On ice here in Alaska our 2004 Silverado with anti-loc brakes slows, but pulses and basically locks the brakes so that you slide through intersections. This has happened once at normal speed and once at low speed. I have driven many different makes and models of vehicles with and without anti-locs and never had a problem like this. Two other drivers who use this truck have had the same problem. The only remedy we have been able to come up with is to pump the brakes as you would if there was not anti-locs.
I have the same problem! I pulled the 60A fuse under the hood for the ABS out until I could tear down and repair. Lots of extra lights on the dash for the brake system but no more unexpected pulsing issues!!!!
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What you have sounds like warped rotors. They will cause a pulse or vibration in the brake pedal. This can be caused by:
1. Rotors worn too thin. 2. Riding the brakes and/or constant hard braking 3. Sticking calipers (usually also have a pull to left or right) 4. Worn or out of adjustment rear brakes causing excessive load on front brakes.
Anti-Lock Brake System. Its a system which works in a way that when you slam on the brakes it sends a "pulsing" type of pressure to the brakes, letting them slow you down without locking up and causing you to slide.
You have a bad wheel sensor for sure. There is a TSB on this. You should have one at each wheel. A computer scan will tell you which one but it will cost about $75 to find out. A wheel sensor is about $50. Don't use a used one.
Hello kelley_hornb: My name is Roger and I will help with your problem: If this occurs when you apply the brake pedal? I would look at the brakes. Should your rotors be warped you will have a pulsing feel in the brake pedal when stopping. The harder you push the brake pedal the faster the pulsing feeling.The transmission useually does not cause this feeling or problem. The next time you drive your car. Feel for the sensation when you slow down. As the car gets slower and you can safely let the car stopwith gentle pressure on the pedal. The car should stop with the same pulsing feeling as the car rolls to a stop.Or try putting the car in neutral at 10 mile an hour and gently step on the brake. If you feel the puling then the problem would be the brakes and not the transmission. In doing this you took the transmission out of the equassion. Should you need further help please just ask. Please rate the answer. This way I know it was helpful. Thank You for using Fix Ya. Roger
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
Your anti-lock brakes are activating. The computer thinks that a wheel is locking up and pulses the brakes for a controlled stop. If you don't physically have a wheel locking up when you brake, then you need to get the wheel sensors checked.
Understood. The peddle seems to pulse normally, but the vehicle does not stop. Almost like the tires lock up.
I am sorry but stop on ice??
the pulse is normal operation of anti lock brake system.