Question about 1993 GMC Suburban
Gm is known for their anti-lock brake problems the most likely problem is a build up under the sensor since u have a 93 the abs sensor is incorporated into the hub cheaper to replace the hub w/sensor than to just replace the sensor the hub is not that hard to replace in the 2wd or 4wd----to clean mount jack up vehicle remove the wheel brake caliper,caliper bracket ,rotor and the abs sensor will be in view check the connection and the condition of sensor into the hub if lot of road grime or rust build up use a brush to clean area around sensor than using an allen key remove sensor careful pull straight up plug hole and clean small mounting plate replace sensor ------to replace hub do same in removing components but than need to unbolt hub from rear on 4wd also need to remove cv drive nut replace hub and done
Posted on Dec 07, 2012
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Posted on Jan 02, 2017
SOURCE: My anti lock brake light
Sounds more like you have a caliper sticking or the lock up caused another issue. Double check the master cylinder and test the splitter module. It should not have locked up the brakes on the highway. ABS is supposed to reduce that from happening. This usually occurs when teh splitter module malfunctions.
Posted on Apr 30, 2011
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