For 1990-2009 cars

### Removal Procedure

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 fuel injector sight shield, if necessary. Refer to Fuel Injector Sight Shield Replacement .
2. Disconnect the engine wiring harness electrical connector (3) from the heated oxygen sensor (HO2S) electrical connector (2).
3. Remove the HO2S electrical connector retainer from the camshaft cover.
4. Remove the exhaust manifold heat shield bolts.
5. Remove the exhaust manifold heat shield, sliding the shield up over the HO2S pigtail.

### Installation Procedure

1. Install the exhaust manifold heat shield, sliding the shield down over the HO2S pigtail.

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. Connect the engine wiring harness electrical connector (3) to the HO2S electrical connector (2).
4. Install the HO2S electrical connector retainer to the camshaft cover.
5. Install the fuel injector sight shield, if necessary. Refer to Fuel Injector Sight Shield Replacement .