how to replace my heater core?

Re: How do i remove the heater core from a 2001 hyundai... Sonata, Xg 300 And Xg 350....... 8-10 Hours,with helper. 1. Before servicing the vehicle, refer to the Precautions section. 2. Disconnect the negative battery cable. CAUTION After disconnecting the negative battery cable, wait for at least 10 minutes for the SRS module to deplete its stored energy. 1. Drain the cooling system into a clean container for reuse. 2. Remove the heater hoses from the heater housing. 3. Discharge and recover the air conditioning system refrigerant. 4. Remove the suction and discharge hoses from the evaporator assembly. Cap the hoses to minimize contamination. 5. Remove the evaporator drain hose. 6. Remove the SRS module and the steering wheel by removing or disconnecting the following: Steering wheel-to-SRS module nuts SRS module from the steering wheel and disconnect the electrical connector CAUTION Store the SRS module in a safe place with the front facing upward. Steering wheel-to-steering column nut Steering wheel from the steering column zjlimited_196.jpg Fig. Instrument panel assembly-Sonata (clock over image for zoom) zjlimited_197.jpg Fig. Instrument panel screw locations-Sonata 1. Remove or disconnect the following: Front and rear console assembly and remove both side covers Glove box, the center pad cover, the center crash pad and the cassette assembly Lower crash pad. Remove the console mounting bracket and the center support bracket Rear heater ducts from the heater housing Control assembly Blower speed control actuator connector and the blend door actuator connector, if equipped with semi-automatic temperature control 4 retaining bolts and remove the heater assembly 2. Disassemble the heater housing by removing or disconnecting the following: Vacuum motor-to-heater housing bolts (2 for each vacuum motor) Vacuum motor rod end connection and remove the vacuum motors Heater housing cover clips Cover and the heater core To install: 1. Install or connect the following: Heater core and the cover Heater housing cover clips Vacuum motor rod end connection and install the vacuum motors Vacuum motor-to-heater housing bolts (2 for each vacuum motor) Heater assembly and attach it to the dash panel with the mounting bolts Heater control assembly. Connect the ducts to the heater housing Console mounting bracket and the center support bracket Lower crash pad and both side covers Front and rear console assembly 2. Install the SRS module and the steering wheel by installing or connecting the following: Steering wheel to the steering column Steering wheel-to-steering column nut and torque to 30-37 ft. lbs. (40-50 Nm) SRS module to the steering wheel and connect the electrical connector Steering wheel-to-SRS module nuts Evaporator tubes, the heater hoses and the drain hose 3. Refill the cooling system. 4. Connect the negative battery cable. 5. Evacuate, charge and leak test the air conditioning system. 6. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks. How do i remove the heater core from a 2001 hyundai xg300 … www.fixya.com › Forum › Cars & Trucks › Hyundai › XG300>>>>>>>>>>>>>>>>>>>>>> copy and paste link

In other words, it's a lot of work with a lot of patience. Good luck!