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.
1,137
questions
6
votes
4
answers
1k
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 ...
- 63
3
votes
1
answer
41
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 ...
- 131
0
votes
1
answer
17
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.
- 1
2
votes
2
answers
75
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 ...
- 123
2
votes
3
answers
137
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 ...
- 643
1
vote
1
answer
31
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 ...
- 11
1
vote
1
answer
60
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 ...
- 111
0
votes
0
answers
31
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 ...
- 141
2
votes
2
answers
194
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 ...
- 21
1
vote
2
answers
33
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 ...
- 121
5
votes
1
answer
285
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://...
- 643
2
votes
1
answer
32
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 ...
- 643
15
votes
6
answers
7k
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 ...
- 151
3
votes
1
answer
80
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 ...
- 479
2
votes
1
answer
57
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 ...
- 865
3
votes
1
answer
222
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, ...
- 865
2
votes
0
answers
102
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 ...
- 41
1
vote
2
answers
114
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 ...
- 13
2
votes
1
answer
51
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 ...
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 ...
2
votes
1
answer
38
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 ...
- 371
0
votes
1
answer
37
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
1
vote
1
answer
71
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 ...
1
vote
1
answer
38
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 ...
- 123
3
votes
0
answers
33
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 ...
- 31
5
votes
2
answers
3k
views
Why does brake pedal ever move
I don't think my question has any connection to vehicle maintenance or repair but I think this is the closest site to my question topic.
My question may be arising from misunderstanding. For that I'm ...
- 51
1
vote
2
answers
39
views
Brakes sticking on one side
I have an 08 Altima. After brakes started sticking and rubbing I replaced pads and in appx a week they were rubbing again, as well as sticking on passenger side. This time I replaced the pads again,as ...
- 11
1
vote
1
answer
697
views
One of the front wheels get hotter than other one
I have 2010 Suzuki Alto ( front wheel drive ), Recently I noticed that front wheels get hotter unusually. Just a 5km drive makes lug nuts really hot. A mechanic checked the calipers & everything ...
- 113
1
vote
1
answer
31
views
Can lack of brake fluid cause wheel leakage
My tuk tuk has wheelleakage this is after fluid reservoir become empty and becomes hot in the wheel
2
votes
1
answer
183
views
Do I need to bleed the brakes or overhaul?
My Ecosport has done just shy of 30k kms but the brakes leave a lot to be desired. The bite is not there as my friend's car has. If I apply the brakes it feels it takes time to come to the halt, while ...
3
votes
2
answers
113
views
Had to replace brakes and rotors in the front on a 1 year old vehicle - this normal?
I added some pictures of the rotors that they said had developed bad grooves because of rust. Is this normal? This is from a 2021 Toyota Tacoma.
I'm at 35000km, which is a lot after 1 year, but I ...
- 131
3
votes
1
answer
2k
views
Anti-seize on a slider pin?
Is there any circumstance in which it would be acceptable to put anti-seize on a slider pin (for a brake caliper)?
A mechanic wrote this to me:
"When slider pins are serviced, they are removed ...
- 171
1
vote
1
answer
62
views
Brake light switch clicky
Mazda 3 2017 with 21,000 miles.
The brake light switch ( brake relay switch ) seems to be a bit clicky and slightly stiff ( doesn't move in and out smoothly)
Any ideas how to fix it ?
- 131
0
votes
1
answer
65
views
Did I do damage by replacing the rear rotors and pads with the parking brake engaged on a 2011 Mazda 3?
I was helping my brother replace his rear brake pads and rotors on his 2011 Mazda 3. It was his first attempt at replacing brakes, and he didn't tell me he engaged his parking brake to prevent it from ...
0
votes
2
answers
38
views
Brakes behaving weirdly in reverse after hard stop
2017 VW Polo auto
Hi my son hit the brakes quite hard and now when you try and reverse with the hand brake off it’s acting like the hand break is still on and won’t reverse but rather tries to then ...
1
vote
0
answers
53
views
What is wrong with my brakes and rotors?
I've replaced my rotors and brakes 3 times in the past 18 months. A mechanic this last time said the lower control arm needed replacing so I did. Not even 8 moths have gone by, 4000 miles and I'm ...
- 11
0
votes
1
answer
137
views
The center of my rotor get rusted fast. Do I miss any maintenance step?
The center of my rotors gets rusted very fast, probably after several weeks after I replace them (See the picture). I read that it’s normal because the rotor is made of cast iron. However, I also ...
- 125
3
votes
2
answers
59
views
How is lost fluid replaced when bleeding brakes?
(Embarrassing question. I had a vague sense of how the master cylinder (M/C) works; but, when I look at the pictures, I don't see it.)
When bleeding (per schematic below):
Push on the pedal. The ...
- 1,103
1
vote
0
answers
65
views
Excessive brake pedal travel
I have a 2009 Honda Accord, and I can press the brakes 3/4 of the way down before they start braking the vehicle.
I bled brakes at all 4 wheels but it barely made a difference. One accord owner told ...
- 121
1
vote
1
answer
40
views
Gunk around wheel cylinder. (Drum brakes)
'07 Cobalt LS, rear drums
I find some slightly sticky brown 'goo' around where this wheel cylinder mates with the backing plate. (Picture below) The other side doesn't have this. I don't find ...
- 1,103
1
vote
2
answers
47
views
I was stopping for a light and my brakes only half worked, why?
I have a 2002 Saturn L200 which I bought at 91,000 miles and currently has 106,000 miles. I replaced the rear brakes myself (with the aid of a mechanic) at about 98,000 miles. Up until today, I've ...
- 111
0
votes
2
answers
131
views
Why does my Subaru Forester need brakes so frequently?
Our 2014 Subaru Forester (2.5li, standard transmission) had its brakes (pads and rotors) replaced on September 2020 at 75,000 miles. Now, it's September 2022 and the car has 90,000 miles on it. Our ...
- 173
1
vote
0
answers
74
views
Soft brake pedal goes to floor after changing brakes and rotor
I had someone change my brake pads and rotor. However now that they have I have no working brakes. I hear weird noise from car brakes. The brake light is on. We have filled brake fluid (since it was ...
0
votes
2
answers
42
views
Brakes very rusty after recent replacement
Holden Cruze 2002
front tyre
All drive or rotors are rusty now why only had them replaced spent 800. Plus other things all up spent 1580 there also abs light keep coming on
EDIT:
Does this picture ...
- 1
0
votes
1
answer
66
views
Should brake pedal push to floor whilst idling
The brakes work ok but at idle I can easily push the pedal to the floor with the car idling. The pedal doesn’t sink by itself and with the engine off the pedal becomes firm within a couple pushes as ...
- 464
0
votes
0
answers
51
views
Do I really need entire new brake system for all 4
I have a 1999 Acura Integra bought from friend in business and new/rebuilt engine was put it, yr car that has been sitting outside not driven for 7 years. I had a semi official mechanic come to look ...
2
votes
3
answers
88
views
unequial drag from front (disc) brakes
'07 Cobalt LS. No ABS, no traction control.
I have (IMO) excess drag when I manually rotate the passenger side front wheel. Inspecting, those pads have lost a lot of material. (inner & outer ...
- 1,103
2
votes
1
answer
2k
views
What thread lock is appropriate for caliper bracket bolts?
I drive a 2003 Ford Ranger with front disc brakes. About two years ago I replaced the rotors and pads and am sure I used a thread lock during assembly (and torqued to spec).
The other day when I was ...
- 123
0
votes
1
answer
21
views
Question about brakes caliper
So I was wondering if I can use 2 different brake caliper on my car one is from Duralast and one is from cardone
- 1
2
votes
0
answers
90
views
Flute like sound when depressing the brake pedal, engine off
I have a Vw Polo 6n2 from 2000 without ABS. A while back I replaced rear drum brake cylinders and shoes and then I bled them. Concerned with the brake fluid level in the reservoir which went below ...
- 41