Power bleeder by shop vac


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Yard Art
Yard Art

Posts: 62

Joined: Wed Aug 02, 2017 11:17 am

Post Thu Jun 21, 2018 8:14 am

Power bleeder by shop vac

After fabing a new mid 90's GM power booster and master cylinder on my 48 KB-7 brake linkage, I could not get the rear brakes bled. I have the KB on a 69 Chevy C-40 running gear.

I ran 2 pieces of tubing into a glass Coke bottle, then used short pieces of larger tubing and hoses to reduce my shop vac hose down to one of the tubes coming out of the bottle. Taped all joints with electrical tape. Took the other tube coming out of the bottle and stuck it onto the rear brake bleeder. The unit sucked the air and brake fluid through the lines and into the bottle until I had the rear brakes bled. Worked like a champ! Sorry, I can't find the picture I had of the unit.

Golden Jubilee
Golden Jubilee

Posts: 7574

Joined: Thu Dec 27, 2012 12:45 pm

Location: Canada's left Coast

Post Thu Jun 21, 2018 9:18 pm

Re: Power bleeder by shop vac

Nothing gets "sucked". Your Shop Vac lowered the pressure at one end of the brake system, then the atmospheric pressure at the other end forced (blew) the brake fluid through the lines.
I would rather have tools I do not need than to need tools I do not have
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Yard Art
Yard Art

Posts: 94

Joined: Thu Dec 06, 2012 8:46 am

Location: Lima, OH

Post Fri Jun 22, 2018 9:04 am

Re: Power bleeder by shop vac

Thank goodness we have Nikki to keep us all on the straight and narrow.
Terryl51
Retired
1951 L-112 International Long Bed. Stock as I could make it!! 1974 200 3/4 ton bonus load to pull it with!!

Yard Art
Yard Art

Posts: 62

Joined: Wed Aug 02, 2017 11:17 am

Post Fri Jun 22, 2018 12:59 pm

Re: Power bleeder by shop vac

The vac also lowers the pressure around the saws and wood working tools, forcing the sawdust into the filter bag in the shop vac. A great pressure manipulating tool!

Golden Jubilee
Golden Jubilee

Posts: 7574

Joined: Thu Dec 27, 2012 12:45 pm

Location: Canada's left Coast

Post Fri Jun 22, 2018 1:12 pm

Re: Power bleeder by shop vac

Straight and narrow, EH? Now we know where you are on Sunday mornings.
I would rather have tools I do not need than to need tools I do not have

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