Warm Up TWC Removal/Installation

Warm Up TWC Removal/Installation

Special Tools Required

- O2 sensor wrench, Snap-on YA8875, or SWR2, or equivalent, 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.