Exhaust Manifold Replacement - Left Side 3.8L

1. Turn the ignition OFF.
2. Remove the left and the right torque strut bolts at the engine strut bracket.



3. Remove the exhaust crossover pipe to left bank exhaust manifold nuts (5).
4. Remove the oil lever indicator and tube. Refer to Oil Level Indicator and Tube Replacement .



5. Remove the exhaust manifold heat shield bolts.
6. Remove the exhaust manifold heat shield.



7. Remove the exhaust manifold bolts.
8. Remove the exhaust manifold.
9. Remove and discard the exhaust manifold gasket.
10. Clean and inspect the exhaust manifold and the sealing surfaces. Refer to Exhaust Manifold Cleaning and Inspection - Left Side .

1. Install the NEW exhaust manifold gasket.
2. Install the exhaust manifold.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the exhaust manifold bolts.

Tighten
Tighten the bolts to 20 N·m (15 lb ft).




4. Install the exhaust manifold heat shield.
5. Install the exhaust manifold heat shield bolts.

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

6. Install the oil lever indicator and tube. Refer to Oil Level Indicator and Tube Replacement .



7. Install the exhaust crossover pipe to left bank exhaust manifold nuts (5). Refer to Exhaust Crossover Pipe Replacement .
8. Install the left and the right torque strut at the engine. Secure with the strut bolts.

Tighten
Tighten the bolts to 48 N·m (35 lb ft).

Exhaust Manifold Replacement - Left Side RPOs L26/L32

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
3. Remove the engine mount struts. Refer to Engine Mount Strut Replacement - Right Side and Engine Mount Strut Replacement - Left Side in Engine Mechanical - 3.8L.
4. Remove the lower right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right Side in Engine Mechanical - 3.8L.



5. Remove the exhaust crossover pipe bolts from the left exhaust manifold.
6. Remove the left spark plugs from cylinders 1,3 and 5. Refer to Spark Plug Replacement in Engine Controls - 3.8L.
7. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement in Engine Mechanical - 3.8L.



8. Remove the left engine lift bracket bolt and the nut.
9. Remove the left engine lift bracket



10. Remove the exhaust manifold heat shield nuts.
11. Remove the exhaust manifold heat shield.



12. Remove the exhaust manifold bolts and the nuts.
13. Remove the exhaust manifold.
14. Remove the exhaust manifold gasket.
15. Clean and inspect the left exhaust manifold. Refer to Exhaust Manifold Cleaning and Inspection in Engine Mechanical - 3.8L.

1. Install the new exhaust manifold gasket.
2. Install the exhaust manifold.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the exhaust manifold bolts and the nuts.

Tighten
Tighten the bolts and the nuts to 30 N·m (22 lb ft).




4. Install the exhaust manifold heat shield.
5. Install the exhaust manifold heat shield nuts.

Tighten
Tighten the nuts to 20 N·m (15 lb ft).




6. Install the engine lift bracket.
7. Install the engine lift bracket bolt and the nut.

Tighten
Tighten the bolt and the nut to 30 N·m (22 lb ft).

8. Install the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement in Engine Mechanical - 3.8L.
9. Install the left spark plugs to cylinders 1, 3 and 5. Refer to Spark Plug Replacement in Engine Controls - 3.8L.



10. Install the exhaust crossover bolts to the left exhaust manifold.

Tighten
Tighten the bolts to 20 N·m (15 lb ft).

11. Install the lower right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right Side in Engine Mechanical - 3.8L.
12. Install the engine mount struts. Refer to Engine Mount Strut Replacement - Right Side and Engine Mount Strut Replacement - Left Side in Engine Mechanical - 3.8L.
13. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
14. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.