Exhaust Manifold Heat Shield Replacement - Right Side LY7

Caution: Refer to Exhaust Service Caution in the Preface section.

Caution: Refer to Protective Goggles and Glove Caution in the Preface section.

1. Remove the bank 1 sensor 1 heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 .
2. Raise the vehicle to an appropriate height to reach the heat shield bolts. Refer to Lifting and Jacking the Vehicle .
3. Remove the exhaust manifold heat shield bolts.

Important: It may be necessary to gently pull down on the catalytic converter in order to remove the heat shield.

4. Remove the exhaust manifold heat shield.

Important: It may be necessary to gently pull down on the catalytic converter in order to install the heat shield.

1. Install and position the exhaust manifold heat shield onto the exhaust manifold.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the exhaust manifold heat shield bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

3. Install the bank 1 sensor 1 HO2S. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 .

Exhaust Manifold Heat Shield Replacement - Right Side LZ4

Caution: Refer to Exhaust Service Caution in the Preface section.

Caution: Refer to Protective Goggles and Glove Caution in the Preface section.

1. Remove the bank 1 sensor 1 heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
2. Remove the exhaust manifold heat shield bolts.
3. Remove the exhaust manifold heat shield.

1. Install the exhaust manifold heat shield.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the exhaust manifold heat shield bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

3. Install the bank 1 sensor 1 HO2S. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.