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

Drive Belt: Testing and Inspection





Belt replacement under any or all of the following conditions is required, excessive wear, frayed cords or severe glazing.

Drive Belt Wear Pattern:





Poly-V-Belt system may develop minor cracks across the ribbed side. These minor cracks are considered normal and acceptable. Cracks parallel are not.

NOTE: Do not use any type of belt dressing or restorer on Poly-V-Belts.