Exhaust Manifold Replacement - Left Side

Exhaust Manifold Replacement - Left Side (LS2)

Removal Procedure

1. Remove the engine sight shield.
2. Remove the left bank coil assembly.
3. Remove the left bank spark plugs.
4. Raise and suitably support the vehicle. Refer to Vehicle Lifting.




5. Remove the left catalytic converter and seal (1).




6. Disconnect the center steering shaft from the lower steering shaft. Separate the shafts and position aside to provide a removal envelope for the manifold.
7. Lower the vehicle.
8. Remove the exhaust manifold bolts.
9. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
10. Remove the exhaust manifold, bolts, and gasket. Discard the gasket.
11. Remove the heat shield from the manifold, if required.
12. Clean and inspect the exhaust manifold.

Installation Procedure

Important: Tighten the exhaust manifold bolts as specified in the service procedure. Improperly installed and/or leaking exhaust manifold gaskets may effect vehicle emissions and/or On-Board Diagnostics (OBD) II system performance.

The cylinder head exhaust manifold bolt hole threads must be cleaned and free of debris or threadlocking material.





Notice: Refer to Fastener Notice.

1. If necessary, install the exhaust manifold heat shield and bolts.

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

2. Position the exhaust manifold and a NEW gasket into place.
3. Lower the vehicle.
4. Install the exhaust manifold bolts.
5. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
6. Connect the center steering shaft to the lower steering shaft.




7. Install the left catalytic converter and seal (1).
8. Lower the vehicle.
9. Install the left bank spark plugs.
10. Install the left bank coil assembly.
11. Install the engine sight shield.