K 1500 Yukon 4WD V8-5.3L VIN T (2000)
Evaporator Core: Service and Repair
Evaporator Core Replacement - Auxiliary
REMOVAL PROCEDURE
1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging. See: Refrigerant/Service and Repair
2. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
4. Disconnect the heater lines (2,3) from the auxiliary HVAC module at the underside of the vehicle.
5. Disconnect the air conditioning lines (2,3) from the auxiliary HVAC module at the underside of the vehicle.
6. Remove the nuts (2) from the studs (1) that secure the auxiliary HVAC module to the underside of the vehicle.
7. Remove the safety stands.