Withdrawal
1. Raise the vehicle and slide the safety struts under the frame.
2. If installed, unscrew the engine protection mounting bolts, remove the protection.
Tightening torque 28 Nm.
3. Remove the holder (2) right front wire harness connector.
4. Disconnect the right front oxygen sensor connector from the connector (1) engine wire harness.
5. Remove the holder (5) connector (4) right rear wiring harness.
6. Disconnect the connector (3) right rear oxygen sensor.
7. Detach the clip (6) right rear oxygen sensor wires from the engine wire harness.
8. Remove the holder (1) left rear wiring harness connector.
9. Disconnect connector (3) left rear oxygen sensor.
10. On vehicles with automatic transmission 4L60-E and 4L70-E, perform the operations p.p. 11-13, on vehicles with automatic transmission 6L80-E, go to checkpoint. 14.
11. Remove the left front wire harness connector retainer.
12. Disconnect the connector (2) left front oxygen sensor.
13. Detach the clip (1) left front oxygen sensor wires from the fuel pipe support clip.
14. Remove the connector lock (2) left front wire harness.
15. Remove clip (1) engine wire harness with fuel tube support clips.
16. Disconnect the connector (3) left front oxygen sensor.
17. Place a temporary support under the converter assembly (jack).
18. Remove the oxygen sensor.
19. Loosen the nuts (1) attaching the catalytic converter to the exhaust manifold. Tightening torque 50 Nm.
20. Separate the catalytic converter assembly from the exhaust manifolds.
21. Lower the catalytic converter assembly.
22. Remove the insulator (2) or (3).
Installation
23. Installation is carried out in the reverse order.