Radiator Cap Test - Honda Civic 2002-2003 Service Manual

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Radiator Cap Test
1. Remove the radiator cap (A), wet its seal with
engine coolant, then install it on the pressure tester
(8) (commercially available).
B
2. Apply a pressure of 93-123 kPa (0.95-1.25
kgf/cm', 14-18 psi).
3. Check for a drop in pressure.
4. If the pressure drops, replace the cap.
Radiator Test
1. Wait until the engine is cool, then carefully remove
the radiator cap and fill the radiator with engine
coolant to the top of the filler neck.
2. Attach the pressure tester (A) (commercially
available) to the radiator.
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3. Applya pressure of 93-123 kPa (0.95-1.25
kgf/cm', 14-18 psi).
4. Inspect for engine coolant leaks and a drop in
pressure.
5. Remove the tester, and reinstall the radiator cap.
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