Suburban 4WD V8-5.3L (2008)
Notice: Refer to Fastener Notice.
7. Install the nuts (6) that secure the auxiliary HVAC module to the vehicle.
Tighten the nuts to 9 N.m (80 lb in).
8. Install the air conditioning lines (4, 5) and the nut to the auxiliary HVAC module.
Tighten the nut to 16 N.m (12 lb ft).
9. Install the heater lines (2, 3) to the auxiliary HVAC module at the underside of vehicle.
10. Lower the vehicle.
11. Fill the engine coolant. Refer to Cooling System Draining and Filling (Static Fill).
12. Recharge the refrigerant to the system. Refer to Refrigerant Recovery and Recharging.
13. Leak test the fittings of the component using the J 39400-A.
