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. Side Impact Sensor (First) Removal and Installation (4-door)
7521B6 LEFT FRONT 7521B7 RIGHT FRONT NOTE: SRS components are located in this area. Review the SRS component locations and the precautions and procedures before doing repairs or service. 1. Battery Terminal (SRS) - ...