Its a really easy job for all three, i just did mine less than a month ago. The only bolts that are or at least for me were a PITA were the lower bolts for the fan shroud and rad, just not a lot of room. Air ratchet made it way easier though.
Make sure you clean up the mating surfaces and take your time
Almost forgot, Double check, triple check that the pump you take off and the replacement the vanes on the impeller are the same. Parts store the first time game me a regular rotation pump when i needed a reverse rotation.