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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Radiator Testing

TESTING





1. Wait until engine is cool, then carefully remove the radiator cap. Fill the radiator with engine coolant and install a pressure tester on it.
2. Apply a pressure of 93 - 123 kPa (0.95 - 1.25 kgf/cm2 14 - 18 psi).
3. Inspect for engine coolant leaks and a drop in pressure.
4. Remove the tester and reinstall the radiator cap.

NOTE: Check for engine oil in coolant or coolant in engine oil.