Sierra 1500 2WD V6-4.3L (2008)
7. Remove the fuel pipe bracket nut from the bellhousing stud.
8. Remove the fuel line clip (1) from the bracket on the automatic transmission.
9. Unclip the oxygen sensor harness connector from the bracket.
10. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.