Exhaust Manifold Replacement - Right Side RPO LX9

Tools Required

J 41131 Engine Tilt Strap

1. Rotate the engine forward for service access. Refer to Rotating the Engine for Service Access .
2. Remove the manifold absolute pressure (MAP) sensor. Refer to Manifold Absolute Pressure Sensor Replacement .
3. Remove the exhaust gas recirculation (EGR) valve. Refer to Exhaust Gas Recirculation Valve Replacement .
4. Remove the heated oxygen sensor (HO2S) connector position assurance (CPA) retainer.
5. Disconnect the HO2S electrical connector.
6. Remove the HO2S electrical connector clip from the ignition coil bracket.



7. Remove the ignition coil assembly. Refer to Ignition Coil Replacement .
8. Remove the spark plug wires from the right bank spark plugs.
9. Remove the exhaust crossover pipe heat shield bolts.
10. Remove the exhaust crossover pipe heat shield.



11. Remove the exhaust crossover pipe nuts from the right exhaust manifold.
12. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
13. Remove the catalytic converter. Refer to Catalytic Converter Replacement .



14. Remove the exhaust manifold upper and lower heat shield bolts.
15. Remove the exhaust manifold upper and lower heat shields.



16. Remove the exhaust manifold nuts.
17. Remove the exhaust manifold.
18. Remove and discard the exhaust manifold gasket.
19. Lower the vehicle.
20. Clean the exhaust manifold sealing surfaces.
21. If replacing the exhaust manifold, remove the following components:

•	EGR valve pipe--Refer to Exhaust Gas Recirculation Pipe Replacement .

•	HO2S--Refer to Heated Oxygen Sensor 1 Replacement .

1. If the exhaust manifold was replaced, install the following components:

•	EGR valve pipe--Refer to Exhaust Gas Recirculation Pipe Replacement

•	HO2S--Refer to Heated Oxygen Sensor 1 Replacement

2. Raise and support the vehicle.
3. Install a NEW exhaust manifold gasket onto the studs.
4. Install the exhaust manifold.

Notice: Refer to Fastener Notice in the Preface section.

5. Install the exhaust manifold nuts.

Tighten
Tighten the nuts to 16 N·m (12 lb ft).




6. Position the exhaust manifold upper heat shield and install the bolts finger tight.
7. Position the exhaust manifold lower heat shield and install the bolts finger tight.
8. Tighten the exhaust manifold upper and lower heat shield bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).




9. Install the catalytic converter. Refer to Catalytic Converter Replacement .
10. Lower the vehicle.
11. Install the exhaust crossover pipe nuts to the right exhaust manifold.

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




12. Position the exhaust crossover pipe heat shield to the crossover pipe.
13. Install the exhaust crossover pipe heat shield bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

14. Install the spark plug wires to the right bank spark plugs.
15. Install the ignition coil assembly. Refer to Ignition Coil Replacement .



16. Connect the HO2S electrical connector.
17. Install the CPA retainer.
18. Install the HO2S electrical connector clip to the ignition coil bracket.
19. Install the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .
20. Install the MAP sensor. Refer to Manifold Absolute Pressure Sensor Replacement .
21. Release the tension on the J 41131 .
22. Install the engine mount struts. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
23. Remove the J 41131 .
24. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement