Exhaust Manifold: Service and Repair

Exhaust Manifold Replacement (3.7L)

Removal Procedure

Caution: Refer to Exhaust Service Caution.

Caution: Refer to Protective Goggles and Glove Caution.




1. Remove the exhaust seal.
2. Remove the exhaust manifold heat shield.
3. Remove the exhaust manifold bolts.




4. Remove the exhaust manifold and the gasket from the engine. Discard the gasket.

Installation Procedure




1. Place a NEW exhaust manifold gasket on to the cylinder head.




2. Position the exhaust manifold to the cylinder head.
3. Apply threadlock GM P/N 12345493 (Canadian P/N 10953488) to the exhaust manifold bolt threads.
4. Install the exhaust manifold bolts.





Notice: Refer to Fastener Notice.

5. Tighten the exhaust manifold bolts in sequence.
1. Tighten the exhaust manifold bolts in sequence to 20 N.m (15 lb ft).
2. Tighten the exhaust manifold bolts in sequence to 20 N.m (15 lb ft).
3. Tighten the exhaust manifold bolts in sequence to 20 N.m (15 lb ft).
6. Install the exhaust manifold heat shield.
7. Install the exhaust seal.