I have a 97 grand Cherokee that I just replaced the brake pads on. And the brake warning light is on on the dash. Brake fluid is full. And when I depress the bake to stop the warning light goes off. Then on after releasing the brake. Any idea what the problem is??

[image] Brett_Carston: 97 grand Cherokee wonder if your e-brake handle is all the way down or needs adjusting

It’s all the way down. I’ve even slammed it down to make sure. As I said when I stop the brake warning light goes away then comes back on after letting go out f the brake.

Well in my two experiences, you can make doubly sure that the switch activated by the emergency brake is not out of adjustment or disconnect as a test. The other one though my Olds had a malfunctioning switch in the master cylinder. Unfortunately the master had to be replaced to replace the switch…

From what I see the brake warning light (as opposed to the ABS warning light) turns on b/c the parking brake is engaged; or there’s unequal pressure between the two (front & rear) hydraulic circuits I expect in your case it is the latter, unequal pressure. Most likely air in the brake lines, lo…

Thank you. I will bleed the brakes again to make sure there isn’t air in the lines. I’ll get back to you once done

Also before I changed the pads. The light was on. I thought maybe worn pads. But upon replacing them all my pads were only half worn.

[image] Brett_Carston: efore I changed the pads … the light was on. Ok, so the warning light was already on before you replaced the pads. … hmm … from what I see the switch that tells the computer that the rear/front pressures are different is in the brake proportioning/combination valve. …

Brake warning light on dash

Maintenance/Repairs

Brett_Carston March 10, 2020, 2:50am 6

I did unplug the sensor and the light went off. As I plugged it back up it still had the warning light. And yes I have pressure on my brakes and can stop fine.

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Brake warning light on dash

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