brakes bled, PEDAL CAME UP HARD, THEN WHEN I STARTED MOTOR THE PEDAL WENT TO THE FLOOR

Asked by May 05, 2016 at 04:01 PM about the 2000 Pontiac Grand Prix GT

Question type: Maintenance & Repair

12 Answers

90,655

ABS system has air in it, try bleeding the brakes with the engine running, start with the rabs valve first, then right rear, then left rear, then right front, then left front.

1 out of 1 people think this is helpful.

rabs valve?

90,655

Look at your ABS pump assembly, you should see a bleeder screw on it, that is the rabs valve unit.

1 out of 1 people think this is helpful.

thanks

Can I vacuum bleed it ?

90,655

You can try it, if it still doesn't work the bleed them with the key on or engine running.

I can't see a bleeder!

I am looking at a delphi dbc-7

90,655

like this?

that's not it!

90,655

Then the other system you have to crack the pressure lines one at a time and bleed the air out manually with the key on to force the air out of the unit, then proceed with the rest of the system.

1 out of 1 people think this is helpful.

I'll try that, Thanks

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