will compressing caliper without opening bleeder on 2001 suburban damage abs?


Asked by Feb 16, 2016 at 12:31 PM about the 2001 Chevrolet Suburban 1500 4WD

Question type: Maintenance & Repair

I compressed the rear caliper without opening the bleeder now abs light comes on. Haynes says to open bleeder. does this damage abs? is this fixable?

2 Answers


I never open the bleeder, there are sensors back there, maybe a wire is off. I think the code should say and will clear easy enough with a scanner.


Not normally, opening the bleeder just makes it easier to compress the piston, recheck the electrical connections, and you could try bleeding the system just to make sure there isn't any air in the braking system. Then remove the ABS fuse and KAM fuse to clear the ABS computer if you don't have a scanner. Do not disconnect the battery.

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