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

Oil Pressures:
Oil pump relief valve opens at 3.6-5.2 bar (52.2-75.4 psi)
Warning light comes on at 0.3-0.5 bar (4.4-7.2 psi)
Oil pressure at 2,00O rpm,
engine temp. of 80°C (170°F)
and 10W-30 oil 2.7 bar (38.9 psi) minimum

Engine Oil Cooler Thermostat:
Opens at 90 °C (194 °F)