Yukon XL 4WD V8-5.3L (2011)
Oxygen Sensor: Service Precautions
Excessive Force and Oxygen Sensor Caution
Excessive Force and Oxygen Sensor Caution
Caution: The oxygen sensor may be difficult to remove when the engine temperature is below 48°C (120°F). Excessive force may damage threads in
the exhaust manifold or the exhaust pipe.
