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Discussion Starter · #1 ·
Im ready to install a new power booster assy on my 70 mach 1 and the instructions say to bench bleed it before install. Why cant this just be done after its's in place?
 

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Just some guy
67 coupe, 69 Sportsroof, 86 hatchback
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You can. I've bought master cylinders that came with nice little plastic fittings and hoses ideal for the purpose. Take it nice and slow with the brake pedal so you don't splash fluid everywhere. That's the main reason for "bench" bleeding, not getting fluid all over your paint job, engine, and everything else.
 

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Yea be really careful with that stuff. Best paint remover out there.
I think the main reason to bench bleed is so you do not introduce a ton of air into the lines and make the caliper bleeding tougher. I had empty lines at the time go I did not bench bleed.
 

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get a couple foot long pieces of line with the correct fittings, and bend them over into the wells... then slowly pump the pedal.
 
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