Brake bleeding

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Brake bleeding

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Brake bleeding - 3/28/2008 3:29:58 PM

simonc1970

Posts: 1
Joined: 3/28/2008
Status: offline

Hi All, I have a 97 blazer that blew the back break line from the master to what I guess id the bos for the ABS. I replaced this line and am trying to bleed the brakes by pumping the brakes holding them and cracking the bleeder like i've always done however no matter how much I pump virtually no fluid is coming out. I see no other leeks. Can anyone tell me what is going on?

Thanks, Chris

Post #: 1

RE: Brake bleeding - 3/28/2008 6:07:16 PM

shawnvw

Posts: 1283
Joined: 1/18/2008
Status: offline

depending on how much air is in the system, and if air has got into the master, then it could take a while. Sounds like you've got the pattern down. you have 2 people bleeding the system right? 1 person pumps, then hold while the 2nd cracks the bleeder. Muke sure the pumps go all the way down then all way to the top. If the pumps are too short, you may be just moving the air back and forth in the line.

(in reply to simonc1970)

Post #: 2

RE: Brake bleeding - 3/28/2008 7:45:52 PM

EvansBlue

Posts: 2373
Joined: 7/12/2007
From: Princeton, NC, USA
Status: offline

Might want the bench bleed the master cylinder if there is that much air.

_____________________________

2000 Blazer LS
1981 Z28 Camaro
1994 Toyota truck

(in reply to shawnvw)

Post #: 3

RE: Brake bleeding - 3/29/2008 11:26:15 AM

Nags

Posts: 26
Joined: 1/6/2008
Status: offline

I agree bench bleeding will be the best way to get all that air out

(in reply to EvansBlue)

Post #: 4

RE: Brake bleeding - 3/30/2008 7:55:10 AM

old dog

Posts: 320
Joined: 12/25/2007
Status: offline

you might have to use a power bleeder !

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william j allison

(in reply to simonc1970)

Post #: 5

RE: Brake bleeding - 4/2/2008 12:59:02 AM

beer thirty

Posts: 9
Joined: 4/1/2008
Status: offline

if the vehicle has four wheel abs brakes then you need two special tools that go on the abs hydraulic module. or you will never get fluid. let me know and i will tell you where you can get the tools and how to do it.
if you dont know how to tell if it has four wheel abs let me know.

(in reply to old dog)

Post #: 6

RE: Brake bleeding - 4/22/2008 5:20:22 AM

tjlandrover

Posts: 16
Joined: 4/22/2008
Status: offline

Been doing brakes for 15 years, I live in massachusetts lots of rotted lines, bleeding etc...Sounds like air in the master, U should be able to get flo with an assitant, pumping, if not look to gettin your master bled or get a new one dont forget to bench bleed the master, Ive never used a mightyvac or power bleeder, always use an assitant or gravity, work everytime, THe pressure side blleeders work good the ones that clip on to the brake resivoir, but not neccesary stay with it if nothing change that master,

(in reply to beer thirty)

Post #: 7