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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Engine Oil

Recommended oil: ILSAC GF-4, which can be identified with the new API certification mark (Star burst mark) or API classification SM with the words "ENERGY CONSERVING"

SAE viscosity 5W-30 preferred

Recommended grade and viscosity for severe driving conditions -
If the vehicle is used in desert areas, in areas with very high temperatures, or used for heavy-duty applications such as towing a trailer, use of oil with the following grade and viscosities is recommended.

API Classification SM (or SL)
SAE Viscosity 30, 40, 10W-50, 20W-40, 20W-50