Repair and operation of the car
+ Cars of the Honda Accord brand
+ Settings and routine maintenance
- Cooling systems, heating
Antifreeze - general information
Check of serviceability of functioning and replacement of the thermostat
Check of a condition of fans of the cooling system and chains of their inclusion, replacement of fans
Removal and installation of a radiator and broad tank of the cooling system
Check of a condition of the water pump
Replacement of the water pump
Check of serviceability of functioning and replacement of the block of the sensor of the measuring instrument of temperature of cooling liquid
Check of serviceability of functioning of a driving electric motor of the fan of a heater and condition of components of its electric chain, replacement of components
Removal and installation of an electric motor of the drive of the fan of a heater
Removal and installation of assembly of the control panel of functioning of a heater and conditioner of air, adjustment of a driving cable
Removal and installation of the heat exchanger of a heater
Check of serviceability of functioning and service of systems of heating and air conditioning
Check of an electric chain of a clutch coupling of the K/V compressor
Removal and installation of a receiver dehumidifier To/in
Removal and installation of the K/V compressor
Removal and installation of the K/V condenser
Removal and installation of the K/V evaporator with the broad valve
+ Power supply system and release
+ Engine electric equipment
+ Engine management
+ Gear shifting box
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Onboard electric equipment
+ Schemes of electric equipment
Cooling systems, heating
Arrangement of components of cooling systems, heating and air conditioning in a motive compartment of the car (the V6 engine is shown, for 4-cylinder models the scheme of an arrangement of components is similar)
Engine cooling systemAll models of the cars considered in the present manual are equipped with the engine cooling system working with an excessive pressure with thermostatic management of circulation of working liquid. The water pump of rotor type is fixed on the block of the engine and provides pumping of cooling liquid through a cooling path of the last. The stream of liquid washes regions of an arrangement of each of cylinders in the block and goes to a back part of the engine. The cooling channels laid in casting of the block and a head of cylinders provide intensive cooling of inlet and final ports, areas of installation of spark plugs and the directing plugs of final valves.
The Voskozapolnenny thermostat controls the working temperature of the engine in the course of its warming up. The first minutes after start of the cold engine the thermostat remains closed, preventing thereby circulation of cooling liquid through a radiator. When temperature of the engine reaches normal working value, the valve of the thermostat opens, connecting the radiator providing the maximum intensity of the heat sink from a working body (cooling liquid) to a cooling contour.
The cooling system has a tight design and is densely closed by the cover of a radiator capable to maintain a certain excessive pressure that provides increase in a boiling point of cooling liquid and, respectively, efficiency of the heat sink through a radiator. At excess by internal pressure in system of some certain value, the sprung plate of the radiator of the safety valve which is built in in a cover rises over the saddle, providing an overflowing of excess of cooling liquid on a connecting (overflow) tube in a broad tank. In process of cooling of system liquid automatically comes back from a tank to a radiator.
Dolivaniye of cooling liquid in system is made through a mouth of a broad tank which at the same time acts also as the receiver accumulating in itself the excess of liquid which is forced out from a radiator.
In view of the listed features of a design, such cooling system received the name closed as in it any functional losses of cooling liquid are excluded.
System of heatingThe main components of system of heating of salon are the electric fan and the heat exchanger located in a box-shaped casing of a heater. The heat exchanger by means of rubber hoses is connected to the engine cooling system. The control unit of functioning of the heater/conditioner of air is built in in the car dashboard. The cooling liquid warmed in the engine circulates via the heater heat exchanger, giving the to the air which is warmly filling a casing. At inclusion of heating of salon there is an opening of the lamellar gate therefore the internal volume of a casing of a heater connects to the volume of salon. At turning on of the fan the krylchatka of the last begins to banish the air given to salon via the heat exchanger, providing its intensive warming up.
Air conditioning systemThe condenser installed ahead of a radiator, the evaporator, close to the heater heat exchanger, fixed on the engine block the compressor and a receiver dehumidifier equipped with the reducing valve of high pressure are a part of system. All components are connected among themselves by refrigerator lines.
The fan banishes the air coming to salon through the evaporator heat exchanger working in the mode, the return to the mode of functioning of a radiator. The coolant which is pumped over via the heat exchanger, evaporating, selects excess of heat at air. Temperature in salon at the same time decreases to the required comfortable value (at the choice of the operator).
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