Exhaust Manifold Replacement - Right Side LZ4

1. Remove the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
2. Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
3. Remove the right side exhaust manifold bolts (1).
4. Remove the right side exhaust manifold and gasket.

1. Install the right side exhaust manifold and a NEW exhaust manifold gasket onto the cylinder.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the exhaust manifold bolts and tighten to 20 N·m (15 lb ft).
3. Install the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
4. Install the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side.

Exhaust Manifold Replacement - Right Side LY7 or LCS

1. Remove the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
2. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side.
3. Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
4. Remove the right side exhaust manifold bolts (1).
5. Remove the right side exhaust manifold and gasket.

1. Install the right side exhaust manifold and a NEW exhaust manifold gasket onto the cylinder.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the exhaust manifold bolts and tighten to 20 N·m (15 lb ft).

Tighten
Tighten the bolts to.

3. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side.
4. Install the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
5. Install the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side.