Warm Up TWC Removal/Installation

Warm Up TWC Removal/Installation

Special Tools Required

- O2 Sensor Socket Wrench Snap-on SWR2 or O2 Sensor Wrench Snap-on YA8875, commercially available

1. Raise the vehicle on a lift.

2. Remove the secondary HO2S (Sensor 2) Secondary HO2S Replacement.





3. Remove the bolts (A).

4. Remove the WU-TWC bracket (B).

5. Lower the vehicle.

6. Remove the frame brace Frame Brace Replacement.

7. Remove the A/F sensor (Sensor 1) A/F Sensor Replacement.

8. Remove the upper converter cover (A).





9. Remove the WU-TWC (B) and the gaskets (C).

10. Remove the converter cover (A).





11. Install the parts in the reverse order of removal with new gaskets.