I just finished this job yesterday on my 48 1.5 ton.
Bought all the parts from Alretta in Massachusetts.
http://www.alretta.com/ . Nice helpful folks and GREAT customer service...
The new hydrovac instructions per the vendor for my single piston unit: 1 oz or 30 cc. of "hydraulic JACK oil".
Bleed the Top hydrovac valve first, then second one, farthest wheel then closer till all four. then hydrovac AGAIN. I have a nice pedal...
I drove and stopped the truck for the first time yesterday without having to use the emergency brake! woo hoo...
Motoswiz
