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)

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Threads





Threads

If damaged threads are repaired, inserts with galvanized coating must be used.

Steel shavings from drilling must be removed completely.

Only replace threaded pins with genuine Audi parts.

Damaged threads can be repaired with thread inserts with galvanized coating.

Contact corrosion is prevented only by using this coating.

Some threads are already supplied with thread inserts at the factory.