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Questions tagged [braking]

The act of applying brakes to reduce a motor vehicles speed.

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0answers
13 views

Spindle work in electric parking brake system [on hold]

Today, various automotive industries are using park braking system. I am looking to know some good advantage of using of spindle in the electric park braking system. Thanks in advance.
3
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1answer
32 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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0answers
14 views

Shuddering & delayed stopping when pulling in to parking place turning right

When turning sharply to the right when pulling in to a parking place, there is a shuddering and delayed stop. ABS light has come on intermittently. FIXD shows nothing.
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0answers
26 views

I damaged a caliper slide pin bolt, should I replace the whole pin?

When replacing the brake pads and discs on a 2006 1.3 Suzuki ignis I damaged a bolt which fastens the caliper onto its mounting bracket. The bolt was stuck on and I thought it probably needed ...
1
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1answer
69 views

Spongy brakes after new tires?

Ok so i got 2 new front tires on my moms vehicle (2001 toyota sienna) and i noticed afterward that the brakes felt very soft, way more than normal. It is slow to stop and i have to push the pedal ...
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1answer
619 views

Brakes groaning noise while coming to stop or releasing the break

2013 rav4 makes some strange (groan) noise, as car comes to stop or as I release the brake slightly. Sounds (and stops) come very rough if car is on downhill and are not smooth. Definitely ...
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1answer
1k views

Can rotors be different thickness on both sides of the car?

I looked on the internet and couldn't find a direct answer. I have a car and i was told i new new rotors because the rear-driver side couldn't be turn down enough to remove the pits/lands to make it ...
2
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0answers
224 views

thump when braking

Sometimes when I brake I hear a thump that I can hear, and feel through the brake. I have a Suzuki SX4, automatic transmission. It doesn't matter if I brake quickly or slowly and it is just one "thump"...
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2answers
4k views

New pads braking cause medium steering wheel vibration, shims were not replaced, rotors look good

I know many that questions are here for this brake pad/rotor , but I have a different case. I felt a medium steering wheel vibration when braking at high speeds (above 100 kph), no pedal shaking and ...
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1answer
40 views

Increasing dead stroke of a hydraulic hand brake

This is a weird thing to want to do, but I want to know if there is a way to increase the dead stroke of a hydraulic handbrake for an electric moped. The dead stroke is the initial part of the lever ...
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0answers
1k views

Car pulls to the right when braking - started after putting jack stand under control arm

So when I jacked my car through a front central jack point, I managed to raise the car high enough to put the jack stand under the designated jack point on the left side of the car but it wasn't high ...
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2answers
77 views

Can tire-road adhesion be measured?

Rolling tires have an adhesion budget which can be expended resisting forces such as acceleration, turning, and braking. Drivers allocate their adhesion as needed, and in the case of drifting, ...
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1answer
85 views

Braking with left foot is sharper than doing with right foot [closed]

I am driving manual transmission cars for decades. Irrespective of whether it is a new or old car, I find the brakes are very sharp if I brake using my left foot in par with when I brake with my ...
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2answers
385 views

Scraping noise when braking

I own a Subaru Forester 2015, and as I was driving down the road the other day, I had the misfortune of hitting a deer. It wasn't a terrible hit, but left a nasty crack on my front left bumper. Ever ...
1
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1answer
64 views

2008 Jeep Wrangler - Painful noise when coming to a stop

I have a problem that has stumped several mechanics and friends of mine who are mechanically inclined. Below is a video(sorry for poor quality) demonstrating the issue in question https://www.youtube....
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1answer
466 views

Disengaging gear when braking/Coasting

I've recently found an eco mode on my car that is now showing tips to drive more economically. It's recently flagged up a tip saying 'don't disengage clutch above 1300rpm' which I believe it is ...
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3answers
139 views

How much movement is normal in sealed brake master cylinder?

I am trying to diagnose issues with a retrofit disc/power brake system on a 66 Ford Mustang. After the conversion, there was a spongy pedal feel, but there was no air in the lines. We bench-bled the ...
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0answers
51 views

Antilock braking system

The brake pedal of my friend's Nissan Terrano becomes spongy for short period of time while braking over bumps and the braking doesn't seem to slow down the vehicle for a short time.Braking under ...
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1answer
723 views

When braking I hear/feel a clunk at 40km/hr

I have a 2004 Toyota Sienna. When I am braking, I hear a clunk sound. I can feel it as well. Kinda like I have something rolling around in the back, but I don't. Thing is, this only happens when ...
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1answer
3k views

ABS noise and pulsation in brake pedal while braking

My Nissan X-trail T30 ABS actuator make noise and pulsation in brake pedal while braking gently under 30-40km/h speed. No fault code, no ABS or engine light. If i take out the ABS fuse, no noise and ...
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2answers
927 views

Engine braking downhill and fuel consumption [duplicate]

I've heard and read a lot of times that when you drive downhill on gear, the engine consumes almost no fuel. In contrast, when you drive down the same hill and press the clutch (or put the car in ...
3
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1answer
77 views

When braking and the car is near to stop I hear the sound of acceleration

Sometimes when I brake and the car is near to stop, I hear the sound of acceleration from the engine, i.e., it is like if I would have pressed the gas pedal (but I didn't do it). This happens randomly,...
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0answers
503 views

Clicking noise when stopping and accelerating. AC issue?

I drive a 2014 Corolla LE. Whenever I accelerate or brake, I get a tap or a click from within the dashboard near the center vent area. It happens when... I accelerate from a stop. I just tap the ...
2
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1answer
265 views

Which acceleration threshold for blinking brake light?

I would like to modify the third brake light of my car to add blinking when a strong deceleration is detected. What threshold should I set? given the basic rules of friction, the maximum possible ...
2
votes
1answer
311 views

“Keep in low gear” driving a gearless electric vehicle [closed]

Note: Don't know if the question is an adequate fit for this site. If I see a traffic sign telling me to "Keep in low gear" like the TRAVE COM O MOTOR | Keep in low gear I saw on a Portuguese highway,...
2
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2answers
41 views

2001 Chevy Cavilier brake issue

Recently every time I brake for a long period of time, for instance at a red light, the brake goes all the way down to the floor. Then when I go to accelerate after, I barely touch the gas pedal and ...
12
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3answers
22k views

Does engine braking an automatic wear out the transmission?

My question is a variation on these two: Engine braking with an automatic transmission What are the “1” and “2” or “L” gears used for on an automatic? I recently bought an automatic transmission ...
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3answers
14k views

Car randomly pulls left or right when braking

I've had this weird issue that has started happening since I switched back to summer tires this weekend that wasn't there last summer/winter. My car fights back when braking, but appears to pick a ...
7
votes
1answer
142 views

Car rolls back when braking at low speed on 14 ' Audi S4 (B8.5)

I have just been changing my brake pads for the first time and my mechanic has noticed something unusual. He told me that whenever he brakes at low speed, the car rolls back a bit. According to him, ...
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0answers
91 views

which is more popular brake, disc brake or drum brakes in passenger cars in US? can anybody give a rough idea about percentage [closed]

i am unable to find that which is most common brakes used as braking system in USA, as i am studying the braking system of vehicles in USA.
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2answers
4k views

Holding clutch when braking

I always hold my clutch when braking suddenly in traffic or to move in traffic. I heard that its bad driving. I tried to stop holding clutch and I am unsuccessful in it. How bad is this for motorcycle?...
8
votes
1answer
1k views

Brakes Slipping/malfunctioning

I recently got in a car accident because my brakes failed to work. It felt as if when I pressed them, they had slipped. I tested the brakes after-the-fact to see what the problem was, and this problem ...
4
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2answers
571 views

Stopping distance of a car

I want to calculate the stopping distance of a car from an OBD2 device. Say, I am driving at 30 kmph and apply my brakes hard. My car will skid and stop at a distance "x" meters from that point. This "...
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6answers
5k 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. ...
5
votes
2answers
925 views

Is my gas pedal long enough to enable heel-and-toe shifting?

I've heard much and recently watched a video about performing the heel-and-toe technique. I tried some dummy actions, with my car shut off and in neutral but it feels too difficult to successfully ...
5
votes
2answers
928 views

On start up car shakes, steering and braking are very HARD on 2006 Nissan Maxima

Very hot outside. Started car with a/c already on full blast (factor?). Car started shaking, put it in reverse to backup and steering wheel VERY hard to turn and brakes VERY hard to apply. Turned a/c ...
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3answers
25k views

Pressing on gas and brake at the same time by mistake - How harmful is it to the gearbox?

I usually brake with my left foot when driving a car with automatic transmission. I find it easy to switch between right-foot and left-foot braking if needed (for example, if I need to drive a car ...
3
votes
3answers
2k views

Safe engine braking in automatic cars

When I was learning to drive, I took my lessons in a manual car. On one of the lessons I was performing a reversing maneuver and I controlled the car on both the clutch and the brake pedal... which I ...
2
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2answers
5k views

Engine braking vs. braking in neutral on slippery & normal conditions [closed]

I've driven manual transmission for over 2 decades, and I've been braking by downshifting with rev matching for about one decade. I recently heard a radio show host advise people to drive carefully ...
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5answers
25k views

Mixing DOT 4 with DOT 4 synthetic

I couldn't see an existing question about this but please link to it if you know of one ... I should point out I'm English and the products described are bought in the UK, in case it makes a ...
3
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5answers
1k views

Slight pulsation from brakes at 70+ MPH (Replace rotors?)

my pads have about 25% life left, I am going to replace them soon and Im wondering, should I replace my rotors as well? Im feeling a very slight pulsation at 70+ MPH (when braking only). But braking ...
2
votes
1answer
1k views

Will the brakes wear out more on light braking?

I have a doubt. Will the brakes wear out faster on light braking? On heavy / hard braking, the tires stop faster, which means the brake pads are working for a lesser time. Will this affect / increase ...
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2answers
152 views

Should brakes lock when hit hard?

I drive a 2011 Ford Fusion SEL. If relevant, I've noticed by seeing through the wheels that it's 4 wheel disc-brakes. I used to drive a 2003 Mazda Protege DX. When I hit the brakes hard in that ...
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3answers
5k views

When is EBD (Electronic Brakeforce Distribution) beneficial?

Assuming a car has good ABS, is EBD only beneficial for inconsistent surfaces (e.g. patches of gravel, oil), or is it still beneficial for high quality roads? Also, is it helpful while braking ...
7
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4answers
696 views

Assuming identical and sufficient ABS, and ignoring aerodynamics, are tires the only factor for braking distance?

I had my first accident two days ago (minimal injuries so don't worry about that), and it's got me thinking about a lot of different aspects to driving and cars, such as braking. Had my braking been ...
1
vote
3answers
10k views

Shake while braking at certain speeds, intensified with steering input

150k miles 2.0l gas mkIV Jetta, 5-speed manual. Braking at speeds of around 40mph down to 20mph there is shake in steering and overall jerky stopping. If slight steering is added(say gentle off-ramp-...
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6answers
7k views

Does switching to neutral on an automatic transmission improve braking for immediate stopping?

I've been told that when needing to brake quickly, throwing the gear into neutral on an automatic transmission actually allows for better/quicker braking. I understand how things work pretty well but ...
2
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1answer
3k views

How to test and repair brake imbalance?

My 2000 Honda Civic Aerodeck just failed its MOT (roadworthyness test) on Front Brake Imbalance (51%). I changed the pads a few months ago, and had trouble with both calipers on the driver's side of ...
8
votes
1answer
10k views

Engine revs up when braking

Background: 2012 Honda Civic EX, 5-speed automatic, with no mods except a non-stock tire (ran over a large bolt). I keep it maintained per the manufacturer's manual and always see the Honda dealership ...
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5answers
3k views

How to increase braking power in fully loaded Wagon-R

I used to travel 500 Km to my native village with a fully loaded vehicle along with 5 person in my WagonR. I also used to cruise with speed in between 80 to 100 Km/hr but the vehicle braking decrease ...