Exhaust Manifold Replacement 2.2L (L61) and 2.4L (LAT)

1. Remove the air cleaner outlet duct. Refer to one of the following:

•	Air Cleaner Outlet Resonator Replacement for the 2.2L engine

•	Air Cleaner Outlet Duct Replacement for the 2.4L engine

2. Remove the exhaust manifold heat shield studs (2).
3. Remove the exhaust manifold heat shield (1).
4. Remove the bank 1 heated oxygen sensor (HO2S). Refer to one of the following:

•	Heated Oxygen Sensor 1 Replacement for the 2.2L engine

•	Heated Oxygen Sensor 2 Replacement for the 2.4L engine

5. Remove the catalytic converter. Refer to Catalytic Converter Replacement .



6. Remove the exhaust manifold nuts.
7. Remove the exhaust manifold.
8. Remove and discard the exhaust manifold gasket.
9. Clean and inspect all gasket mating surfaces.

1. Install a NEW exhaust manifold gasket.
2. Install the exhaust manifold.

Notice: Refer to Fastener Notice in the Preface section.




3. Install the exhaust manifold nuts.

Tighten
Tighten the nuts in the sequence shown to 14 N·m (10 lb ft).

4. Install the catalytic converter. Refer to Catalytic Converter Replacement .
5. Install the bank 1 HO2S. Refer to one of the following:

•	Heated Oxygen Sensor 1 Replacement for the 2.2L engine

•	Heated Oxygen Sensor 2 Replacement for the 2.4L engine




6. Install the exhaust manifold heat shield (1).
7. Install the exhaust manifold heat shield studs (2).

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

8. Install the air cleaner outlet duct. Refer to one of the following:

•	Air Cleaner Outlet Resonator Replacement for the 2.2L engine

•	Air Cleaner Outlet Duct Replacement for the 2.4L engine