Need to change pads and rotors. Do the rear caliper guide pin bolts need to be replaced at this time or are they re-used.

Thanks

 

i realy dont know... when i changed my rear brakes i didn't..

ps the rear brakes on an a4 are screw type piston. they needing a special tool to get them back in other wise they are pain. i found out the hard way they are a pain dont do it with out this tool

 

David, I have a manual that's pretty helpful for brake work. PM me your email address and I'll shoot you a copy of it.