Exhaust Manifold Replacement (Right)
REMOVAL PROCEDURE1. Disconnect the negative battery cable
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Raise the vehicle. Refer to Vehicle Lifting.
3. Support the catalytic converter.
4. Remove the bolts retaining the exhaust manifold rear pipe to the exhaust manifold and the crossover exhaust pipe.
5. Remove the exhaust manifold rear pipe. Refer to Exhaust Downpipe in Exhaust.
6. Remove the exhaust crossover pipe.
7. Disconnect the electrical connectors from the oxygen sensors.
8. Remove the right exhaust manifold nuts.
9. Remove the right exhaust manifold.
10. Remove the right exhaust manifold gasket. Discard the gasket if damaged.
11. Remove the oxygen sensors. Refer to Powertrain Management.
INSTALLATION PROCEDURE
1. Coat the oxygen sensor with high temperature anti-seize, P/N 5613695, or equivalent.
2. Install the oxygen sensor Refer to Powertrain Management.
^ Tighten the oxygen sensor to 40 Nm (30 ft. lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.
3. Install the right exhaust manifold gasket over the cylinder head studs.
4. Install the right exhaust manifold.
5. Install the right exhaust manifold nuts.
^ Tighten the nuts to 24 Nm (18 ft. lbs.).
6. Connect the electrical connector to the oxygen sensor.
7. Install the exhaust manifold rear pipe (2).
8. Secure the pipe with two bolts. New bolts are recommended for maximum joint integrity.
^ Tighten the bolts to 40 Nm (30 ft. lbs.).
9. Connect the exhaust manifold rear pipe to the catalytic converter (3). New bolts and nuts are recommended for joint integrity.
^ Tighten the bolts to 30 Nm (22 ft. lbs.).
10. Remove the support for the catalytic converter.
11. Lower the vehicle.
12. Connect the negative battery cable.