Car engine cooling system Honda Civic 3 and 4

Cooling system specifications
Total information Cooling capacity - see chapter 1 Pump belt tension see chapter 1 Radiator plug valve opening pressure - 0.8-1.05 bar Tightening torques for threaded connections (N·m) Water pump pulley bolts - 12...

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 on the front of...

Antifreeze — general information
Attention: do not allow antifreeze to come into contact with your skin and painted parts of the car. If antifreeze comes into contact with skin, immediately flush the area with water. Store antifreeze in a closed...

Thermostat — control and replacement
Caution: Be careful when handling antifreeze. Do not allow antifreeze to come into contact with the skin: it is toxic. Do not start work until the engine has completely cooled down. Control 1. Before you tackle the...

Cooling fan — control, removal and installation
Attention: To avoid accidents, do not operate the motor 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 engine directly to the...

Radiator — removal and installation
Caution: Do not allow antifreeze to come into contact with skin or painted surfaces. Rinse immediately with water where antifreeze comes in contact with skin, do not store antifreeze in an open container. Antifreeze has...

Expansion tank — removal and installation
Attention: do not allow antifreeze to come into contact with the skin and painted surfaces of the car. Rinse immediately with water. Do not store antifreeze in an open container. Antifreeze has a sweet taste. It can...

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. There are three ways to control the operation of the pump without removing it...

Water pump — replacement
Caution: Do not allow antifreeze to come into contact with your skin or painted vehicle surfaces. Rinse immediately with water. Do not store antifreeze in an open container. Toxic. Fire hazardous. Cool the engine before...

Coolant temperature sensor — control and replacement
Caution: Take precautions when handling antifreeze. 1. The temperature measurement system consists of a sensor mounted on the engine and a pointer mounted on the dashboard. On some models, the sensor is installed in the...

Heater fan — removal and installation
1. Disconnect the negative cable from the battery. 2. Remove the glove box and lower right instrument panel ( see chapter 11 ). 3. The heater fan is located in the passenger compartment above the right front wall of the...

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

Stove and air conditioning control unit — removal and installation
Withdrawal 1. Disconnect the negative cable from the battery. 2. Remove the radio ( see chapter 12 ). 3. Pull out the buttons from the control panel with a small screwdriver pry the panel. Pic. 12.3 Pull out the buttons...

Heating and air conditioning system — control and maintenance
Attention: the air conditioning system is under high pressure. Do not attempt to fill the system yourself. Air conditioning system 1. In fig. 13.1a shows the main components of the air conditioning system. For efficient...

Air conditioner dryer receiver — removal and installation
Caution: This procedure should only be performed by a specialist. High pressure refrigerant, incompetent intervention can lead to accidents and respiratory irritation. Withdrawal 1. Discharge the air conditioning...

Air conditioning compressor — removal and installation
Attention: air conditioning system under pressure. Do not disconnect the elements of the system until it has been discharged by a specialist. Withdrawal 1. The system must be discharged. 2. Disconnect the negative cable...

Air conditioner condenser — removal and installation
Attention: the system must be discharged by a specialist. Unqualified intervention can lead to accidents. Withdrawal 1. Discharge the air conditioning system. 2. Remove the radiator of the engine cooling system as...