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. Spare Tire Guard Pipe Removal and Installation (Natural Gas models)
Removal 1. Rear Seat Cushion 1. Remove the bolt (A) securing the rear seat cushion (B). 2. While pushing down t ...