Brake systems on vehicles are typically driven by either pneumatic or hydraulic systems that multiply the force applied by an operator to slow a vehicles rate of speed through the use of friction.

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48
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15answers
229k 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 ...
23
votes
7answers
237k views

what is the difference between DOT3 and DOT4 brake fluids?

What is the difference between DOT3 and DOT4 brake fluids? What could possibly go wrong if I use a (4 times cheaper) DOT3 brake fluid instead of the DOT4 which manufacturer recommends (but allows ...
15
votes
3answers
1k views

What is the proper way to bleed brakes and replace the fluid?

What is the proper way to replace the brake fluid in a car? What tools are required? I want to make sure I do not get any air or bubbles in the system as this is something that needs to be done right ...
14
votes
5answers
5k 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 prosperity. Anyway, the front rotors were machined and are within the legal ...
14
votes
4answers
4k views

Is downshifting on hills harmful for non-trucks? [duplicate]

Possible Duplicate: Does Downshifting (Engine Braking) Cause Extra Wear and Tear? Since the days of taking drivers ed (many years back). I was told that when you encounter a steep or ...
14
votes
7answers
43k 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 ...
14
votes
10answers
162k 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 ...
13
votes
4answers
3k views

I drove with my Parking Brake on for 30 mins: should I be worried?

Yesterday, I was driving my car for about 30 minutes on the highway at speeds of up to 60 mph. I felt my brakes weren't really working and looked down to notice my emergency brake had been on the ...
12
votes
3answers
142 views

What is regenerative braking and why don't we use it?

I know that many electric cars use regenerative braking to enable the car to become more efficient by converting what would otherwise be lost heat energy in to a more useful, reusable form of energy. ...
12
votes
2answers
472 views

Brake flush vs. Replacing the brake fluid

Is a brake flush the exact same thing as replacing the brake fluid? Or is there a difference?
11
votes
3answers
2k views

Change calipers on both sides?

Four months ago, I had a seized brake in the front left. The slide bearing was stuck and the outer pad was worn more than the inner (at the piston). I wasn't able to move the journals of the bearing ...
11
votes
2answers
753 views

How do I drain the brake fluid for a 1999 BMW K1200RS?

I need to drain the brake fluid for my 1999 BMW K1200RS with ABS in order to do some minor service on the Master Cylinder, but I don't have a service manual for the bike. How should I go about doing ...
10
votes
4answers
19k 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?
9
votes
3answers
6k views

My brake fluid all left on short notice. What gives?

During the very cold weather (here in Ohio) recently, I noticed the brakes on my 2000 Chevy Malibu were a little soft, and made a mental note to attend to them promptly. Then, over the course of 24 ...
9
votes
5answers
1k views

Caliper piston will not collapse on Almera 98

I was changing brake pads on a Nissan Almera 98 and I accidentally pumped the brake piston a bit out. I tried putting it back with a C clamp and the old pad but it won't budge. It's completely stuck! ...
9
votes
5answers
44k views

Clicking type sound when braking at low speeds

Most of the time when I brake at low speeds I hear a clicking type sound, that is fairly faint. I do NOT hear squeaking, grinding or any high pitched noises that might indicate my brake pads are ...
9
votes
3answers
46k views

I forgot to release the hand brake while I'm driving at around 4 to 5 km. what will happen to my rear brakes?

I forgot to release the hand brake while I'm driving at around 4 to 5km. What will happen to my rear brakes?
9
votes
2answers
101 views

Brake pedal has “dead zone” in the middle of travel

I have been working on a 1999 Buick Century Custom that had rusted brake lines. I get strange pedal feel that I will attempt to describe: From 0% to about 15% depression, there is resistance and ...
8
votes
3answers
14k 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 ...
8
votes
2answers
14k views

Brakes make grinding noise during stops at low speeds

I've got a Mazda B2300 pickup that's started making a grinding sound whenever I come to a stop. Braking at a high speed doesn't make any noise, but once I get under 25-30 MPH, the grinding sound gets ...
7
votes
3answers
995 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
5answers
29k views

At what point do you need to replace the calipers?

I bought my car in February 2013 with 49K miles. It now has 61K miles on it and my brakes are starting to squeak very gently, until I apply more pressure on the brake pedal. When I bought the car, I ...
7
votes
2answers
154 views

Cause of double trailer dump truck brake lockup

Earlier today I was driving behind a double-trailer dump truck configured something like this: As we approached a red light, the driver obviously applied the brakes, and for the last 50 or so feet ...
7
votes
3answers
46k views

Brakes Smell Bad and Smoke

Here's the situation: Initially Changed a wheel/tire, and snapped a hub stud. Had to take off the brake caliper on that hub (driver's side). No problem with that, but then all of a sudden my front ...
7
votes
4answers
268 views

VW Passat Estate B5 - Parking brake suddenly slack but cable not broken

The handbrake on my VW Passat Estate B5 has suddenly become slack. With the handbrake on, the faulty side wheel is free to turn by hand. Foot brake works as normal Lifting the center console, I can ...
7
votes
2answers
9k views

Is it normal for stop distance to be long on brand new brake pads?

I just had the brake pads replaced in my car. As I left the shop I noticed coming to a complete stop took longer distance or needed a fair bit more force on the pedal. Is this normal? Will the ...
7
votes
1answer
71 views

Any possibility of engine stall if engine brake is active during gear shift?

My understanding: Engine brake uses engine friction to damp the vehicle momentum. If one wishes to apply engine brake to assist manual gearshift,(activate engine brake, rpm dies, shift to lower ...
7
votes
2answers
75 views

First time brake job - can't get new pads into the brackets

As the title says, this is my first time doing my own brakes ('06 Corolla). I replaced both my front pads and rotors. When putting the new pads in, I've been having quite a bit of difficulty with the ...
7
votes
1answer
136 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
2answers
128 views

Why aren't my “street performance” pads performing well on the street?

Background I drive a 1989 BMW 325i, and a few months ago I got a brake lining warning light. I gladly took the opportunity to upgrade from OEM rotors and pads to nice, shiny, new cross-drilled and ...
7
votes
3answers
236 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
11answers
43k views

Use of Neutral Gear in Automatic Transmission

I am new to driving A/T cars and I am trying to understand the use of Neutral(N) gear. Should I shift my gear from D to N when my car comes to a complete halt on a red light or somewhere else? As per ...
6
votes
7answers
9k 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
4answers
16k views

If my brakes overheat, do they need to be replaced?

Let's say I take my car track racing, and during it, the hard braking leads my brakes to massively losing stopping power due to them overheating (a likely outcome on stock brakes). Or likewise, I take ...
6
votes
4answers
4k views

Can a motorcycle's brake lever be bent back into shape?

I recently had a low speed spill on my bike leaving the brake lever rather bent. Can I bend it back (roughly) straight or it is likely to just break? Given that it is cast aluminium, I suspect is will ...
6
votes
3answers
3k views

Squeaky Brakes: How much of a concern are they?

I recently bought a 1998 Jeep Grand Cherokee from a dealership. When we bought it, I noticed that the brakes were not working very well, and the dealer fixed them before we finalized, putting in a ...
6
votes
2answers
10k views

brake squeal and grinding rotor even if I had just installed new pads

I have just noticed that my brakes started squealing non stop even though the pads are fairly new (8 months with just 7,000 km on it). Also I have just noticed last night that one of the brakes is ...
6
votes
2answers
3k views

Is it possible to lock wheels when ABS is working?

I have a Nissan Primera P12, which got ABS. When I normally brake, wheels don't lock and car comes to a stop as expected with any ABS system. Although if I'm travelling a bit fast and hit the brake ...
6
votes
3answers
179 views

1996 Ford E350 Club Wagon - Brake pedal will not return

I have a 96' Ford E350 Club Wagon. When I press the brake pedal the brakes work great however the pedal does not return fully. I have bleed the brakes, exchanged all the old fluid, checked the few ...
6
votes
1answer
170 views

After brake bleed, pedal goes to floor

2005 Toyota sequoia. Brake pedal was fine most of the time but occasionally it would sink to the floor while stopping and it would be hard to stop. I bled my brakes and now the pedal goes to the floor ...
6
votes
2answers
3k views

Did slamming on my brakes really fix them?

I have a 2006 Mazda 3 that until yesterday, had soft/spongy brakes. A few days ago I brought it to my local repair shop to take care of the problem, and $300 later, I had new front pads and machined ...
6
votes
1answer
8k views

Why would my electrical systems cut out when I brake?

So I told this little story to the dealership service department, and they were baffled. Never heard of anything like it in ten years, said they'd have to examine it very closely. Here's what ...
6
votes
2answers
48 views

97 thunderbird brakes

Recently purchased a 97 t bird and brakes went to floor but had the front drivers side lock up under a emergency stop. I add fluid but see no leaks so it's got to be going somewhere but was thinking ...
6
votes
3answers
24k views

Brakes go to the floor

Vehicle: 2000 Blazer v6 4.3L Symptoms: Brake goes to the floor before braking. You have to push hard to stop. Easy to "skid" tires. Brake light is on. The day before they worked perfectly fine, and ...
6
votes
2answers
2k 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
1k views

Fix / Replace ABS module

I have an Audi A6, 2000. My ABS light is on, and the brake light blinks. I was told that the ABS module needed to be replaced at the cost of $850 minimum. Is there a way to get these things fixed ...
6
votes
1answer
47 views

Audi S4 (B8.5) squealing brakes

I have a 2014 Audi s4 (B8.5) that has around 35,000 km and the brakes are already squealing when I slow down by braking gradually. The sound is intense, and very annoying. It comes and goes but for ...
6
votes
1answer
749 views

Can improper guide/lock pin installation cause a caliper to stick?

I had a brake caliper fail to release on me shortly after getting my car back from the shop (long story condensed is: took months to get done due to rust and lack of available parts from a wheel ...
6
votes
1answer
315 views

What are the brake specs on a 2008 VW GTI?

I have a fairly new to me 2008 VW GTI (US model, aka "Golf GTI" in other parts of the planet) and am trying to figure out the specs for the brakes. Specifically, I'm trying to determine the exact size ...
6
votes
0answers
22 views

'04 Daewoo Nubira brakes keep sticking on after disc and pad replacement

On my '04 Daewoo Nubira I have been and had new discs and pads all round and now the brakes keep sticking on, I have been advised I now need new calipers all round, how can I tell if its them or that ...