Exhaust Manifold: Service and Repair
Exhaust Manifold Removal and InstallationRemoval
1. Disconnect the negative battery cable.
2. Disconnect the oxygen (O2) sensor connector, if equipped.
3. Remove the exhaust manifold heat shield bolts.
4. Remove the exhaust manifold heat shield.
5. Remove the exhaust flex pipe retaining nuts from the exhaust manifold studs.
6. Remove the exhaust manifold retaining nuts in the sequence shown.
7. Remove the exhaust manifold.
8. Remove the exhaust manifold gasket.
9. Clean the sealing surfaces of the exhaust manifold and the cylinder head.
Installation
1. Install the exhaust manifold gasket.
2. Install the exhaust manifold.
3. Install the exhaust manifold retaining nuts and tighten in the sequence shown.
Tighten: Tighten the exhaust manifold retaining nuts 22 Nm (16 ft. lbs.).
4. Install the exhaust flex pipe retaining nuts to the exhaust manifold studs.
Tighten: Tighten the exhaust flex pipe-to-exhaust manifold retaining nuts to 35 Nm (26 ft. lbs.).
5. Install the exhaust manifold heat shield.
6. Install the exhaust manifold heat shield bolts.
Tighten: Tighten the exhaust manifold heat shield bolts to 8 Nm (71 inch lbs.).
7. Connect the 02 sensor connector, if equipped.
8. Connect the negative battery.