Car engine cooling system Honda Civic 3 and 4

Cooling system specifications
General information Cooling system capacity - see Chapter 1 Pump belt tension - see Chapter 1 Radiator cap valve opening pressure - 0.8-1.05 bar Tightening torques for threaded connections (Nm) Water Pump Pulley Bolts -...

General information about the cooling and air conditioning system
Engine cooling system All vehicles covered in this manual use a closed, pressurized cooling system with thermostatically controlled circulation (see fig. 1.1). The centrifugal type water pump is mounted from the front...

Antifreeze — General Information
Warning: Do not allow antifreeze to come into contact with your skin or painted parts of the car. If antifreeze gets on your skin, immediately wash the area with water. Keep antifreeze in a closed container and out of...

Thermostat — control and replacement
Caution: Be careful when handling antifreeze. Avoid contact with skin: it is toxic. Do not start work until the engine has cooled down completely. Control 1. Before looking at the thermostat as the source of your engine...

Cooling system fan — inspection, removal and installation
Warning: To avoid accidents, do not operate the engine with a damaged fan. Do not attempt to repair the blades - replace the fan. Control 1. Disconnect the plug from the fan motor. Connect the motor directly to the...

Radiator — removal and installation
Warning: Do not allow antifreeze to come into contact with skin or painted surfaces. Immediately rinse with water any areas where antifreeze comes into contact with skin; do not store antifreeze in open containers....

Expansion tank — removal and installation
Warning: Do not allow antifreeze to come into contact with skin or painted surfaces of the vehicle. Rinse with water immediately. Do not store antifreeze in open containers. Antifreeze has a sweet taste. This may...

Water pump — control
1. Damage to the pump can lead to serious engine failures due to overheating. 2. If the pump is damaged, it should be repaired or replaced. Checking the pump operation without removing it from the engine can be done in...

Water pump — replacement
Warning: Do not allow antifreeze to come into contact with your skin or painted surfaces of the vehicle. Rinse with water immediately. Do not store antifreeze in open containers. Toxic. Fire hazard. Cool the engine...

Coolant Temperature Sensor — Checking and Replacing
Caution: Take precautions when handling antifreeze. 1. The temperature measurement system consists of a sensor mounted on the engine and an indicator mounted on the dashboard. On some models, the sensor is installed in...

Heater Fan — Removal and Installation
1. Disconnect the negative cable from the battery. 2. Remove the glove compartment and lower right instrument panel ( see Chapter 11 ). 3. The heater fan is located in the passenger compartment above the right front...

Heater housing — removal and installation
1. Disconnect the negative cable from the battery. 2. Drain the coolant ( see Chapter 1 ). 3. From the engine compartment, disconnect the heater hoses from the control valve. 4. Remove the instrument panel and center...

Heater and air conditioner control unit — removal and installation
Removal 1. Disconnect the negative cable from the battery. 2. Remove the radio ( see Chapter 12 ). 3. Pull out the buttons from the control panel and use a small screwdriver to pry up the panel. Fig. 12.3 Pull out the...

Heating and air conditioning system — control and maintenance
Warning: The air conditioning system is under high pressure. Do not attempt to fill the system yourself. Air conditioning system 1. Fig. 13.1a shows the main components of the air conditioning system. To ensure...

Air Conditioner Receiver-Dryer — Removal and Installation
Warning: This procedure should only be performed by a specialist. The refrigerant is under high pressure, incompetent intervention can lead to accidents and irritation of the respiratory tract. Removal 1. Discharge the...

Air Conditioning Compressor — Removal and Installation
Caution: The air conditioning system is pressurized. Do not disconnect any components of the system until it has been discharged by a specialist. Removal 1. The system must be discharged. 2. Disconnect the negative...

Air Conditioner Condenser — Removal and Installation
Warning: The system must be discharged by a specialist. Unqualified intervention may lead to accidents. Removal 1. Discharge the air conditioning system. 2. Remove the engine cooling system radiator as described in...

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Civic 8 (2005-2011)

Civic 7 (2000-2005)