K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
4. Install the auxiliary A/C evaporator tubes (2, 3) and the retaining nut to the auxiliary HVAC module.
Tighten
Tighten the nut to 16 N.m (12 lb ft).
5. Lower the vehicle.
6. Install the right front wheelhouse.
7. Install the auxiliary A/C evaporator tubes (3) to the condenser tube (2) and the accumulator (5).
Tighten
Tighten the nuts to 16 N.m (12 lb ft).
8. Recharge the refrigerant to the system.
9. Leak test the fittings of the component using the J 39400-A.
