Sierra Classic 1500 2WD V8-5.3L Hybrid (2007)
9. Remove the cable clips from the floor panel reinforcement.
10. Remove the cable clips (2) from the transfer case, if equipped.
11. Lower the vehicle.
12. Ensure that the steering column shift lever is still in the park position.
13. Pull back the carpet and insulation around the driver's area.
14. Remove the instrument panel knee bolster. Refer to Knee Bolster Replacement.