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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1answer
78 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 ...
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59 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 ...
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49 views

Failed Inspection - rust on rotors from not being driven much

Just attempted to have my car inspected in Vermont and the mechanic immediately said it would fail because of the rotors. He asked if the car has been sitting for a long time, and said that something &...
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Squeaking After Rotor/Pad Replacement?

Anyone know what could be causing the squeaking in this clip? I recently had my rotors and brake pads replaced. It appears to only be coming from the right rear wheel. It doesn’t go away even after ...
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2answers
76 views

Is the rear wheel supposed to spin like this?

I’m new to this community and I’m a noob in terms of knowledge about motorcycles, so please ignore my ignorance. I own a Yamaha MT15, which has run 550 KMs so far, 2 months old. About a week ago I did ...
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5answers
672 views

Is a rubbing disc brake dust cover the first symptom of a bad wheel bearing?

Wife came home the other day and said there was a noise when she turned left in the 2014 Chrsyler T&C Minivan. I drove it around a parking lot and confirmed a scraping/metallic rubbing sound from ...
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54 views

Car unstable after a disc and pads change?

I replaced a rear rotor and pads and also just pads on other side. I didn't replace rotor on other side as first caliper carrier had to be cut off and I didn't have time to do same of other side hence ...
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92 views

Can I put smaller brake discs on my car than were on it?

Could I put 256mm discs on where previously they had 270mm discs. Both sets apparently fit my car according to data info sites?
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38 views

Do brake disc diameter get thinner?

Real weird problem here. If I search car part sites by REG for brake discs it tells me I need 256mm discs. Also eBay tells me this. Now the dealer tells me I need 260mm discs which some eBay sellers ...
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23 views

do modern OEM brake pads contain asbestos? [duplicate]

While changing the oil today in a friend's shop (USA), someone grinded a OEM Ford brake pad that seems a few years old. The brake pad model number is Ford GA 8135 FG, and I was about 20 feet away. He ...
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72 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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159 views

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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35 views

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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1answer
46 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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2answers
101 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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1answer
47 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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50 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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34 views

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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50 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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135 views

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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3answers
135 views

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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1answer
51 views

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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242 views

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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4answers
125 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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1k views

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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1answer
53 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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3answers
166 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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2answers
373 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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218 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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3answers
668 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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8k views

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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2answers
583 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
61 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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3answers
256 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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22 views

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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1answer
879 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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1answer
47 views

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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1answer
95 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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1answer
38 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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73 views

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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1answer
2k 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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114 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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1answer
28 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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16 views

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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78 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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72 views

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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0answers
48 views

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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1answer
920 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.