Sierra Classic 1500 2WD V8-5.3L Hybrid (2007)
7. Remove the plugs from the transmission oil cooler line fittings.
8. Connect the transmission oil cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.
9. Install the exhaust pipe hanger bracket and bolts.
Tighten the bolts to 17 Nm (12 ft. lbs.).
10. Instal the insulator and nuts to the bracket.
Tighten the nuts to 17 Nm (12 ft. lbs.).
11. Tighten the right exhaust pipe nuts.
Tighten the nuts to 50 Nm (37 ft. lbs.).