Yukon/Denali 2WD V8-6.0L VIN U (2004)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (6.0L and 8.1L Engines)
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the muffler.
3. Disconnect the Connector Position Assurance (CPA) retainers.
4. Disconnect the oxygen sensor electrical connectors (1, 2).
5. Remove the left exhaust manifold pipe nuts.
6. Remove the catalytic converter.
7. Slide the catalytic converter hanger out of the exhaust pipe hanger bracket.
