Exhaust Manifold: Service and Repair
Exhaust Manifold Replacement (LAT or LE5) (2.4L)
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
Caution: Do not bend the exhaust flex decoupler more than 3 degrees in any direction. Movement of more than 3 degrees will damage the exhaust flex decoupler.
2. Remove the catalytic converter to exhaust manifold nuts.
3. Pull down and back on the exhaust pipe in order to separate the catalytic converter from the exhaust manifold.
4. Remove and discard the catalytic converter gasket.
5. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Air Cleaner Outlet Duct Replacement).
6. Remove the outlet duct retaining bracket.
7. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LAT or LE5) (Service and Repair).
8. Remove the HO2S. Refer to Heated Oxygen Sensor Replacement - Sensor 1 (Service and Repair).
9. Remove the exhaust manifold nuts.
10. Remove the exhaust manifold.
11. Remove and discard the exhaust manifold gasket.
12. Clean and inspect all gasket mating surfaces.
Installation Procedure
1. Install a NEW exhaust manifold gasket onto the studs.
2. Install the exhaust manifold to the cylinder head.
Caution: Refer to Fastener Caution (Fastener Caution).
3. Install NEW exhaust manifold nuts and tighten to 14 Nm (10 lb ft).
4. Install a NEW catalytic converter gasket.
5. Install the catalytic converter to the exhaust manifold studs.
6. Install the catalytic converter to exhaust manifold nuts and tighten to 50 Nm (37 lb ft).
7. Lower the vehicle.
8. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LAT or LE5) (Service and Repair).
9. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Air Cleaner Outlet Duct Replacement).