Warm Up TWC Removal/Installation
Note. If the warm up TWC is damaged internally, inspect the under-floor TWC for debris.
Scheme 692
Scheme 693
- Raise the vehicle on a lift.
- Remove the bolts (A, B).
- Remove the cowl cover and the under-cowl panel (see «COWL COVER REPLACEMENT»(ref-513174-S22314343132012110700000) ).
- Remove the EGR pipe (see «EGR PIPE REMOVAL AND INSTALLATION»(ref-513186-S33806646082012110700000) ).
- Remove the A/F sensor (Sensor 1) (see «A/F SENSOR REPLACEMENT»(ref-513153-S42837029252012110700000) ).
- Remove the cover (A).
- Remove the bolts (B) and the nuts (C).
- Remove the WU-TWC (D).
- Install the parts in the reverse order of removal with new gaskets (E).
Scheme 694
- Raise the vehicle on a lift.
- Remove secondary HO2S (Sensor 2) (see «A/F SENSOR REPLACEMENT»(ref-513153-S42837029252012110700000) ).
- Remove the nuts (A) and the bolts (B).
- Remove the under-floor TWC (C).
- Remove the cover (D).
- Install the parts in the reverse order of removal with new gaskets (E).