Questions tagged [brakes]

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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25 views

Metallic sound when brake the first time after a reverse

A Klass Mercedes (180d Automatic 2017) When i go in reverse and then i set the car to drive, the first time i will use the brake it will make a metallic sound a sound like a hammer hits something ...
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346 views

Feels like ABS but I dont think it is

I have a 2004 Chevy Avalanche. Was having and issue with brake pedal pulsing, but it started when I applied my brakes quickly after starting to pull out from a store. Replaced my pads, and the ...
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Moaning sound AFTER the brake pedal is released. 2015 VW Tiguan

I am recently experiencing a weird noise coming from the front brakes (I suspect the passenger side). It only happens AFTER I remove my foot from the brake pedal. The noise would come up after around ...
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2answers
50 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 ...
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2answers
168 views

The position of draining bottle when bleeding brake system

In all brake bleeding procedures, a bottle is used to collect old and dirty fluid. I have seen some people who place the bottle on the ground below the bleeding screw (Picture A) while others may ...
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1answer
35 views

intermittent loss of brake pressure on a 2012 jeep wrangler

I have a 2012 Jeep Wrangler and I've experienced something very scary three times in the past couple of years. I was driving up to an intersection and put my foot on the brake and the brake pedal went ...
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1answer
49 views

Brakes failed MOT

I've just had my mot back from an expensive garage. He phoned and said its failed due to unbalanced brakes across an axle. In the advisories they are all on there ... pads and disks? My DOT 4 bottle ...
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Where to apply grease apart from pad ears?

When greasing the brake pad itself with something like copper-based grease, where exactly do you apply it? (I don't wish to discuss the type of grease here, I'm aware copper-based has fallen out of ...
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31 views

Weird bleeding sequence for brakes

The normal bleeding sequence is to start from the furthest wheel on to the closest wheel to the master cylinder (Right rear, left rear, right front, left front). This is pretty much the sequence on ...
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2answers
38 views

Problem with flushing and bleeding the brake lines (one person method)

As you know, there are two types of brake bleeding. In one person method (as shown in the video below the text), he uses a bottle almost half-filled with fresh brake fluid with one end of the hose ...
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2answers
49 views

If you can manually push in a brake caliper piston with a screw tool, can it still be bad?

I had noticed a burning smell in my right rear brake, suspected caliper issues, and I decided to do a brake job (2009 Mercury Milan). After thwacking off the tightened caliper with a hammer and ...
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33 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 ...
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47 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, ...
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Do all drum brakes have manual adjusters?

Recently I got chance to open drum brakes of Japanese kei car, and I was surprised because I couldn't find any star shaped manual adjuster. Is there a possibility that some vehicles don't have manual ...
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2answers
137 views

Is it harmful to drive downhill in low-gear with high RPM? [duplicate]

I went to a mountain range the other day with my Seat Toledo from 2001. Going downhill, with 12% inclination, I downshifted to 2nd gear to avoid braking all the way. The car still picks up speed, ...
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Brake-by-wire and alternator failure with dead battery

My friend was recently on a road trip in a 2009 Acura TL (3.5L), when the check battery light came on. About ten minutes later, light came on again and car fully 'shut down', going 60MPH on the road. ...
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1answer
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Steering wheel shaking when braking

I just got my brakes (front and back) done about 3 months ago, so I know they aren’t bad. But when I go to press on my brakes, my steering wheel shakes pretty bad. Any suggestion as to why that may be?...
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39 views

Brakes lock up as if the e-brake is engaged (solved by pumping the brakes)

Description of problem: This has happened twice now. Today I got in my car (after just having drove it for 30 mins with no problem), started it fine, but as soon as I moved forward it felt as though ...
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Seat Leon 1.9TDI 81KW 2002 Brake pedal goes to floor

I recently had my brakes have full service. They were taken off. Taken apart, cleaned and added new grease. Swapped brake fluid. After that, the brake pedal started to go to floor. I can pump it up, ...
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1answer
69 views

Bad Brake Booster Check Valve?

1999 Nissan Almera N15 I noticed the problem awhile ago that occasionally the brakes wouldn't disengage. If I turned the vehicle off and pumped the brake pedal a few times the brakes would disengage. ...
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2answers
109 views

Is it possible that brake fluid leaked when I compressed my piston? [duplicate]

I found a small amount of brake fluid/sludge around my piston when inspecting my brakes (I made another question that was related but different). The amount was small and absorbed into the brake/rust ...
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4answers
402 views

Tiny amount of fluid/sludge on brake piston. Do I need a new caliper?

I did a brake service, and noticed there is a very amount of brake fluid like sludge on the piston surface and brake pad. There is any overtly leaking fluid, just a semi wet sludge (made up of fluid ...
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Caliper Seized First Time Driving After Brake Repair. Whose Fault?

This week, mechanic replaced rear brake pads and rotors after mechanic said they needed replacing. Then, the first time driving it (just a few days after the repair), the rear right tire smelled ...
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78 views

What is the difference between different (marketing?) "tiers" of brake fluid?

Looking for DOT3 brake fluid for a 2009 Toyota Venza. There are several options in store which meet the same base specifications (DOT3, Federal Standard CVSS-116 and SAE J1703) as required by the ...
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88 views

Front passenger brake keeps sticking at random

I have a 2007 Kia Sorento. 3 weeks ago the front right caliper or brake started sticking. So much so that there was an extreme amount of heat coming from the wheel area. So far we have replaced the ...
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1answer
179 views

Why don't car brake systems generally use mineral oil as brake fluid?

Most cars use DOT brake fluid, which is hygroscopic. By absorbing moisture, it needs to be periodically changed, typically every 2 years. Thus, for example for a 20 year service life the brake fluid ...
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1answer
139 views

Are master cylinders really different between ABS and non-ABS?

ABS was optional on my car, and most of the readily available replacement master cylinders are marked either "ABS" or "non-ABS". The "ABS" units are rare and are "...
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2answers
51 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 ...
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59 views

Manual car rolls back on hill

When parking on our sloped drive always have to engage 1st gear and handbrake on with bricks behind wheels. If we don’t do this car rolls back, on every occasion. It seems to move then stop, move then ...
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40 views

Manual transmission SUV towed in neutral with parking brake on

Trying to assess the damage to a vehicle of mine from being towed. Vehicle isn't currently insured (project truck/won't start), so not able to test drive it at the moment. Vehicle was towed about 20km ...
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How to relieve pressure to behind caliper piston? [duplicate]

95 Integra LS 4-door: I am having great difficulty pushing in the caliper piston: necessary to position the rear brake caliper. As the brake fluid system is closed, I would think that opening the ...
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1answer
50 views

How to pin brake piston: required to install new brake pads

95 Integra LS: rotor was replaced and the brakepads are positioned for service. The rear-brake caliper gap must be opened wide enough to receive the new rotor, that is sandwiched between the two new ...
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1answer
69 views

What would happen if you pull e-brake and floor the acceleration while driving at speed?

In a Youtube video, a man's gas pedal gets stuck all the way down while driving on the highway at 100 mph. He claims he is unable to put the car in neutral, and refuses to pull the e-brake. He calls ...
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Front wheels keep locking on 04 Honda Accord

I recently changed my front brakes & calipers ever since my front wheels keep locking up. The mechanic has replaced the calipers yet again & bled the entire system still the same problem. ...
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1answer
41 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....
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Sheared Bolt: 95 Integra LS

While attempting to replace the brakepads, the lower bolt that that pins the caliper shield sheared off. What is the preferred method to remove the bolt shaft without damaging bolt receptical? It's ...
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3answers
49 views

Possible to replace brake line fitting?

I wanted to replace the brake piping connection where the center and rear brake pipes meet. The existing fittings seem rusted beyond reuse. Is there a way I can cut off the old fitting and add new ...
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1answer
70 views

Why do some cars have "soft" brakes

So I don't know if this is a real thing or something in my head but searching mainly returns issues with broken/spongy brakes and I don't think this is that. So I figured I'd ask you guys. All my life ...
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Replaced brake booster 1 1/2 years ago &this is the 2nd time now that when useing the break it makes a hissing noise &at times pedalsucks to the floor

Toyota Camry LE 4 Cylinder 2007. A year and a 1/2 ago I replaced my brake booster and ever since then (this is the 2nd time now) my brakes don't work very well they make a hissing noise when I apply ...
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1answer
52 views

Feel wheel rotation when pressing hard on the brake

I was driving in the interstate (Nissan 2019 Versa Note) and the car in front of me stopped abruptly, so I had to do the same thing. I pressed down on the brake pedal really hard and for a moment I ...
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1answer
54 views

Brakes are hard after replacing shoes

1971 Dodge pickup. Drum brakes. Rebuilt system 3 yrs ago. Has been fine. Drove from N. Ca. To Columbus Ga 2yrs later squealing from left front and back brake while truck is in motion. Tap brakes stops ...
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1answer
89 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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90 views

Vibration and Brake Issues in Bajaj Dominar 400 UG motorcycle

I have a Bajaj Dominar UG-2019 motorcycle which I have riden for around 6000 Kms. I have been noticing that it vibrates a lot between ~3000 and ~5000 RPM and vibration reaches to footpegs and ...
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27 views

ABS Brakes Bleeding

I replaced my calipers,pads, rotors, master cylinder, brake mod, hubs on my 2000 Chevy Silverado C1500 when I tried to bleed brakes it would not do anything. No pedal pressure and no fluid when trying ...
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26 views

Replace CV axle on passenger side --Brakes not working now

My husband replaced CV axle on passenger side and now after putting the tire back on the brakes go to the floor. They are fine until you put the tire on.
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1answer
90 views

Brakes are suddenly hard to push since I put new pads on, why?

I recently put new front brake pads on my wife's 2010 Chrysler Town and Country. I did not change the rotors as they were new last time I changed the pads and they still felt smooth and thick enough. ...
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2004 Toyota Sienna soft brake woes

Been a mechanic for 20 years now. Wife has a 2004 Toyota Sienna XLE Limited AWD. This car has been a huge pain in the neck for me the entire time we have owned it. Great car, sucks to work on. A year ...
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1answer
41 views

Brake pedal to the floor

1962 Ford Falcon. I adjusted the brakes (drums all round, with power booster) and now i frequently get the brake pedal going almost to the floor before working. Master cylinder or wheel cylinders need ...
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33 views

What is causing my brake calipers to stick?

I sit at a job site with my 2009 GMC Sierra idling for heat, or aircon. After 20 minutes of idling, I go to drive off and the brake calipers are locked up. Already replaced pads, discs, short lines, ...
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1answer
182 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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