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)

Or, hide this message: temporarily or permanently

Wiper Blade: Testing and Inspection




Wiper Blade Element Check





1. Remove the blade from the wiper arm. Refer to Windshield Wiper Blade Replacement Windshield Wiper Blade Replacement.

2. Look down the length of the wiper blade core element.

3. If the blade core element contacting the glass is not ±15 degree within the wiper central line, then replace the blade core element. Install the wiper blades on the wiper arms.