It's about 2.5 hours labor to replace. It's hard to describe replacement without illustrations, Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info. There is also a company that independent auto repair shops buy their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
search this on youtube there verry helpful on this you need to remoe your brake master cylinder first. when doing this if you rempve the lines from the master cylinder you need a line wrench this ensures you dont strip the fittings. also watch out for dripping brake fluid dont get it on your paint , it will ruin you paint job. after master cylinder is removed from booster youll need to disconnect the booster from the brake peddel. remove the bolts attaching the booster to the firewall and its out. when re-installing the master cylinder be sure to bench bleed it first to ensure theres fluid in it as well as no air. then to be safe go through and bleed each brake line to ensure no air in system
