Exhaust Manifold Replacement - Right
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the 3-way catalytic converter.
3. Disconnect the connector position assurance (CPA) retainer.
4. Disconnect the oxygen sensor electrical connector (3) from the harness.
5. Remove the oxygen sensor connector rosebud from the engine lift bracket.
6. Remove the oxygen sensor from the exhaust manifold.
7. Disconnect the numbers 4 and 6 spark plug wires from the spark plugs.
8. Remove the number 6 spark plug from the cylinder head.
9. Remove the two rear exhaust manifold studs and nut from the exhaust manifold.
10. Lower the vehicle.
11. Disconnect the number 2 spark plug wire from the spark plug.
12. Remove the numbers 2 and 4 spark plugs from the cylinder head.
13. Remove the exhaust manifold heat shield nuts.
14. Remove the exhaust manifold heat shields from the exhaust manifold.
15. Remove the two front exhaust manifold studs and nut from the exhaust manifold.
16. Remove the right exhaust manifold and gasket from the cylinder head.
17. Remove the heat shield studs from the exhaust manifold, if necessary.
Installation Procedure
1. Install the heat shield stud to the exhaust manifold, if necessary.
2. Install the right exhaust manifold gasket and manifold to the cylinder head studs.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the two front exhaust manifold studs and nuts to the exhaust manifold.
^ Tighten the two front exhaust manifold studs to 15 Nm (11 ft. lbs.).
^ Tighten the exhaust manifold nuts to 18 Nm (13 ft. lbs.).
4. Install the exhaust manifold heat shields to the exhaust manifold.
5. Install the exhaust manifold heat shield nut.
^ Tighten the exhaust manifold heat shield nuts to 10 Nm (89 inch lbs.).
6. Install the numbers 2 and 4 spark plugs to the cylinder head.
^ Tighten the numbers 2 and 4 spark plugs to 27 Nm (20 ft. lbs.).
7. Connect the number 2 spark plug wire to the spark plug.
8. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
9. Install the two rear exhaust manifold studs and nut to the exhaust manifold.
^ Tighten the two rear exhaust manifold studs to 15 Nm (11 ft. lbs.).
^ Tighten the exhaust manifold nut to 18 Nm (13 ft. lbs.).
10. Install the number 6 spark plug to the cylinder head.
^ Tighten the number 6 spark plug to 27 Nm (20 ft. lbs.).
11. Connect the numbers 4 and 6 spark plug wires to the spark plugs.
12. Install the oxygen sensor to the exhaust manifold.
^ Tighten the exhaust manifold to 42 Nm (31 ft. lbs.).
13. Connect the oxygen sensor electrical connector rosebud to the engine lift bracket.
14. Connect the oxygen sensor electrical connector (3) to the wiring harness.
15. Connect the CPA retainer.
16. Install the 3-way catalytic converter.
17. Lower the vehicle.