Question about 2002 GMC Sierra

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When i just about get stopped my brake pedal jumps back at me i have a 2002 gmc sierra pickup its like the antilock brake system kicks in when you just about stop

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Sound like you have air in the lines

Posted on Jul 22, 2009


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I have 2002 silverado, the brake pedal pulsates and pushes back as the vehicle is slowing to a stop.I replaced the pads and rotors and the p loblem still exists. I now believe this isABS related.

Hello. What you are experiencing with the pulsating brakes and the brake pedal pushing back is the antilock brake system [ABS] working correctly. Joe

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Dec 09, 2010 | 2005 Chevrolet Silverado

1 Answer

I drive a 2002 GMC 1500hd with 96,000 miles on it. At lower speeds, my truck seems like it activates the abs system early and causes the pedal to jump. While the pedal jumps you can hear a whining...

If this is occuring at speeds of less than about 5 to 10 mph or during slow speed parking lot types of manuvers then the problem may be due to an ABS sensor at one of the front wheels. The sensor develops a very small build up of corrosion beneath it which pushes it away from the sensor tone ring just enough for the signal to degrade and for the ABS to think the wheel is locked up which, in turn, activates the ABS system which, in turn again, gives you the pedal jump and can extend the braking distance. When I find this type of problem I usually replace both of the front wheel sensors and clean up the mounting surface to fix this problem. Sometimes the problem can be seen using a scan tool that shows the actual readings the sensors are producing but many scan tools aren't quick enough to catch that data.

Jun 30, 2010 | 2002 GMC Sierra

1 Answer

2003 GMC Sierra 1500 brakes feel "soft". There are times I am afraid that the pedal is going to go to the floor. The vehicle does stop, but it is a bit nerve racking. Is this just how GM brakes operate or...

It sounds like you may have air in the hydraulic system, or if you have drum brakes on the rear, they might be worn out, or out of adjustment. It's also possible the calipers are hanging up and not moving freely. You may want to have it checked over by a pro. Usually GM pickups have pretty nice brakes.

Apr 19, 2010 | 2003 GMC Sierra 1500

2 Answers

2002 GMC sierra brake lights not working. Reverse and blinkers ARE working!

Check fuses first. If thats OK, could be a problem with the brake switch (down by the pedal) or the wiring.

Mar 26, 2010 | 2002 GMC Sierra

2 Answers

Brake pedal vibrates while braking and doesent stop right away

There's speed sensors at each wheel. You may have got some contamination in front of one of them... sounds like the abs is trying to compensate for un equal speed at each wheel... and something may be blocking a proper read at one of the wheels...

Jul 23, 2009 | 2002 GMC Sierra 1500

3 Answers

Brake peddle goes to the floor intermitantly.

The problem may be that the master cylinder needs to be bench bled,there is most likely air trapped in the piston of the master cylinder.The problem comes from the piston not being fully actuated when connected to the pedal assembly.A vacuum bleeder will generally pull it out.

May 25, 2009 | 2004 Dodge Ram 2500

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