Question about 1993 GMC Suburban

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Anti lock brake light stays on - 1993 GMC Suburban

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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

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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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My 2005 Chrysler Sebring started and turned off three times now, it just has a blinking red light?


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(!) with a squiggly line in-between 2008 dodge caravan


Sounds like a brake light. Check your brake fluid and fill to the correct level if low then see if it goes out.

The Brake light says "BRAKE" is the Brake System Warning Light: "This light monitors various brake functions, including brake fluid level and parking brake application. If the brake light turns on, it may indicate that the parking brake is applied, that the brake fluid level is low, or that there is a problem with the anti-lock brake system (if equipped)."

Another is the Anti-Lock Brake System Light: "This light monitors the Anti-Lock Brake System. The light will turn on when the ignition switch is turned to the ON position and may stay on for as long as four seconds. If the ABS light remains on or turns on while driving, it indicates that the Anti-Lock portion of the brake system is not functioning and that service is required. However, the conventional brake system will continue to operate normally if the BRAKE warning light is not on."

It could also be the Tire Pressure Monitoring light. Check the brake fluid first and see if that fixes it.

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1 Answer

Abs light stays on


That indicates that the ABS (anti-lock brakes) need service. You should bring it to a mechanic to be repaired.

When the ABS light stays lit you will only have normal brake capability. As long as it says on you will not have anti-lock brakes functioning.

Good luck!!
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