Below is the procedures for replacing your heater core.
Disconnect the negative battery cable and drain the cooling system.
Disconnect the heater hoses from the heater core inlet and outlet connections in the engine compartment.
Allowing residual coolant from the heater core to drain. Cap the openings.
Working inside the vehicle, remove the lower instrument panel sound insulator.
Remove the heater floor outlet duct screws or clips and remove the duct.
Remove the heater core cover by removing the attaching screws and clips.
Remove the heater core cover.
Remove the heater core retainers and remove the heater core
Position the heater core in the housing and install the retaining straps.
Position the heater core cover on the housing and install the attaching screws and clips.
Install the floor outlet duct and attaching screws or clips.
Install the lower instrument panel sound insulator.
Working in the engine compartment, connect the heater core inlet and outlet hoses.
Fill the cooling system.
Start the engine and check for coolant leaks. Allow the engine to warm up sufficiently to confirm the proper operation of the heater.
Recheck for leaks. Check the cooling system level.
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Monday, February 16th, 2009 AT 12:30 AM