Operation CHARM: Car repair manuals for everyone.

Under-floor TWC Removal/Installation




Under-floor TWC Removal/Installation

1. Raise the vehicle on a lift.

2. Remove the secondary HO2S (Sensor 2) A/F Sensor Replacement.

3. Remove the nuts (A) and the bolts (B).





4. Remove the under-floor TWC (C).

5. Remove the cover (D).

6. Install the parts in the reverse order of removal with new gaskets (E).