Quote:
Originally Posted by PLeeson
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x2 on the Motive. Best tool for the job. Pressure bleeders do a
far better job than vacuum bleeders, and are easier to use.
Tip: use a turkey baster or similar to suck all the old fluid out of the reservoir first, then fill the reservoir with clean new fluid, then go about your brake bleeding. The fluid in the reservoir will be more contaminated with moisture than the fluid in the rest of the system. Better to change it for new clean fluid before forcing it all the way through the system.
Quote:
Originally Posted by dhjenkins
Not to be a bummer, but the booster probably just helped you push the pedal down - nothing more.
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Precisely. Vacuum booster only provides mechanical assistance with pushing the brake pedal. It has absolutely zero affect on the brake fluid system. Therefore, there is no benefit to leaving the car running while you perform a brake bleed. Don't do it.