C Yukon 2WD V8-5.7L VIN R (1999)
7. Connect the quick-connect fittings at the fuel feed and return pipes (1) and the vapor pipes (4) at the fuel sender assembly.
8. Connect the fuel pipe unions in front of the crossmember (2).
9. Install the fuel tank and attaching hardware (3), if the tank was removed.
10. Tighten the fuel filler cap.
11. Connect the negative battery cable.
12. Check for fuel leaks.
12.1. Turn the ignition switch to the ON position for 2 seconds.
12.2. Turn the ignition switch to the OFF position for 10 seconds.
12.3. Again, turn the ignition switch to the ON position.
12.4. Check for fuel leaks.
