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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12 views

Squeaking noise when braking once per wheel rotation

I have a Hyundai Tucson 2016, and when I'm breaking, I hear some sort of a squeak sound that comes from the front left side of the car. It seems to occur once every full wheel rotation. So the faster ...
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2018 Nissan Altima Brake problem when brakes are hot

I drive a 2018 Nissan Altima. Lately I’ve heard a low rumbling sound sometimes sounds like grinding when the brakes are hot. I changed the brake pads and rotors and the problem continues. This only ...
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Why do my brake rotors wear out extremely fast?

I have a Subaru Forester 2011. Yesterday I noticed passenger rear wheel is extremely hot and has a burnt smell, and sent the car to my mechanic. Today he told me he did not find anything wrong with ...
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Vehicle Steering wobbles during light braking

I recently bought a used Honda Civic. When i bought the vehicle, the tyres were literally bald, the steering used to wobble a lot when driving at higher speeds and braking. Due to this, I got the ...
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29 views

Should a rotor be replaced if its surface is coarse or rough?

When I was in the store to replace tires, the mechanic said I should replace two rotors. The back rotors are smooth when I touch them but both front rotors are very coarse, like lines drawn on to them ...
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79 views

Can this scored rotor be reused?

Discovered the following scoring / groove on the inside of a front-passenger rotor on a Ford Escape. The pads still have 70%+ life remaining, but the inside pad has a ridge corresponding with the ...
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38 views

Is it possible to tell if a brake rotor can be turned without knowing the brand?

I need my front brake rotors turned or replaced on my 2011 VW Jetta. I've got them off the car, and I was thinking there would be a marking on them to indicate a brand or a minimum thickness, but ...
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46 views

What motorcycle has brake rotor with bolts pattern of 4x55mm?

I just bought a rear rim for motorcycle but it doesn't have brake rotor. Pattern of mounting bolts is 4 holes (in square) and spacing between holes is 55/56mm (maybe 55.5mm) - square base. And (square)...
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Why is my pedal vibrating and making a noise when I start to brake?

need some advice here. I have just gotten 2007 Mitsubishi Galant from relative with some braking problems. When I go to brake the PEDAL vibrates and make a loud noise. I have taken it too the shop a ...
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44 views

Rotor replacement/machining necessary after car has been sitting for a couple of months!

My 2013 Mazda CX-5 has been sitting out for a couple of months and we had a pretty wet spring here. When I took it in for service, the dealership told me that they want to replace the rear rotors and ...
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Brake Rotors pitted after only ~5000Km

I changed the brake pads and discs/rotors a while ago, at 200K km, on my 2006 Skoda Octavia. Previous ones were pitted as well so I was just happy to be able to brake properly. But at around 205K km ...
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Are the rotor retaining screws required?

So I finally was able to replace my rotors after I drilled out the rusted screws that hold the rotor in to the hub. To avoid this problem in the future I did not install those screws/bolts back in. Is ...
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One or two lugnuts will move slightly when retorquing after replacing rotors

Have a 15 Hyundai Accent, I changed all the brakes and rotors on (as well as struts and shocks). Mfg states 80 ft lbs for wheel torque. Original rims, and wheel hub are on the car. After driving the ...
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Dealership Says I need all New Rotors

I need new brakes, and yes I have one warped rotor on the right front wheel. I understand replacing both front rotors but the dealership says all 4 rotors need replacement even though NONE of them ...
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92 views

Rust band on brake rotor

Short question - would you replace this rotor? The 'rust band' on the outer edge of the rotor is part of the 'braking surface' - in other words, if I lay the pad on the rotor, part of the pad braking ...
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Can I fit thinner disc brakes to my car?

I have a 2007 Audi TT 2.0 TFSI that has been sat for a while and the discs are all rusty and need replacing. I ordered some new discs from the internet and entered the registration number of my car to ...
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45 views

Opel Corsa 1.4 brakes engages on its own

My car Opel Corsa 1.4 2009 is been driven just 36k km. A strange problem started a few days back. When I drive more than 10 km in city and restart the car with a small wait(<5 mins) the car ...
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112 views

How can my brake discs be warped but not the pads?

I bought a 2nd hand car from a dealer & had a service today. I was told that brake discs r warped but pads are fine. I only got the car sept last year & it's a year old. How can discs be ...
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252 views

Can finger prints on disc brake rotor cause problems

I was swapping my brakes today, and did not wear gloves. My fingers were blackened and probably had some grease/oil mixed in on them. At one point, I grabbed my disc brake's rotor accidentally. I ...
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189 views

Do all brakes screech when worn out?

I have a Nissan Qashqai+2 dci 2010. My mechanic told me that my brakes are going out, especially one of the front ones. He told me that it would be very dangerous to continue driving like this. The ...
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408 views

Do worn out tires effect the brake pad, rotor and shocks?

My tires are worn out and the mechanic suggested that if I don't change them then it will cause negative impact on the brake pad, rotor and shocks? Is this true. Car is done 150000 kms and braking ...
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What do you do when brand new pads are rubbing on new rotor? It smokes and smells so bad and it seems like it is going to catch on fire

What do you do when brand new pads are rubbing on new rotor? I changed both rear rotors and brake pads but passenger side piston was so hard to retract. Had to rent a heavy duty tool because mine kept ...
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422 views

When should I replace a 2016 Subaru Forester brake pads?

Last time I put my 2016 Forester to a regular service, I was told I need to replace the rear pads and rotors, and to revisit the front pads as they have some 5mm left on them. When do you replace the ...
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1answer
57 views

How can I check if the new brake pad will fit my caliper before buying?

I am trying to get a set of EBC redstuff brake pads for my 2019 mazda 3 hatch. How can I tell if it would be compatible? And would I need new "sport" oriented rotors with those cooling vents to go ...
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193 views

Do I have to replace brake discs as well as pads?

I'm on my second Mercedes (CLK then C class). I gather that due to the design, where the pads grip slightly inside the edge of the disc, the discs will always become lipped. Whenever the pads have ...
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Sound from new brakes

I recently changed my both front brake pads and rotors, but after two days it started to make sound at very slow speed less than 5 km/h like a complete stop. It only sounds when reaching complete stop....
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618 views

The purpose of redundant holes in some hubs and brake rotors

I have changed front brake rotors and noticed two extra holes in the hub and in the brake rotor. The holes are matching with each other. The purpose of them are unclear for me. The car: Astra H 2012 ...
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CV joint broken after brake repair, related?

On my front wheel drive vehicle I had all my rear brakes and rotors replaced. The following day my cv joint snapped, less than 10 miles driven. Could this in anyway be related to the repair? Or just ...
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30 views

Slight chirping noise from front wheel base after new brake pads

I had the dealership put on new front brake pads on my 2013 Corolla and do a brake line flush for maintenance. I noticed when the car is accelerating there will be a slight chirping noise coming ...
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93 views

Can I change the brake pads without changing brake disc for the front tyres?

I drive Honda Jazz 2010 model. My brake discs for the rear tyres have experienced some corrosion and I intend to change the brake discs together with brake pads for the rear tyres. My brake discs ...
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36 views

Scuffing Sound From Front Left Brakes After Repair Work

I recently got my car (2009 Toyota Matrix S) inspected by a reputable mechanic, and they diagnosed me with sticky calipers all around, with the back ones nearly locked. On their advice, I replaced ...
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Can performance brakes (Brembo's) be used on road trips in the rain?

This is a follow up question to my never ending situation regarding the stock brakes on the 2018 Subaru BRZ SportTech RS (they're Brembo's from the factory): How long should disc brakes take to slow ...
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1k views

Brake pedal goes to floor “sometimes” only

Driving a 2007 Volvo S40, automatic transmission. As title states, my braking pedal sometimes goes to floor during driving, mainly when I'm in a traffic jam and using the brakes actively. It also ...
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90 views

2010 Mazda 3 Rotors and Brake Pads

I have a Mazda 3 2010 at 100,000 miles. Unfortunately I don't have the exact history for replacement but recently had a vehicle report done at a mechanic where they started I should replace front ...
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27 views

Do corrosion resistant rotors perform less?

Slightly costlier ( $35 vs $54 in a popular chain for 2005 Camry front) rotors do not rust. But does it come at a cost of performance? The surface might be more smooth and hence have less friction ...
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3.5 dodge charger 2010 sxt

I seem to have to replace my rotors every 3 months I put new calipers on I put new rotors new brake pads new line the front arm lower rocker arm somebody told me that it could be my struts is my car ...
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62 views

Wheel shake 2009 Honda Civic

At the end of my rope here, had classic wheel shake at highway speeds and replaced rotors last April. By around September same symptoms back again went back to the shop and he replaced them under ...
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Is this new brake disc (rotor) acceptable?

Just received some Brembo discs. Was just about to clean one and install when I noticed one had what looks like a scratch on it. I am sending back to retailer. They will accept return but claim it's ...
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New Brakes and Rotors… but still grinding sound

So I have a 91 Toyota pickup, 4wd and 4 cyl-22r engine. I just replaced the rotors and brake pads and bled the system. When I went to drive it after the install, I got about 300 feet away from my ...
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807 views

How is pattern of holes decided on rotor of disc brakes?

I am designing a disc brake. I want to know the theory behind pattern of holes in the rotor in disc brakes.
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235 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 ...
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4answers
320 views

Why don't brake rotors self level through use?

A few months ago my brakes developed a wobble, and the mechanic explained that there is a high spot in the rotor so when I'm braking the brake pads grab that spot more than the rest and it makes the ...
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2answers
122 views

1 year old car needs brace servicing and rotor replacement?

I work at home and don't drive much (3,000 km on the car). I have a 2017 Mazda CX5 I bought last fall. Most of the time it's in my (attached, insulated) garage. I drive it maybe once or twice a week. ...
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370 views

Thumping sound and pulsating brake pedal

I'm driving a '12 VW Scirocco. Last Friday I had my winter tires put on at the shop, and I went for a 700 km road trip here in Norway. After some 100 kilometers I noticed my car making a cluncking/...
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274 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 ...
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1answer
62 views

How to choose best disc brake rotor for the price? (2006 Honda Accord)

I have a vibration on freeway braking that looks to be coming from a slightly warped front disc brake rotor. Shopping for replacements, I see that "Brakebest" brand has three different rotors that ...
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675 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 ...
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2k views

Brakes smoking overheating and car shaking

So I changed my front brake pads and had problems pushing in the passenger side piston. I eventually got it and everything on it started shaking. The passenger side was super hot, so I figured I had a ...
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1answer
48 views

Question regarding caliper assembly

I have a 2012 Ford Fusion SEL and have decided to try to replace brakes and rotors myself. I have successfully got the caliper and piston removed. Successfully reset the piston. Put the new rotors on ...
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672 views

I replaced the pads but not rotors, are my pads warped and no good?

So long story-ish. I had been dealing with a wobble when it came to high speed braking, due to me not knowing much about cars I replaced the back brakes and rotors thinking that was the problem, since ...