Water Pump: Specifications

Water Pump Bolt (4.3L Engine) 45 Nm (33 ft. lbs.)
Water Pump Bolt (First Pass) (4.8L, 5.3L, and 6.0L Engines) 15 Nm (11 ft. lbs.)
Water Pump Bolt (Final Pass) (4.8L, 5.3L, and 6.0L Engines) 30 Nm (22 ft. lbs.)