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Re: Vacuum pump for power brakes
Posted to R.P.M. Forum on 5/8/2018

i think you need more testing, rough idle and weak breaks sounds like a vac leak. i would first make sure all vac lines are connected properly, as i recall the hose to booster has a one way check valve, if it don't work ya got a problem, and block or pinch off... Login to read more.