Chrysler Repair: front heater core, heater core removal, drain coolant

Question
we have a 1999 chrysler town %26 country lxi, 3.8l, front heater core is leaking. how do you replaced the front heater core, (DIY).  

Answer
HEATER CORE
REMOVAL
1.Drain coolant system.
2.Remove left side lower column cover.
3.Remove steering column assembly. Refer to Steering for service procedure.
4.Remove ABS module, bracket and wiring ABS MODULE
5.Remove I/P to body harness interconnect and bracket Interconnect And Bracket
6.Remove lower silencer boot at base of steering shaft Lower Silencer Boot
7.Pinch off heater lines under the hood.
8.Remove heater core cover. Insert a small amount of towels under the heater core tubes. Remove heater core plate and tubes Heater Core Plate And Tubes
9.Depress heater core retaining clips Depress Clips
10.Pull up on accelerator pedal and slide heater core past Accelerator Pedal
11.Depress brake pedal Brake Pedal and remove heater core from HVAC housing.
INSTALLATION
For installation, reverse the above procedures. Install screws to retain heater core in housing. Replace heater core tube inlet O-rings. Tighten heater core tube retaining plate to 3 ± 1 N·m (27 ± 9 in. lbs.) torque.