Throttle Body Fuel Fitting Replacement
WARNING: The fuel system is under constant pressure, even when the engine is OFF. Always release fuel pressure before servicing any fuel system component.REMOVAL
1. Release fuel system pressure. Service and Repair
2. Disconnect negative battery cable.
3. Loosen fuel intake and return clamps, wrap hoses with a shop towel, twist and remove hoses one at a time.
4. Remove fuel fittings, and copper washers.
INSTALLATION
1. Using new copper washers, install fuel fittings and tighten to 175 lb-in (20 Nm).
2. Using new original equipment type hose clamps, install hoses on fuel fittings and tighten to 10 lb-in (1 Nm).
3. Connect negative battery cable.
NOTE: ASD and fuel pump relays remain energized for 7 minutes during the following test, unless the test is stopped or the ignition switch is turned to the OFF position.
4. Using scan tool, place ignition switch in "RUN" position and use Actuate Output Test "Auto Shutdown (ASD) Relay", to activate fuel pump and pressurize system.
5. Check for leaks.
6. Install air cleaner.