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



Oil level, checking
Test requirements:
^ Minimum engine oil temperature: 60°C
^ Vehicle on level ground.
^ After stopping engine, wait a few minutes to allow oil to flow back into oil pan.
^ Pull out oil dipstick, wipe off with a clean cloth and re-insert dipstick again up to stop.
^ Withdraw dipstick again and read oil level.





^ Range of markings on dipstick:
a - Oil must not be topped off.
b - Oil may be topped off. After topping off, oil may reach range.
c - Oil must be topped off. After topping off, it is sufficient if oil level is somewhere in range -b- (shaded area).

Note: Oil level must not exceed mark -a- on oil dipstick.