Yukon/Denali XL 1500 4WD V8-5.3L VIN T (2004)
14. Remove the right exhaust manifold pipe nuts.
15. Remove the exhaust muffler nuts.
16. Remove the catalytic converter.
17. Remove the oxygen sensors if the catalytic converter is to be replaced.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
