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What if you don't bench bleed?

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Old Apr 12, 2010 | 09:55 PM
  #1  
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What if you don't bench bleed?

In redoing/modifying my brakes I forgot to bench bleed, this was of course after I removed the master cylinder and prop valve. I have been trying to bleed them now for almost a full day. I'm just starting to get a little pedal. So I'm assuming I can get bleed the brakes without bench bleeding. If so anyone have a estimate on how long it will take.
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Old Apr 13, 2010 | 06:46 AM
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Re: What if you don't bench bleed?

Originally Posted by Americanmouse
In redoing/modifying my brakes I forgot to bench bleed, this was of course after I removed the master cylinder and prop valve. I have been trying to bleed them now for almost a full day. I'm just starting to get a little pedal. So I'm assuming I can get bleed the brakes without bench bleeding. If so anyone have a estimate on how long it will take.
Because of the angle at which the master sits (and air rises), your chances of a successful bleed is probably non-existent. Some members have tried lifting the rear end in order to level the master.

JamesC
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Old Apr 13, 2010 | 01:40 PM
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//<86TA>\\'s Avatar
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Re: What if you don't bench bleed?

i dont have the paper handy, but there is a way to bleed the master with it on the car. You have to make lines that go from the 2 outlet ports and loop up and back into the master reservoir, below fluid level. Then pump away untill the bubbles stop. Not sure if there is something else involved, i just remember this method, or something similar, from the instruction sheet that came with a new master i bought.

or like james mentioned, you can try to raise the rear of the car to level the master.
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Old Apr 13, 2010 | 02:33 PM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What if you don't bench bleed?

Originally Posted by //<86TA>\\
i dont have the paper handy, but there is a way to bleed the master with it on the car. You have to make lines that go from the 2 outlet ports and loop up and back into the master reservoir, below fluid level. Then pump away untill the bubbles stop. Not sure if there is something else involved, i just remember this method, or something similar, from the instruction sheet that came with a new master i bought.
Light bulb. The above may be available as a kit. Still, I'd think the master would have to be level. Here's the idea:

http://www.superchevy.com/technical/...nch/index.html

Maybe a power bleeder.

http://www.jegs.com/i/Motive-Product...0105/10002/-1#

The application guide lists thirdgens to 91 (why not 92?)

JamesC

Last edited by JamesC; Apr 13, 2010 at 03:17 PM.
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Old Apr 13, 2010 | 04:23 PM
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Car: 1988 IROC-Z28
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Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: What if you don't bench bleed?

Thanks guys for the info!
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