K 2500 Truck 4WD V8-6.0L VIN U (2001)
5. Disconnect the connector position assurance (CPA) retainers.
6. Disconnect the oxygen sensor electrical connectors (1, 2).
7. Remove the left exhaust manifold pipe nuts.
8. Remove the catalytic converter.
9. Slide the catalytic converter hanger out of the exhaust pipe hanger bracket.
