Yukon/Denali 4WD V8-6.0L VIN U (2004)
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the exhaust manifold pipe nuts.
Tighten the nuts to 50 Nm (39 ft. lbs.).
5. If the old oxygen sensor is being reused, apply anti-seize compound GM P/N 12377953 or equivalent to the threads.
6. Install the oxygen sensor.
Tighten the sensor to 42 Nm (31 ft. lbs.).
7. Connect the oxygen sensor electrical connector.
8. Connect the CPA retainer.
9. Install the clip around the engine harness and the oxygen sensor pigtail.
10. Install the exhaust muffler.
11. Install the transmission support crossmember.
12. Install the transmission support crossmember bolts.
Tighten the bolts to 95 Nm (70 ft. lbs.).
