The only thing that worked for mine (2001) was to tee into the brake vacuum line where it comes off the block for a little more suck....I teed into the existing black line in the dash access panel & drilled a snug hole just below the heater control area to get the new line to the engine compartment...it will still drop off momentarily as I accelerate but comes right back when a constant speed is achieved...I never could find a leak or the reservoir people speak of... | 
