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. 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.