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
If it fails: lemon-manuals.org.ua

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Engine Oil: Testing and Inspection

ENGINE OIL INSPECTION
1. Position the vehicle on level ground.
2. Warm up the engine to normal operating temperature
3. Turn the vehicle off and wait for five minutes.
4. Remove the oil dipstick and check the oil level and condition.
5. Add or replace as necessary.