Exhaust Manifold Replacement - Left Side

Exhaust Manifold Replacement - Left Side (LZ9 or LGD) (3.9L)

Removal Procedure

1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Service and Repair).




2. Remove the exhaust crossover pipe heat shield bolts.
3. Remove the exhaust crossover pipe heat shield.




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




6. Remove the exhaust crossover pipe to left exhaust manifold nuts.




7. Remove the exhaust manifold bolts.
8. Remove the exhaust manifold bolts.
9. Remove the exhaust manifold.
10. Remove and discard the exhaust manifold gasket.

Installation Procedure




1. Install a NEW exhaust manifold gasket onto the cylinder head studs.
2. Install the exhaust manifold.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the exhaust manifold bolts and tighten to 20 Nm (15 lb ft).




4. Install the exhaust crossover pipe to left exhaust manifold nuts and tighten to 20 Nm (15 lb ft).




5. Install the exhaust manifold heat shield.
6. Install the exhaust manifold heat shield bolts and tighten to 10 Nm (89 lb in).
7. Install the engine front mount bracket. Refer to Engine Front Mount Bracket Replacement (Service and Repair).




8. Install the exhaust crossover pipe heat shield.
9. Install the exhaust crossover pipe heat shield bolts and tighten to 10 Nm (89 lb in).
10. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Service and Repair).