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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Transit Mk7 Rear Hub won't go onto axle

I'm changing my rear brake discs and pads on my 2013 Transit Mk7. It's a FWD, SWB, 100T280. I'm on the first wheel (left side rear), I've gone to put the hub back on with the new disc attached, it won'...
Oliver Jarvis's user avatar
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Whistle noise from front wheel/brakes?

I was getting a whistle noise from my wheel and replaced the pads and rotors. Put it back together and same noise. I even took it apart again and regreased everything and lubricated parts that i ...
kevin giacomello's user avatar
3 votes
0 answers
44 views

Are these brake pads good or poor quality?

I bought these pads, that were supposed to be premium, ceramic pads, from a premium manufacturer. After a while, they started to be extremely noisy (squeaking and grinding metal-to-metal noises when ...
Chris's user avatar
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My brakes locked up or got hard to press

I have a 1996 ford f150 and was driving normally saw a red light coming so I barely tapped my brake to slow down but it acted like if I had hit the brakes very hard and I slid after that it was fine ...
Mark Reyna's user avatar
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1 answer
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brake pedal hits bottom and mechanics say it's OK

I had tires installed and after that, I noticed the brake pedal hits bottom if I press it hard enough. While in "D". The tire shop checked it and they say it's OK. There is no leak and ...
Mark Galeck's user avatar
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17 views

New tires, front brakes and rotors on 2010 VW CC Sport

Clunking noise became worse over next few days. Was told caliper bracket bolt was lost. Also parking brake light stayed on. My question is, what all damage could have occurred to my car? Could it ...
Yvette Tubberville's user avatar
1 vote
1 answer
305 views

Sudden complete brake failure

2003 Honda Civic LX I was driving down the highway when the car in front of me was heading to turn. I pushed down on the brakes, and they went straight to the floor. The brake light came on the ...
Enter4343's user avatar
1 vote
1 answer
66 views

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
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1998 Toyota Camry brake caliper/caliper bracket mismatch

I have a 1998 Toyota Camry and trying to fix the front brakes. I found the driver's side front caliper to be bad (won't compress). I pulled a caliper off another 1998 Camry and it won't fit the ...
Gary Crites's user avatar
1 vote
1 answer
38 views

Using stainless braided line with AN fitting and connecting it to junction block

I am attempting to do something new, and after researching about it, I am still heavily confused. I have watched multiple videos on how the AN fittings actually go on the braided lines, which makes ...
Noah 's user avatar
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1 answer
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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 Anti-Semitic Hate's user avatar
5 votes
4 answers
2k 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 Anti-Semitic Hate's user avatar
3 votes
1 answer
118 views

Help Needed! My vehicle (2015 Nissan Sentra) is not starting after Brake Job. - DIY

After doing brake job, both front Disk and rear drum, I have tried starting the vehicle but it's not starting. haven't faced this issue previously don't know what's wrong. It seems completely weird. ...
Akhil Surapuram's user avatar
3 votes
1 answer
379 views

Spongy brakes in a 2004 Toyota corolla

Good day! I own a 2004 toyota corolla. I have a spongy brake pedal that hits the floor with brake failure when stepped on for long like when in a traffic jam. The brake works perfectly when pumped and ...
Snowman's user avatar
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2 votes
0 answers
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Honda Civic 2018 no brake pressure in one wheel due to ABS modulator issue

I noticed that front right side brake disk is rusted in my Honda Civic 2018 (indicating the brake has not applied on that wheel), and went to a mechanic for a check. The mechanic noticed that no brake ...
Softcode's user avatar
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Strange noise after replacing brake pads and rotors

After replacing front brake pads and rotors in car repair store, I started hearing some weird noise when hitting break pedal. It’s very difficult to record that noise so I just tried to reproduce it ...
user25963's user avatar
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Can I rule out a bad master cylinder if the pedal is firm with the engine off?

I am diagnosing excessive brake pedal travel (2 inches) and would like to rule out the master cylinder. I remember one youtube video that said if the pedal has minimal travel with the engine off, one ...
redbeard1's user avatar
1 vote
1 answer
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I only did a brake fluid flush on one side before I had to stop and run an errand. Do I need to start over?

I started flushing my brake fluid. I was able to do one side, but then I had to use the car to run an errand. Do I need to redo that side? Or is it okay to pick up where I left off?
user3294071's user avatar
4 votes
1 answer
812 views

Stopping power diminishing despite good-looking brake pads?

The stopping power of my car has diminished to the point where I felt I needed to replace the front brake pads. It has also been a couple of years since I last replaced them. When I took the old pads ...
trndjc's user avatar
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1 answer
49 views

1999 Subaru Legacy Outback Wagon back wheel started squeaking when driving but stops when braking

I have a 1999 Subaru Legacy Outback Wagon. A couple days ago, I noticed the back RH (passenger side) wheel started squeaking/making a high pitch sound while I'm driving. It's gotten louder the last ...
jhfw's user avatar
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2 votes
1 answer
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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 vote
1 answer
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2000 Chevy Silverado abs engaging 5mph

My 4.3L 4x4 base pickup has the abs engage everytime Im braking at 5-6 mph replaced abs module front wheel sensors and speed sensor on tail of transfer case bleed the abs module with diagnostic tool ...
Anthony Critz's user avatar
1 vote
1 answer
62 views

Brakes seems to work on front wheels only

I had a brake issue in my car as I mentioned in this question 7 months ago. After that, I did a complete repair to the brake system. I found out that the one of the caliper bracket is not functioning ...
Dilshan's user avatar
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1 vote
2 answers
104 views

Why doesn't applying the brake auto-apply the clutch in a manual transmission car?

This is more out of curiosity than anything. I've driven both manual and automatic vehicles, and it seems to me, that the hardest part of driving a manual vehicle is starting on an incline. The rest ...
zack_falcon's user avatar
1 vote
1 answer
102 views

Self Applying Brake Pedal after Rebuilding Hydroboost - 2003 Hummer H2

Took the hydroboost apart and replaced the seals with a rebuild kit to get rid of a leak. Put everything back together and reinstalled it in the car. When turning on the engine, and bleeding the air ...
Wolf Zwiener's user avatar
6 votes
4 answers
3k 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
  • 63
3 votes
1 answer
147 views

Squeaking sound from the wheels after taking out of storage

I have a 1991 Mazda Miata that I have had stored in a Garage for the past 6 months or so. After taking it out of hibernation a few weeks ago, there has been a rather loud squeaking noise coming from ...
Flats's user avatar
  • 185
0 votes
1 answer
85 views

Rattling brakes

Just had my brake pads and rotors replaced. Now there is rattling coming from both sides butnot when I'm applying my brakes can someone please help with a possible problem it could be.
Valerie 's user avatar
2 votes
2 answers
100 views

Is it normal for rust to appear on brake disks within a couple of days of buying a new car?

I bought a Mustang Mach-E two days ago. Been very happy with it, except it rained last night and today the brake disks are covered in rust on all four wheels. We do live near a salt water bay, but my ...
Aaron's user avatar
  • 123
2 votes
3 answers
355 views

Does engine braking help stop a car faster in an emergency?

In emergency situations many people press clutch and brakes at the same time, however if lets say we only press the brakes to still keep engine braking active , would that help us stop faster? I ...
Timothy Scherer's user avatar
1 vote
1 answer
59 views

juddering on my steering wheel when braking…

I have a 2018 xtrail… I had my brake pads changed recently, they had an issue recalibrating the brakes afterwards… it took ages! And since having this done I have had a judder on the steering wheel ...
Help me 's user avatar
1 vote
1 answer
5k views

Brake noise only when releasing brakes

I hear some whining noise always and only releasing brakes, but that noise is completely gone if it's raining while I'm driving. What could the issue be? I drive a Hyundai Sedan (elantra 2009). Also I ...
answerSeeker's user avatar
0 votes
0 answers
33 views

Nasty sound on truck

My truck is making this horrendous sound whenever my wheels are turning. It’s like a low pitched grinding sound. I’m going to link a video of it so you can hear for yourself. I don’t know anything ...
Brock Neill's user avatar
2 votes
2 answers
202 views

2002 gmc sierra 2wd rpms rise when applying brakes

Truck is 2wd 5.3 v8 non flex fuel When driving anywhere from 60mph to 80mph rpms rise when I lightly tap or touch the brake pedal. I also get intermittent abs and brake warning lights when hitting ...
Joe.'s user avatar
  • 21
1 vote
2 answers
67 views

ABS ECU command while bleeding brakes

My OEM scanner gives me the option to command the ABS system to do something important while bleeding brakes. In the past (before I owned this scanner) I seemed able to bleed the brakes fine on the ...
TSG's user avatar
  • 121
5 votes
1 answer
561 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
2 votes
1 answer
151 views

What are the signs of sticking brakes?

Since couple of days ago my car started to feel a bit more sluggish on initial launches and when i park it on a very slight slope with no handbrake pulled and gear in neutral, it doesnt start to roll ...
Timothy Scherer's user avatar
15 votes
6 answers
9k 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
3 votes
1 answer
274 views

Broken Brake Caliper Pin

A few months ago, I bought a 2008 E-150 Cargo Van. The other day, I noticed that there was some grinding noise in the brakes, so today I removed the front brake calipers and found that one of the ...
Edwin's user avatar
  • 479
2 votes
1 answer
155 views

What could cause spongy brakes on a 1997 Chevy Suburban?

I had brake drums/rotors replaced, along with shoe adjusters in June 2021, and it's now 2023. Not sure how many miles we've put on them, but we've driven from Arkansas to Arizona, Montana, and more ...
Wayne Werner's user avatar
3 votes
1 answer
254 views

What could cause drivers side brake drum wearing more than passenger side brake drum?

I have a 1997 Chevy Suburban and the brakes suddenly started feeling spongy (which is a different question) - I went through to inspect all my brakes and front brake pads look fine/reasonable wear, ...
Wayne Werner's user avatar
2 votes
0 answers
204 views

One rear wheel hesitates to spin freely after drum brake change

I have a Vw Polo 6n2 from 2000 without ABS. A while back I replaced rear drum brake cylinders and shoes. After the change, with the wheels off, one of the drums were stuck while the other side spin ...
neortic's user avatar
  • 41
1 vote
2 answers
750 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
57 views

EBC brake pad sizing issue

I’d appreciate some advice please on whether this is normal. I bought some EBC yellowstuff pads for a track session I had recently. The pads fit the caliper ok and were drivable but they were ...
Ross Whitehead's user avatar
0 votes
0 answers
33 views

control mechanical brake disc by motor

I am doing a car project with mechanical braking system of the bicycles (caliper, wire, disc), and the car must be able to carry 60 kilos on top of it. I am required to control the brake system ...
المهندس محمد جابر's user avatar
2 votes
1 answer
76 views

Would a brake caliper cover work here, little clearance?

I just got a very low mileage Lexus IS350 convertible. About the only thing on the car that looks old is the brakes. I was thinking to get some after-market caliper covers. The rear has plenty of ...
Fattie's user avatar
  • 371
0 votes
1 answer
52 views

Why is thecoolant leaking out after hitting the brakes hard

My car was being driven erratically and the brakes were hit hard now I have coolant pouring out from somewhere under the radiator reservoir
StephieLeigh Hearn's user avatar
1 vote
1 answer
99 views

Can this damage my motorcycle?

So when I brake, I first hold the clutch to take the power away and then I start braking. The problem is when I try to accelerate again, it takes about 5 seconds for the motorcycle to start moving ...
RICARDO A PEREZ V's user avatar
1 vote
1 answer
56 views

Stripped Threads in Hyrdo Boost

From the pictures above, I have a hydroboost that I need to attach a hose/line to. The problem is that when trying to screw in the bolt with just my fingers, I get a little bit of resistance, and the ...
Wolf Zwiener's user avatar
3 votes
0 answers
45 views

front left brake clicking noise after changing gear

I have noticed that when I switch between straight and reverse, there is a clicking noise near the left front brake, when I let the car go for a few seconds then push the brakes. It's only one ...
jeffAA's user avatar
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