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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Wiper Gear Box: Service and Repair


1. Raise hood and remove wiper arm assemblies.
2. Remove lower windshield reveal molding and cowl vent screen.
3. Place suitable lever between drive link and motor crankarm, then pry drive link from crankarm.
4. Remove screws securing transmission pivot retainers to body, then withdraw transmission assembly through plenum opening.
5. Reverse procedure to install.