Diesel Data: Automotive Repair

Under-Floor TWC Removal/Installation




Under-Floor TWC Removal/Installation

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

2. Remove the bolts (A).





3. Remove the nuts (B), then remove the under-floor TWC (C).

4. Install the parts in the reverse order of removal with new gaskets (D) and new self-locking nuts.