Sierra 1500 4WD V8-6.0L (2007)
10. If the vehicle is a 1500 series, install the catalytic converter to muffler nuts.
Tighten the nuts to 45 N.m (33 lb ft).
11. For vehicles equipped with a 4L60-E/4L70-E automatic transmission perform the following steps, for vehicles equipped with a 6L80-E automatic
transmission proceed to step 13.
12. Install the HO2S electrical connector clip (1) to the fuel line clip.
13. Connect the engine wiring harness electrical connector (2) to the HO2S.
14. Install the CPA retainer.
