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Powermaster III bleeding


Doober

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Can somebody give me a few tips how to get rid of air in my braking system? I replaced accumulator, and now the system can not be pressurised. I bled it several times according to autozone's manual - but the pressure is not commin'. I checked pump- pumps well, check relief valves (removed them and check for ability to hold pressure)- ok. When ignition is on, brake pedal depressed- somekind of pulsating are felt on the pedal, in a 1-2 seconds after depressing (fells like air bubbles rising somewhere). Pedal travels almost to the bottom.

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After replacing the accumulator and bleeding the brakes, my pump ran for only about 30-35 seconds and then shutoff. It runs for less time than that now when I first start the car.

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I mean pump running time before bleeding

 

I think the pump ran for about a full 60 seconds before shutting off the first time I turned the key forward after swapping the accumulator in.

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  • 2 weeks later...

This would be my model of abs, yes? (11/91 sticker date)

 

the ignition didn't get turned on at all before we bled the brakes, not until we'd done it twice and were still having pedal issues. I wonder if this is the problem, and my abs isn't malfunctioning, just didn't get set right?

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This would be my model of abs, yes? (11/91 sticker date)

 

the ignition didn't get turned on at all before we bled the brakes, not until we'd done it twice and were still having pedal issues. I wonder if this is the problem, and my abs isn't malfunctioning, just didn't get set right?

 

Have any underhood pictures? I kinda doubt your 1992 model car has the PMIII setup...

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This would be my model of abs, yes? (11/91 sticker date)

 

the ignition didn't get turned on at all before we bled the brakes, not until we'd done it twice and were still having pedal issues. I wonder if this is the problem, and my abs isn't malfunctioning, just didn't get set right?

 

Have any underhood pictures? I kinda doubt your 1992 model car has the PMIII setup...

 

at the moment no, I'll snap one tomorrow though.

 

I dont know what ABS unit my car has. I have -no- freaking idea, lol.

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