Just noticed this..have to have the whole unit out to remove plunger...had to use a small nail (or something small enough for hole) to remove the clip that holds plunger in...recently helped another guy do this rebuild and it worked for fixing his booster.
Post 3 is how you get the whole assembly out of the truck. Those bolts are through the firewall and have to come out to get the assembly out from under the hood. I didn't create any sort of vice to hold mine. Just set it on a bench but I needed someone else to hold it while removing the plunger.
great step by step...I am a 2:banana: mechanic at best and I was able to complete this exact job over a year ago...over 20k of miles since and still working well.
This was my alternative to entire replacement when I started getting spongy braking and a pedal that would not return. I also...