Sierra Classic 1500 2WD V8-4.8L (2007)
6. Remove the fuel pipe bracket nut.
7. Remove the fuel pipe bracket from the bellhousing stud.
8. Remove the heated oxygen (HO2S) sensor connector from the bracket.
9. Remove the fuel line clips from the brackets on the transmission.
10. Remove the fuel line clip from the bracket on the transfer case, if equipped with 4 wheel drive (4WD).
11. Remove the clip from the bracket on the frame.
12. Remove the transfer case harness from the clip bracket.
IMPORTANT: The area around the electro-hydraulic control unit (EHCU) MUST be free from loose dirt to prevent contamination of
disassembled anti-lock brake (ABS) components.