Honda Civic Service Manual: Engine Cooling

Engine

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Coolant Replacement (R18A9)

1. Radiator Cap 1. Wait until the engine is cool, then carefully remove the radiator cap. ...

See also:

Honda Civic Service Manual. Alternator Removal and Installation (Except K24Z7)
118100 1. Battery Terminal - Disconnection 1. Make sure the ignition switch is in LOCK (0), or the vehicle ignition in the OFF mode. 2. Discon ...