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



Removal, Reinstallation of Catalytic Converter:





Cover (2b)
Remove, reinstall. Observe installation position.

Oxygen sensor (G3/2)
Remove, reinstall.

NOTE: Before installing the oxygen sensor, coat the thread with the hot lubricating paste part no. 000 989 88 51.

Screws (1) of flange connection on exhaust Manifolds
Unscrew, screw on.

Lateral support (10) on transmission
Remove, reinstall.

Rubber rings (18 and 18a) for exhaust system
Disconnect, reconnect.

Exhaust system
Completely remove, reinstall. Service and Repair

Flange connections (arrows)
Loosen and remove catalytic converter.

NOTE: If vehicles with the engines 117.965/968 are converted from RUF to KAT version, the exhaust system must be replaced with a two-flute version.