This information should help you,this is not a bad chore.
Water Pump Replacement (4.8L, 5.3L, and 6.0L Engines) Removal Procedure
Important: All gaskets surfaces are to be free of oil or other foreign material during assembly.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Important: Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
Tighten Tighten the air cleaner outlet duct clamp screws to 7 N·m (62 lb in).