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

Engine Oil: Testing and Inspection

Inspection
1. Be sure vehicle is on level ground.
2. Warm engine to normal operating temperature and turn engine off.
3. Wait for five minutes.





4. Remove oil level dipstick and check oil level and condition.
5. Add or replace oil as necessary.