CTS V6-3.2L VIN N (2003)
1. Insert a NEW seal into the seal grove of the catalytic converter.
Notice:
Refer to Exhaust System Inspection Notice in Service Precautions.
See: Powertrain Management/Emission Control Systems/Service Precautions/Vehicle Damage Warnings/Exhaust System Inspection
Notice
2. Position the catalytic converter to the exhaust manifold and catalytic converter hanger bracket.
Notice:
Refer to Fastener Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings/Fastener Notice
3. Install the 3 nuts attaching the catalytic converter to the exhaust manifold.
Tighten the exhaust manifold pipe nuts to 22 Nm (16 ft. lbs.).
4. Install the 2 nuts attaching the catalytic converter to the catalytic converter hanger bracket.
Tighten the catalytic converter hanger bracket nuts to 25 Nm (18 ft. lbs.).
5. Place a NEW seal on the left side catalytic converter flange.
6. Place a NEW gasket over the right side catalytic converter studs.
7. Align the exhaust pipe flanges with the studs located in the rear of the catalytic converters.
8. Install the 2 nuts securing the exhaust pipe to the left catalytic converter.
Tighten the catalytic converter nuts to 15 Nm (11 ft. lbs.).
Notice:
Refer to Flex Decoupler Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings/Fastener Notice