Silverado Classic 1500 4WD V8-5.3L Hybrid (2007)
14. Install the evaporator tube nut to the evaporator.
Tighten the nut to 16 N.m (12 lb ft).
15. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging. See: Service and Repair/Removal and
Replacement/Refrigerant Recovery and Recharging
16. Leak test the fittings of the components using the J 39400-A.