To remove heater core, you must first remove dash board/instrument panel. See: Body and Frame Interior Moulding / Trim Dashboard / Instrument Panel
Component Layout - Overall System
When dash board/instrument panel is removed, disconnect heater unit from ventilation ducts and replace if necessary.
HEATER CORE INSTALLATION:
For installation of the heater core, reverse removal procedure. Replace dash board/instrument panel assembly as outlined in instrument panel. See: Body and Frame Interior Moulding / Trim Dashboard / Instrument Panel
January, 20, 2010 AT 6:32 AM
Allow 8-10 hrs each way to do this replacement ! Cover ecu with a plastic sheet to prevent coolant solution from entering and destroying the ecu.