Sierra Classic 1500 2WD V8-4.8L (2007)
8. Loosen the left exhaust pipe nuts.
9. Loosen the right exhaust pipe nuts.
10. Remove the insulator nuts and insulator from the bracket.
11. Remove the exhaust pipe hanger bracket bolts and bracket.
12. Lower the transmission slightly.
13. Disconnect the transmission oil cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection.
14. Plug the transmission oil cooler line fittings.