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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Catalytic Converter: Service and Repair

Catalytic Converter Removal/Installation

1. Remove the secondary HO2S.
2. Remove the TWC (A).






3. Remove the converter covers (B).
4. Install the parts in the reverse order of removal with new gaskets (C), new self-locking nuts (D), and new bolts (E).