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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Wastegate: Service and Repair


911 Turbo
1. Disconnect battery ground cable, then the vent line and control line from wastegate.
2. Unlock, then remove wastegate attaching nuts.
3. Remove wastegate, upper gasket, heat guard and lower gasket.
4. Reverse procedure to install. Use new gaskets, seals, nuts and lockplates.