I am getting ready to do a water pump/serpentine replacement on my 2005 LS. I found a couple of very good links for the water pump and Lower Intake manifold replacement. The LIM link is from another forum, but he gives permission to link it up(as long as he gets credit

Both are very good, but the Intake manifold replacement is especially good. Complete with very detailed pictures, advice, and warnings. Check it out.

Water pump replacement 3.4

http://www.justanswer.com/questions/...ater-pump-2005

Lower Intake Manifold replacement 3.4
Props to angrysk8r from the Florida GM Club


http://www.floridagmclub.com/f59/lim...faq-3400-a-23/


Enjoy!