Catalytic Converter: Service and Repair

REMOVE OR DISCONNECT
- Raise the vehicle.

1. Clamps at the front and rear of the three-way catalytic converter.
2. Three-way catalytic converter to front exhaust pipe and three-way catalytic converter to intermediate exhaust pipe.
3. Three-way catalytic converter.

INSTALL OR CONNECT

^ Apply sealer (GM P/N 9985020) or equivalent at the slip joint connections.

1. Three-way catalytic converter into the exhaust pipe.
2. New U-bolts and clamps at the front and rear of the three-way catalytic converter. Tighten nuts to 50 Nm (37 lbs. ft.).
^ Check for clearance and alignment.
^ Lower the vehicle.