Exhaust Manifold: Service and Repair
Exhaust Manifold Replacement (LCV)
Removal Procedure
Warning: Refer to Exhaust Service Warning Service Precautions.
Warning: Refer to Eye Protection Warning Eye Protection Warning.
1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUK) Exhaust Manifold Heat Shield ReplacementExhaust Manifold Heat Shield Replacement (LCV) Exhaust Manifold Heat Shield ReplacementExhaust Manifold Heat Shield Replacement (LTG) Exhaust Manifold Heat Shield Replacement.
2. If replacing the exhaust manifold, remove the heated oxygen sensor - sensor 1. Refer to Heated Oxygen Sensor Replacement - Sensor 1 (LCV) Heated Oxygen Sensor Replacement - Sensor 1Heated Oxygen Sensor Replacement - Sensor 1 (LTG) Heated Oxygen Sensor Replacement - Sensor 1.
3. Remove the catalytic converter from the exhaust manifold. Refer to Catalytic Converter Replacement (LUK) Service and RepairCatalytic Converter Replacement (LCV) Service and RepairCatalytic Converter Replacement (LTG) Service and Repair.
4. Remove and discard the exhaust manifold fasteners (1).
5. Remove the exhaust manifold (3) and discard the exhaust manifold gasket (2).
Installation Procedure
1. Clean all mating surfaces.
2. Install the exhaust manifold (3) to the cylinder head with a NEW gasket (2).
3. Install NEW exhaust manifold fasteners (1) and hand tighten.
Note: Fasteners have adhesive patch and must be tightened to final torque within 5 minutes.
Caution: Refer to Fastener Caution Fastener Caution.
4. Tighten the exhaust manifold fasteners in 3 passes in the sequence shown to 20 Nm (15 lb ft).
5. Install the catalytic converter to the exhaust manifold. Refer to Catalytic Converter Replacement (LUK) Service and RepairCatalytic Converter Replacement (LCV) Service and RepairCatalytic Converter Replacement (LTG) Service and Repair.
6. Install the heated oxygen sensor - sensor 1. Refer to Heated Oxygen Sensor Replacement - Sensor 1 (LCV) Heated Oxygen Sensor Replacement - Sensor 1Heated Oxygen Sensor Replacement - Sensor 1 (LTG) Heated Oxygen Sensor Replacement - Sensor 1.
7. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUK) Exhaust Manifold Heat Shield ReplacementExhaust Manifold Heat Shield Replacement (LCV) Exhaust Manifold Heat Shield ReplacementExhaust Manifold Heat Shield Replacement (LTG) Exhaust Manifold Heat Shield Replacement.