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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Catalytic Converter: Service and Repair

Exhaust System (non-turbo):





Removal
- Allow exhaust system to cool.
- If convertor hardware is rusted, soak with penetrating oil.
- Remove convertor nuts.
- Remove convertor.


Installation
- Use new front packing and rear gasket.
- If convertor studs are damaged, drill out and replace with grade 8 bolts and nuts.
- Install convertor, tighten nuts to 14 ft lbs.