Catalytic Converter Replacement - Right Side

Catalytic Converter Replacement - Right Side (LY7)

Removal Procedure

Caution: Refer to Exhaust Service Caution.

Caution: Refer to Protective Goggles and Glove Caution.




1. Remove the exhaust manifold heat shield.
2. Remove the catalytic converter to exhaust manifold nuts (1).
3. Remove the bank 1 sensor 2 heated oxygen sensor (HO2S).




4. Remove the left catalytic converter (3) to right catalytic converter (1) nuts (2).




5. Remove the exhaust pipe to right catalytic converter nuts.




6. Remove the catalytic converter from the vehicle.
7. Remove and discard the catalytic converter to exhaust manifold gasket (1).
8. Remove and discard the left catalytic converter to right catalytic converter gasket (2).

Installation Procedure




1. Install a NEW catalytic converter to exhaust manifold gasket (1) onto the catalytic converter.
2. Install the catalytic converter to the vehicle.
3. Install a NEW left catalytic converter to right catalytic converter gasket (2) between the converters.





Notice: Refer to Fastener Notice.

4. Install the left catalytic converter to right catalytic converter nuts.

Tighten the nuts to 25 N.m (18 lb ft).




5. Install the exhaust pipe to right catalytic converter nuts.

Tighten the nuts to 25 N.m (18 lb ft).

6. Install the bank 1 sensor 2 HO2S.




7. Install the catalytic converter to exhaust manifold nuts (1).

Tighten the nuts to 45 N.m (33 lb ft).

8. Install the exhaust manifold heat shield.