Question about 1997 Chevrolet Blazer
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Posted on Jan 02, 2017
SOURCE: abs light
This is a (4) four wheel sensor system and more than likely one of them has failed. This will cause ABS module to turn on warning lamp and make the brake pedal 'act up' under the right conditions.This 'acting up' is the ABS system getting a false signal that a wheel is not turning the same as the others when it actually is. Have it scanned for codes and a streaming data scan on a road test under the same conditions that you are experiencing the 'act up' to pinpoint the fault. Hope this helps! Please rate me.
Posted on Jan 31, 2009
SOURCE: ABS brakes shudder
YOU NEED A SCANNER TO MONITOR THE WHEEL SPEED SENSORS. THE ABS IS SENSING A SKID AND THE ABS IS ACTIVATED WHEN THIS HAPPENS. THERE MAY BE A CODE FOR THE HUB THAT IS CAUSING THE ABS TO ACTIVATE.
CHECK THE WIRES FROM THE SENSORS FOR BREAKS OR CHAFFING. AN OHM READING OF THE SENSOR SHOULD BE 850-1200 OHMS, AND AND A-C VOLTAGE READING SHOULD BE 100 MV WITH YOU TURNING THE WHEEL BY HAND.
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Posted on Jul 06, 2009
There is a recall on the 02 avalanche for some ABS sensor. You can get fixed if you live in a state where it snows, According to GM "The Salt-Band" type in 02 Avalanche abs recall, you will see it. Good luck!
Posted on Mar 05, 2010
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