Exhaust Manifold: Service and Repair

Exhaust Manifold Replacement (LAT - 4 Cyl, 2.4L, MFI, Alum, DOHC, BAS (Hybrid))

Removal Procedure





1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LAT) (Exhaust Manifold Heat Shield Replacement).
2. Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor 1 Replacement (Service and Repair).
3. Remove the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement (LAT) (Service and Repair).
4. Lower the vehicle.
5. Remove the upper exhaust manifold brace bolt (1).




6. Remove and discard the exhaust manifold nuts (1).
7. Remove the exhaust manifold/catalytic converter assembly (2).
8. Remove and discard the exhaust manifold gasket.



Installation Procedure





1. Install a NEW exhaust manifold gasket onto the manifold studs.
2. Install the exhaust manifold/catalytic converter assembly (2).
3. Install the NEW exhaust manifold nuts (1) finger tight.





Notice: Refer to Fastener Notice (Fastener Notice).

4. Install the upper exhaust manifold brace bolt (1).

Tighten the bolt to 58 N.m (43 lb ft).





5. Tighten the exhaust manifold nuts in the sequence shown.

Tighten the nuts to 14 N.m (10 lb ft).

6. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (Service Intervals).
7. Install the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement (LAT) (Service and Repair).
8. Install the HO2S. Refer to Heated Oxygen Sensor 1 Replacement (Service and Repair).
9. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LAT) (Exhaust Manifold Heat Shield Replacement).