Exhaust Manifold: Service and Repair

Exhaust Manifold Replacement

Removal Procedure




1. Remove the exhaust manifold heat shield.
2. Remove the pre catalyst heated oxygen sensor (HO2S).
3. Remove the catalytic converter.
4. Remove and discard the exhaust manifold nuts.
5. Remove the exhaust manifold.
6. Remove and discard the exhaust manifold gasket.
7. Clean the sealing surface of the engine block.

Installation Procedure




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





Notice: Refer to Fastener Notice in Service Precautions.

Important: Install the new exhaust nuts.

3. Install NEW exhaust manifold nuts.

Tighten the nuts in the sequence shown to 14 N.m (10 lb ft).

4. Install the catalytic converter.
5. Install the pre catalyst HO2S.
6. Install the exhaust manifold heat shield.