Explorer 2WD V6-245 4.0L VIN X SFI (1999)
Heater Core: Service and Repair
Removal and Installation
REMOVAL
1. Drain the radiator.
NOTE: If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
2. Remove the heater water hoses.
1
Squeeze the clamps and pull the hoses off.
2
Disconnect the vacuum hose from the water control valve.
3. Remove the A/C evaporator core housing. Please refer to Heating and Air Conditioning/Evaporator Case/Service and Repair/ See: Heating and Air
Conditioning/Evaporator Case/Service and Repair
4. Remove the instrument panel. Please refer to Body and Frame/Interior Trim/Dash Board/Service and Repair/ See: Body and Frame/Interior
Moulding / Trim/Dashboard / Instrument Panel/Service and Repair
5. Remove the Powertrain Control Module (PCM). Please refer to Powertrain Controls/Computers and Controls/Engine Control Module/Service and
Repair/ See: Powertrain Management/Computers and Control Systems/Powertrain Control Module/Service and Repair/Procedures
6. Remove the PCM heat sink.
1
Remove the ground strap screw.
2
Remove the heat sink.
7. Remove the heater air plenum nuts from the engine side of the dash panel.