K Yukon/Denali 4WD V8-5.7L VIN R (2000)
Catalytic Converter: Service and Repair
Below 8600 Lb (GVWR)
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in Vehicle Lifting.
2. Disconnect the oxygen sensor electrical connections.
3. Remove the nuts from the Y-pipe flat flange.
4. Remove the nuts, the studs and the flange seals from the Y-pipe and the exhaust manifold.
5. Remove the Y-pipe and the catalytic converter assembly.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
