Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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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).