Yep ;
I have one of those too , it works a treat on my old Mercedes & other vehicles as I try to flush out and replace all the brake fluid every twop years , the labor is far easier than the eventual cylinder failures from old black nasty brake fluid .
Apparently , I can't move the fluid through the system fast enough to push the bubbles down the near vertical pipe connecting the two blind brake cylinders .
Nice pressure bleeders are cheap these days, back in the Service Station we had this HUGE thing on casters that contained a couple gallons of brake fluid .
-Nate
Bogy wrote :
>
> When I was a young'un we had pressurized brake bleeders.
> Would they move brake fluid through the lines fast enough to force out the air bubbles on those down-lower cylinders?
>
> Otherwise, I do like nate - I flush out the dirty fluid the usual way and then if I can I back bleed to force the bubbles uphill. That requires 2 people though.
>
> But I also have a bleeder hose with a check valve near the wheel cylinder so that I can bleed them single handed. the hose is 15 feet long and clear so I can see when the fluid is clean and I can see any and all bubbles as they return to the master cylinder. (Yes once it's clean I let it go back to the master cylinder.)
>
> When the bubbles stop I figure that is as good as I can get. Even though I'm still sure from the feel that there are bubbles in the system. there always seems to be a little too much sponginess in the pedal for me. When there are no bubbles it will be rock hard when it does stop. I used to be able to do that when I was in high school and working at gas stations. Not so much since then.
>
> Bogy.
>
>
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