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I am having a problem bleeding brakes on my 2001 Astro Van. Front brakes @ 50% rear brake shoes new. New master cylinder.

Bleed @ farthest wheel R/r then L/r then R/f and L/f .No air left in system, but I don't have a pedal at all. Need help.

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A couple of things I can think of:
Did you fill the master cyl. and have someone pump the brake and hold it until you opened the bleeder and not take there foot off until you closed the bleeder. Not trying to be smart just want to make sure of the procedure.
You may need to use a pressure bleeder to force the air out of the system and did you bleed the sys. at the master cyl.. In addition, if you are doing this manually you may have to go around more than once to clear air from the sys. Hope this helps.

Posted on Apr 18, 2017

  • Rusty Mackey
    Rusty Mackey Apr 18, 2017

    Jerry of coarse I filled the master. I bench bled it. Installed it, then bled it at the master and p/valve then the wheels. I am going to gravity bleed it now to see if that works.


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Check for cracked or loose hose on the brake booster bolted behind the master cylinder.

Posted on Apr 20, 2017

  • Larry Hicks
    Larry Hicks Apr 20, 2017

    Dude,first off,check for the cracked hose leading from the booster. After that,I suppose the experts are correct.


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Hello Rusty Mackey,

Jerry Ross has given good advice.

I would NOT recommend trying GRAVITY...

Stick with the 2 person tried & true...!!

Make sure the pedal is being pressed and HELD
the BLEED VALVE is fully CLOSED.

Dual master cylinder brake systems
will begin
to give you pedal from either front or rear...

you have a double FAILURE of your

I suspect your process/helper...

Regardless... don't get careless with the BRAKE-FLUID
around your painted surfaces.

Carnac the Magnificent

Posted on Apr 18, 2017

Testimonial: "Jerry I know all the things you tell me. My helper is a good one and he does not take his foot off till I tell him to. I have been a mechanic for over 40 years. Sometimes we all need help fixing cars."

  • Rusty Mackey
    Rusty Mackey Apr 20, 2017

    Okay guys. bleed another quart thru the system.And no pedal. New problem with the engine running the pedal stays on the floor and very slowly returns. I need real help PLEASE!! Reminder this van has ABS and Hydro boost. Thanks for any help.

  • deton8 von Splosion Apr 20, 2017


    Seriously... think about it...

    No pedal everywhere else...
    Half your system would give SOME PEDAL.

    Forget about running the engine... hydro-boost & ABS... HYDRAULIC is the perfect power transmitter... without a pedal you have a HUGE leak or PAST your MASTER (has FUBAR)... ((taper always faces the pressure))

    The mere fact you are able to pedal "another quart" through would SEEM to absolve the MASTER CYLINDER... Now I would be looking for the caliper that IS NOT HOLDING A BRAKE...

    THE RING IS BROKEN or off that piston.

    ELSE you have a brake line blowing up like a lung

    These... you WILL NOT FIND

    It has GOT-TO-BE that "NEW MASTER"


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Posted on Jan 02, 2017

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