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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Component Tests and General Diagnostics

Leakage
1. Connect a coolant system pressure tester to the radiator filler neck.
2. Apply 15 psi (103 kPa) pressure to the system.
3. Verify that the pressure remains steady at 15 psi (103 kPa).
4. If not, check system for coolant leakage.