Exhaust Manifold Replacement Engine Left Side

1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the throttle body air inlet duct. Refer to Air Cleaner Element Replacement in Engine Controls - 3.4L.
3. Drain the engine coolant from the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
4. Remove the right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement .
5. Disconnect the inlet radiator hose from the engine. Refer to Radiator Inlet Hose Replacement in Engine Cooling.
6. Remove the thermostat bypass pipe. Refer to Thermostat Bypass Pipes Replacement in Engine Cooling.
7. Remove the exhaust crossover pipe heat shield. Refer to Exhaust Crossover Removal .
8. Remove the exhaust crossover pipe bolts from the engine left side exhaust manifold. Refer to Exhaust Crossover Removal .
9. Remove the engine left side exhaust manifold heat shield.
10. Remove the engine left side exhaust manifold heat shield and the exhaust manifold. Refer to Exhaust Manifold Removal .
11. Remove the engine left side exhaust manifold gasket.
12. Clean the engine left side exhaust manifold to the engine left side cylinder head sealing surfaces. Refer to Exhaust Manifold Clean and Inspect .

1. Install the engine left side exhaust manifold gasket.
2. Install the engine left side exhaust manifold and the exhaust manifold heat shield. Refer to Exhaust Manifold Installation .
3. Install the exhaust crossover pipe bolts to the engine left side exhaust manifold. Refer to Exhaust Crossover Installation .
4. Install the exhaust crossover pipe heat shield. Refer to Exhaust Crossover Installation .
5. Install the thermostat bypass pipe. Refer to Thermostat Bypass Pipes Replacement in Engine Cooling.
6. Connect the inlet radiator hose to the engine. Refer to Radiator Inlet Hose Replacement in Engine Cooling.
7. Install the right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement .
8. Fill the cooling system with engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
9. Install the throttle body air inlet duct. Refer to Air Cleaner Element Replacement in Engine Controls - 3.4L.
10. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

Exhaust Manifold Replacement Engine Right Side

1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the windshield wiper motor cover. Refer to Wiper Module Cover Replacement in Wipers Washer System.
3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
4. Remove the throttle body air inlet duct. Refer to Air Cleaner Element Replacement in Engine Controls - 3.4L.
5. Remove the accelerator cable bracket from the throttle body. Refer to Accelerator Control Cable Replacement in Engine Controls - 3.4L.
6. Remove the Manifold Air Pressure (MAP) sensor. Refer to Manifold Absolute Pressure Sensor Replacement in Engine Controls - 3.4L.
7. Remove the Exhaust Gas Recirculation (EGR) valve. Refer to Exhaust Gas Recirculation Valve Replacement in Engine Controls - 3.4L.
8. Rotate the engine for service access. Refer to Rotating the Engine for Service Access .
9. Remove the ignition module and the ignition coils with the bracket.
10. Remove the spark plug wires from the engine right bank spark plugs.
11. Disconnect the oxygen sensor electrical connector.
12. Remove the EVAP solenoid bracket.
13. Remove the exhaust crossover pipe nuts/studs from the engine right bank exhaust manifold. Refer to Exhaust Crossover Removal .
14. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
15. Remove the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
16. Remove the engine right side exhaust manifold heat shields and the right side exhaust manifold nuts. Refer to Exhaust Manifold Removal (Right Side) .
17. Lower the vehicle.
18. Remove the engine right side exhaust manifold and the exhaust manifold gasket.
19. Clean the engine right side exhaust manifold sealing surfaces and the cylinder head sealing surfaces. Refer to Exhaust Manifold Clean and Inspect .
20. If you are REPLACING the engine right side exhaust manifold, remove the Exhaust Gas Recirculation (EGR) valve pipe.
21. If you are REPLACING the engine right side exhaust manifold, remove the Heated Oxygen Sensor (HO2S). Refer to Heated Oxygen Sensor Replacement in Engine Controls - 3.4L.

1. If removed, install the Heated Oxygen Sensor (HO2S). Refer to Heated Oxygen Sensor Replacement in Engine Controls - 3.4L.
2. If removed, install the Exhaust Gas Recirculation (EGR) valve pipe.
3. Install the engine right side exhaust manifold gasket.
4. Install the engine right side exhaust manifold.
5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
6. Install the engine right side exhaust manifold nuts and the heat shields. Exhaust Manifold Installation (Right Side) .
7. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
8. Lower the vehicle.
9. Install the exhaust crossover pipe nuts/studs to the engine right side exhaust manifold. Refer to Exhaust Crossover Installation .
10. Install the exhaust crossover pipe heat shield. Refer to Exhaust Crossover Installation .
11. Lower the vehicle.
12. Connect the Heated Oxygen Sensor (HO2S) electrical connector.
13. Install the EVAP solenoid bracket.
14. Install the spark plug wires to the engine right bank spark plugs.
15. Install the ignition module and the ignition coils with the bracket.
16. Rotate the engine back to the original position. Refer to Rotating the Engine for Service Access .
17. Install the Exhaust Gas Recirculation (EGR) valve to the intake manifold. Refer to Exhaust Gas Recirculation Valve Replacement in Engine Controls - 3.4L.
18. Install the Manifold Air Pressure (MAP) sensor. Refer to Manifold Absolute Pressure Sensor Replacement Engine Controls - 3.4L.
19. Install the accelerator cable bracket to the throttle body. Refer to Accelerator Control Cable Replacement in Engine Controls - 3.4L.
20. Install the throttle body air inlet duct. Refer to Air Cleaner Element Replacement in Engine Controls - 3.4L.
21. Install the windshield wiper motor cover. Refer to Wiper Module Cover Replacement in Wipers Washer System.
22. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
23. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.