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7.3L Power Stroke – FUEL HEATER – Removal & Installation

1. Remove the fuel filter/water separator assembly. Remove the fuel filter cap and element.
See FUEL FILTER/WATER SEPARATOR.
2. Remove the fuel filter heater thermostat screws. See Fig. 48. Pull the thermostat out of the fuel filter/water                  separator housing.

3. Disconnect the fuel heater element electrical connector. Remove the screws and the fuel heater. See Fig. 49.

4. To install, reverse the removal procedure. Install the fuel filter/water separator assembly.
See FUEL FILTER/WATER SEPARATOR.