Question about 2002 GMC Yukon XL

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Abs brake problems when almost stopped the brake pedal pulses

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Sounds like you have a warped brake rotor,have you had them turned recently..

Posted on Dec 12, 2009

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1 Answer

Why does the ABS seem to move forward a few more feet when I brake at a stop sign


The ABS feel like a fast pulsing in the brake pedal-- it's unmistakable. If there is no pulsing, then it probably isn't the ABS. The ABS should only kick in when you are stopping quickly on slippery ground. If it is coming on everytime you stop, then there is definitely a problem and this needs to be looked at by a professional-- preferably a dealership for your particular vehicle, though this isn't necessary.

Aug 21, 2014 | 2000 Ford Ranger SuperCab

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2005 Chevy impala brake pedal pulsation with brand new rotors installed


Is your ABS working properly? Under heavy braking the ABS should engage and 'pulse' the brakes on/off. It is normal to feel the brake petal flutter or pulse under your foot.

Under light braking there should be no pulsing as the ABS does not engage and you have changed the rotors and pads.

Nov 19, 2013 | 2005 Chevrolet Impala

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Grinding through brake pedal on 2001(Y) 1.8 petrol Freelander


Sounds like maybe cheap brake pads with to much metal in them.

Aug 21, 2012 | Land Rover Cars & Trucks

2 Answers

Brake problem.


bleed the brakes again starting form the longest line back to the shortest
if you have been getting a pulsing feeling at the pedal under normal brakes you have warped rotors that need replacing or machining
under normal brakes the abs is not effective and it is only under sever brakes that you will experience the pulsations at the pedal

May 15, 2017 | 2005 GMC Envoy

1 Answer

When I push down brakes pedal there is a noise like bump bump. It also feels on the pedal. I already replaced rotors and pads. Master cylinder is OK, and so fluid lines. The car is a Renaut Megane...


Hi.If your brake pedal seems to pulse.This is probubly the abs cutting in due to afaulty wheel speed sensor. Because the sensor is not working correctly. the system thinks theres a skid situation. it thinks one wheel is stopping faster than the other and ABS system automaticly puts brakes on and off many times a second hense the pedal pulsing. The car will need to be pluged into a code reader to find out which sensor is faulty.
The renault`s had aproblem with rear ABS sensor ring. This is the part which is on the roting part of the hub, sometimes they are a segmented ring and they also use a magnetic ring
I hope this will be of some help to you good luck.
John

Mar 04, 2011 | 2006 Toyota Camry

1 Answer

Can the ABS system fails on a 1990 Chevy Suburban and that allow the brakes to lock up on it?


If the ABS fails, the brakes will lock up when you brake hard enough to have needed the ABS system to engage. The ABS works by sending a pulsing action through the brake system when you brake hard enough to lock up the wheels.
In the old days before ABS we used to have to pump the brake pedal to achieve a pulse in an attept to keep from locking up and sliding. The old way of doing it is no where near as effective as modern ABS.
You should never pump the brake pedal on a vehicle that is equipped with ABS. If your ABS has failed, yours and others safety is at risk. Get it fixed ASAP.

Dec 28, 2010 | 1990 Chevrolet Suburban

1 Answer

Not all the time 50% the brakes have a grinding pulsing sensation they don't stop normal when this happens ant the brake pedal is very stiff. the rotors are not the problem nor the brake pads the rear...


I would like to learn something here. I understand what you are saying.

Question I have is--grinding,pulsing,don't stop normal and pedal very stiff.

I assume you personally removed the wheels and are familiar with your rotors etc.

I know your looking for answers, not being asked a question,but even ABS issues,power booster and other things excluded, you don't get grinding sounds and pulsing if there are no issues.

Just asking,so I can help as we go here.

Aug 06, 2010 | 2004 Ford Escape

2 Answers

What is abs how it function


ABS is anti-lock braking system. It is a range of four sensors which monitor the braking capability when you apply the brakes. If you are harsh and stamp on the brake pedal there is a risk of the wheels locking up and sliding (screeching from the tires).

The ABS sensors modulate the brake caliper pistons andapply and let go the brakes very quickly. This stops the tires from skidding and you will feel a pulse through the brake pedal as the hydraulic system is forced to release the pedal slightly for a fraction of a second.

As ABS stops your car from skidding it allows you to turn the steering when you are braking hard. This is good news for avoiding accidents. If you lock the wheels on a non ABS car, you continue in the direction of the wheels - unless you release the brakes and reapply quickly (same method as ABS) this is called cadence braking but when involved with a potential accident the last thing on people's minds is to release the brake pedal. Having only owned older cars, cadence braking is one method I've learned, especially from driving in the snow.

I hope this helps you and please vote for me :)

Jul 16, 2010 | 2005 Toyota ECHO

1 Answer

Abs brakes pulse when stopping and light is on


Normally a pulsing brake pedal indicates that the rotors have warpped. They can be turned, but it will happen again since turning them makes them thinner. Replace is probably the best solution.

Oct 20, 2009 | 1999 Ford Expedition

1 Answer

Truck not stoping and anti brake is working.


dosen't stop at all or just slow?, if the abs is working then you should feel the pulseing in the brake pedal just before tire lock-up, the tires will not lock-up with abs fully funtioning unless all four tires or two are in lock-up depending on the abs application, if abs fails it reverts it self to regular braking ability, hope this helps

Sep 14, 2009 | 2004 Chevrolet Silverado

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