EGR Tube: Service and Repair

REMOVAL
1. Disconnect the battery ground cable.
2. Disconnect the rear downstream Heated Oxygen Sensor (HO2S) electrical connector.
3. Raise and support the vehicle.

Crossmember:

4. Remove the six crossmember bolts and remove the crossmember.
5. Remove the three RH wheel splash guard bolts.

Oxygen Sensor Connectors:

6. Disconnect the front downstream HO2S electrical connector.
7. Position a jack to support the three way catalytic converter.

Exhaust Inlet Pipe:

8. Remove the three front exhaust manifold-to-exhaust inlet pipe nuts.

Catalytic Convertor:

9. Remove the two exhaust inlet pipe to three way catalytic converter nuts.
10. Remove the three rear exhaust manifold to exhaust inlet pipe nuts.
11. Remove the exhaust inlet pipes.
12. Disconnect the EGR valve to exhaust manifold tube fitting from the EGR valve.
13. Disconnect the EGR valve to exhaust manifold tube fitting from the rear exhaust manifold.
14. Remove the EGR valve to exhaust manifold tube.

INSTALLATION
1. Position the EGR valve to exhaust manifold tube on the EGR valve and the rear exhaust manifold.
2. Connect the EGR valve to exhaust manifold tube fittings to the EGR valve and the rear exhaust manifold. Tighten the fittings to 57-74 Nm (44-54 lb ft).
3. Position the exhaust inlet pipes.
4. Install the rear and front exhaust manifold to exhaust inlet pipe nuts. Tighten to 37-52 Nm (27-38 lb ft).
5. Install the three way catalytic exhaust inlet pipe nuts. Tighten to 64-89 Nm (47-66 lb ft).
6. Remove the jack supporting the three way catalytic converter.
7. Connect the front downstream HO2S electrical connector.
8. Install the three RH wheel splash guard bolts.
9. Install the crossmember. Tighten bolts to 94-126 N.m (69-93 lb ft).
10. Lower the vehicle.
11. Connect the rear downstream HO2S electrical connector.
12. Install the battery ground cable.