F 550 2WD Super Duty V8-7.3L DSL Turbo VIN F (2002)
6. Remove the heater control valve vacuum line and clamps and remove the heater control valve.
7. Remove the heater return line.
8. Remove the nuts and the heater return line.
9. Disconnect the heater water hoses from the heater core.
INSTALLATION
1. To install, reverse the removal procedure.
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Lubricate the coolant hoses with MERPOL(R) meeting Ford specification ESE-M99B144-B or plain water only, if needed.
