Exhaust Manifold Replacement - Left Side

Exhaust Manifold Replacement - Left Side (LNJ) (3.4L)

Removal Procedure

1. Remove the 3 nuts attaching the exhaust crossover pipe to the left exhaust manifold. Refer to Exhaust Crossover Pipe Replacement (LNJ) (Service and Repair) .
2. Remove the exhaust gas recirculation (EGR) pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .




3. Remove the exhaust manifold heat shield bolts (2).
4. Remove the exhaust manifold heat shield (1).




5. Remove the exhaust manifold nuts (3).
6. Remove the exhaust manifold (2).
7. Remove the exhaust manifold gasket (1).




8. If necessary, remove the exhaust manifold studs.
9. Clean the exhaust manifold and the cylinder head exhaust manifold sealing surfaces.



Installation Procedure






Notice: Refer to Fastener Notice .

1. If previously removed, install the exhaust manifold studs.

Tighten the studs to 18 N.m (13 lb ft).





2. Install the exhaust manifold gasket (1).
3. Install the exhaust manifold (2).
4. Install the exhaust manifold nuts (3).

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





5. Install the exhaust manifold heat shield (1).
6. Install the exhaust manifold heat shield bolts (2).

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

7. Install the EGR pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .
8. Install the 3 nuts attaching the exhaust crossover pipe to the left exhaust manifold. Refer to Exhaust Crossover Pipe Replacement (LNJ) (Service and Repair) .