, one of my rotor was damaged due to a brake clip scraping on it. My brakes still feel ok. No sound or vibration. Should still be thick enough, only got 15k miles or less with it. But, am I ...
ag1191's user avatar
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Could getting the front brakes and rotors done can that cause them to get bad again within 3 months?

Three months ago my brakes were bad and every time I turned the wheel, it made a screeching sound. I had to get brakes and rotors replaced. Due to finances, I had to just do the front set. Now 3 ...
Kyla Kincaid's user avatar
1 vote
1 answer
36 views

Brake disks corrosion around the contours of the brake pads after the car was stationary for 2 months outside

I left my Mercedes W210 outside for 2 months without driving it (only driven it once per month). It had been raining. There is a corrosion around the place where the brake pads had contact with the ...
Kaloyan Roussev's user avatar
1 vote
1 answer
120 views

Brake disc looks to be damaged, should this have passed MOT?

I have recently purchased a VW tiguan 2015/2016 2.0 tdi had it less than a week. had a screw in the rear tyre, went to have tyre repaired, while the wheel was off I looked at the brake disc and it ...
James's user avatar
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1 answer
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Do these brake discs need replacing?

I've had a call from Jaguar Land Rover recommending that all four discs need replacing. I only purchased the car nine months ago. I agree the pads at 3mm require replacing, but It's hard to tell from ...
cnorthfield's user avatar
1 vote
1 answer
397 views

Why would shallow brake pads cause valleys & ridges (grooving) in disc brake rotors?

In one of Paulster2's helpful answers, he mentions: Usually when the brake pads get shallow, they start digging into the rotor and will cause all kinds of valleys and ridges. They may be large or ...
End Antisemitic Hate's user avatar
5 votes
4 answers
3k views

Do extremely rusty disc brake rotors/pads need to be replaced?

Toyota Prius that has been outdoors and not driven for 2 years has extremely rusty disc brake rotors. Sorry, I don't have any current photos or access to the vehicle. The rotors and pads were ...
End Antisemitic Hate's user avatar
2 votes
1 answer
141 views

Does anyone know what these spot on rotors are?

I was finishing up detailing my car when I noticed this spot on the rear rotor. I checked all the rotors and then saw that the other rear rotor had a similar spot like this. Now at first when I saw it ...
Mark's user avatar
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1 answer
2k views

What is this metal piece behind the brake rotor?

As you can see from the image it's rusted quite badly and today I was able to rip a good chunk off. I've included an image of the opposite rotor which, while still rusted, has the whole piece intact. ...
jtanza's user avatar
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5 votes
4 answers
7k views

What can cause two deep "stepped" grooves in a rotor?

I have a Civic with a little over 20K miles with the original brake pads and rotors. One of the rear rotors has "step-like" grooves on the top and bottom. I visually inspected but can't ...
jpQuick's user avatar
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3 votes
1 answer
887 views

Suddenly a ridge/line on the brake disc. What may this be?

Had this car (2006 A6) a few weeks, not driven much, but was driving fine. Suddenly today, after standing for a week with parking brake on, and when attempting to drive it there was a clunk sound on ...
bretddog's user avatar
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1k views

Trouble shooting abs/esp light on Peugeot 308

I have just replaced the rear discs on a Peugeot 308 hatchback, 2010 model. After this, the abs and esp fault warnings were displayed on the console, and abs/esp lights came on. Plugging in an OBD ...
jamie1989's user avatar
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1 answer
308 views

Rattling noise from Rear Right wheel Nissan Sentra

I have 2022 Nissan Sentra. As per Nissan’s service advise, I got my rear wheel Brake pads and rotors changed. And rear right wheel, I had to change calliper as well. But after installing everything I ...
Ankur113's user avatar
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1 answer
2k views

What could be the cause of rust only on the inner side of the brake disc?

As you can see in the picture below, the disc is rusted only on the inside part and the outer edges dont have rust. I heard discs rust but after braking the rust surface goes away from friction and ...
Timothy Scherer's user avatar
5 votes
1 answer
864 views

How does the brake fluid return to reservoir in Disc Brakes after brake pedal is released?

In drum brakes i think there is a spring that returns the shoes of the drum to their original location which pushes fluid back into reservoir. However for example in the video at timestamp https://...
Timothy Scherer's user avatar
14 votes
6 answers
15k views

Mechanic sent me this image and said my brake rotors should be replaced. Does this seem right?

I feel like it is normal to get some rust, especially over the winter season, where it is wetter and I have been using my vehicle less. Can you tell if they need replacement from the picture? Car is 5 ...
SmarticusRex's user avatar
1 vote
2 answers
2k views

When switching from organic to ceramic brake pads, how important is it to resurface or replace rotors?

Question #1: When switching from organic to ceramic brake pads, on a scale of 1-10, how important is it to resurface or replace perfectly good rotors? Question #2: Can the perfectly good rotors be ...
Joe Coletta's user avatar
2 votes
1 answer
229 views

What the heck is this part, and is it part of the rear brake rotors?

What actually is this? TBC the two arrows are pointing to the same thing; the left arrow is pointing to the circular part of the Thing and the right arrow is pointing to the side part of the Thing. Is ...
Fattie's user avatar
  • 411
1 vote
2 answers
119 views

Brakes sticking on one side

I have an 08 Altima. After brakes started sticking and rubbing I replaced pads and in appx a week they were rubbing again, as well as sticking on passenger side. This time I replaced the pads again,as ...
Goodoboy78's user avatar
3 votes
2 answers
191 views

Had to replace brakes and rotors in the front on a 1 year old vehicle - this normal?

I added some pictures of the rotors that they said had developed bad grooves because of rust. Is this normal? This is from a 2021 Toyota Tacoma. I'm at 35000km, which is a lot after 1 year, but I ...
xil3's user avatar
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1 answer
323 views

Did I do damage by replacing the rear rotors and pads with the parking brake engaged on a 2011 Mazda 3?

I was helping my brother replace his rear brake pads and rotors on his 2011 Mazda 3. It was his first attempt at replacing brakes, and he didn't tell me he engaged his parking brake to prevent it from ...
TheEmpireNeverEnded's user avatar
1 vote
0 answers
56 views

What is wrong with my brakes and rotors?

I've replaced my rotors and brakes 3 times in the past 18 months. A mechanic this last time said the lower control arm needed replacing so I did. Not even 8 moths have gone by, 4000 miles and I'm ...
Katb0121's user avatar
0 votes
1 answer
3k views

The center of my rotor get rusted fast. Do I miss any maintenance step?

The center of my rotors gets rusted very fast, probably after several weeks after I replace them (See the picture). I read that it’s normal because the rotor is made of cast iron. However, I also ...
Harper's user avatar
  • 125
0 votes
2 answers
57 views

1978 Jeep Wagoneer - Rotor problems

-I am trying to change the rotors on a 1978 Jeep Wagoneer (5.9L 4WD, Quadtrac), but in order to do that I need a special tool to remove the socket that holds the rotor, I don't know what tool that is. ...
AndrewManor's user avatar
0 votes
2 answers
741 views

Why does my Subaru Forester need brakes so frequently?

Our 2014 Subaru Forester (2.5li, standard transmission) had its brakes (pads and rotors) replaced on September 2020 at 75,000 miles. Now, it's September 2022 and the car has 90,000 miles on it. Our ...
nuggethead's user avatar
1 vote
1 answer
102 views

Should I replace motor bike entire front braking system?

I own FZ25 motorbike which is 4 years old. I felt front brakes becoming spongy for quite some time now. I bleeded brakes multiple times. Replaced brake levers, brake pads. I even changed brake wire ...
Ankit.Z's user avatar
  • 111
1 vote
1 answer
106 views

My 2011 Hyundai Genesis squeaks a lot

I have a 2011 Hyundai Genesis 4.6, I recently changed all 4 brakes and rotors, And it’s been about 2 weeks now and the front brakes are still squeaking really loud. At first it won’t squeak. But after ...
DemM's user avatar
  • 11
7 votes
8 answers
21k views

If my brakes are making a metal on metal noise, it is pretty much guaranteed I should replace my rotors along with my brake pads?

I've driven a moderate amount for 2 days after I noticed the horrible sound coming from my brakes. Do you think there is any chance I can still have them resurfaced? I realize the obvious answer is 'I'...
Wanderlost's user avatar
1 vote
1 answer
756 views

Hot Brakes, Wheel sticks

Hello I have a 2012 F150 that the brakes constantly get hot on the left front side. The rotors and brake were recently replaced, but this issue seems to be ongoing even with the older brake and rotor ...
Gracie's user avatar
  • 11
11 votes
5 answers
4k views

What can cause perfect holes in brake rotors?

Talking about non perforated brake rotors, on a VW gol, today it appeared to have 2 perfect small holes, which don't seem to align with anything. It seems to be corrosion, but the interesting fact is ...
Pablo Matias Gomez's user avatar
1 vote
2 answers
5k views

Feels like ABS kicks in when braking

For the past week, my car (a Hyundai Tucson 2016 and 80 000 miles) started doing like ABS kicks in when braking, but rarely. It feels like when you're braking on ice (pedal starts vibrating) for 1 ...
larin555's user avatar
  • 139
2 votes
3 answers
3k views

Do these rotors pass inspection?

Hello all, Bit urgent as I'm trying my best to help my mother. She needed a safety performed so she can go from a lease to buying her car directly from Honda. Honda is also the one that performed the ...
Sean's user avatar
  • 31
0 votes
3 answers
7k views

Brake gurgle at slow stop

A gurgling groaning noise from the front left hand side during the final few yards pulling up to a red light. This only happens when the brakes are hot for example after driving down a hill. The car ...
ajayel's user avatar
  • 484
1 vote
1 answer
41 views

Squeaking Brake Noises

My dad gave me his 2014 2014 Honda Cr-v with over 80K miles. I'm not good with cars and I'm hearing squeaking noises when hitting the brakes. Does that mean that my brake pads and rotors need ...
James Duan's user avatar
1 vote
1 answer
111 views

Is this method harmful for locking disc rotors?

As you know, in some services, it is necessary to apply brakes to prevent rotation of wheels or crankshaft. It is common to have an assistant apply brakes firmly for you but I was thinking about other ...
LFY MP7.3's user avatar
  • 968
0 votes
1 answer
89 views

Loud Click sound from left brake

My Left brake makes a loud click sound at low speed when I apply brakes. I have taken it to three different garages and got changed front both sides (L&R) calipers, brakes, shimmers,brake disks ...
AATIF NAQASH's user avatar
0 votes
1 answer
3k views

What’s this orange stuff on brake disc?

Have an mot coming up and notice this orange stuff on all 4 brake disc. What is it and will it fail an Mot? What’s required to repairs it? Thanks
James Wilson's user avatar
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1 vote
1 answer
589 views

Can an unused rear disc brake rust so badly it becomes stuck?

Usually when I start driving with my hybrid car (2016 Toyota RAV4 hybrid), I release the parking mechanism, select reverse, and the car begins moving very gently. Sometimes I have had an issue, ...
juhist's user avatar
  • 15k
15 votes
6 answers
10k views

Dealership says European cars need rotors replaced with every pad change because they use softer metals in rotors

This is for a 2018 VW Tiguan Allspace with 49,000 km (34500 miles). Living in a pretty mild climate (ie no snow and no extreme heat), but near the coast. The pad wear light came on and I scheduled ...
speedyps's user avatar
  • 153
1 vote
1 answer
4k views

Rust on Vehicle Sitting for a couple of months

My vehicle is sitting outside for a couple of months, more precisely, since around April 4th 2021 when I drove back from a safety inspection. Back then, the shop that inspected it required me the ...
Eduardo Reis's user avatar
2 votes
2 answers
2k views

Rotor Diameter for 2012 Chrysler 200

I need to repair my car in order to get a safety check certificate. The rotor that the workshop would be getting for it is 2x RAYBESTOS 780541R for the rear wheels. According to the rockauto website, ...
Eduardo Reis's user avatar
0 votes
2 answers
746 views

Brakes slowly locking up while driving

Hello everyone I have a 2001 Honda Civic dx that I just bought as a commuting vehicle to replace my wrangler. The only problem with it is that the brakes slowly lock as you drive it. I was told it was ...
Andrew Coddington's user avatar
0 votes
2 answers
6k views

Is there a eco-friendly method to dispose of brake rotors and brake pads?

I am replacing said parts: I could put these in the dump, however, it seems that there would be a better place / method for the steel to be recycled.
gatorback's user avatar
  • 1,267
1 vote
1 answer
484 views

Does Rotor Scoring caused by old brakepads warrant rotor replacement?

95 Integra LS brakepads have scored the rotor: Does the scoring warrant replacement? If I must go through the trouble of taking the part out for resurfacing, I am inclined to install a new $25 rotor....
gatorback's user avatar
  • 1,267
0 votes
2 answers
47 views

Litmus test for replacing 95 Integra rotors?

The rear wheels are making a scraping sound, which, I believe is an indicator to replace the pads. How does one determine if it is time to replace the rotors?
gatorback's user avatar
  • 1,267
3 votes
1 answer
188 views

Did I mess up my brake job?

2017 Nissan Altima SR 2.5L I replaced brake pads less than a month ago because I was hearing a grinding noise in the rear. I was shocked to see that the pads had approx half life left in them. Went ...
Matthew Zeigler's user avatar
1 vote
1 answer
2k views

Accidently put antiseize on FRONT of rotors

So I have never worked on cars before but thought I might start out by trying to replace rear rotors and brake pads. I was following along a YouTube video and everything went okay EXCEPT I realized ...
recmath's user avatar
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