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13-1-obshhie-svedeniya.html
13.1. The general dataThe cooling system closed liquid, includes the water pump with a drive an auxiliary belt from a cranked shaft, the fan of a radiator with термовязкостной муфтой or an electric drive, a radiator, a broad tank, the thermostat, a heater radiator, hoses and switches. At start-up of the cold engine the cooling liquid does not arrive in a radiator as the thermostat valve is closed, and circulates on a shirt of the block and a head of the block of cylinders, then again arrives in the pump. Thus fast warming up of the cold engine is provided. When the cooling liquid will reach certain temperature, the thermostat valve opens also a hot cooling liquid passes through a hose to a radiator and is cooled by a stream of counter air. Термовязкостная муфта the radiator fan joins depending on air temperature behind a radiator. At achievement of certain temperature the valve in муфте opens and is put in action крыльчатка the fan.
Preventions
At opening of a cover of a broad tank on the hot engine it is necessary to be careful, as leaving steams can lead to strong burns. For this purpose close a cover of a broad tank a thick layer of a fabric and slowly unscrew a cover before occurrence of a hissing sound. After the hissing termination slowly unscrew and uncover a broad tank.
Do not suppose hit of a cooling liquid on clothes and a paint and varnish covering of a body. Otherwise wash out a surface a water considerable quantity.
All clips and collars which at dismantling of system of cooling will be damaged or cut, at assemblage it is necessary to replace with the new. For fastening of collars of tape type it is necessary to use special пассатижи VAG 1921. It is necessary to replace all removed linings and sealing rings with the new. At arrow assemblage on elements of system of cooling at their presence it is necessary to combine.
The merged cooling liquid is necessary for collecting and utilising.
Specifications
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The thermostat
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Temperature of the beginning of opening, С
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87
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Temperature of full opening, С
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102
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Thermostat valve stroke, mm
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8
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The inhaling moments, Н*м
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The petrol engine of 2,8 l
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Bolts of fastening of the case of the thermostat
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10
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Stopper plum of a cooling liquid from the block of cylinders of the engine
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20
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Bolts of fastening of the water pump
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10
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Bolt of fastening of a pulley of the water pump
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25
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Bolts of fastening of the case of the thermostat
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10
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Bolts of fastening of pipes of system of cooling to the block of cylinders
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10
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Bolts of fastening of the oil heat exchanger to a radiator
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10
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Nuts of fastening of a radiator to a forward cross-beam
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20
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The diesel engine of 2,5 l
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Stopper plum of a cooling liquid from a drainage pipe
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10
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The water pump to the block of cylinders
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10
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Back casing of a gear belt in a head of the block of cylinders
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10
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Back casing of a gear belt to the fuel pump
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10
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Thermostat casing to the block of cylinders
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10
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Leading pulley of the fuel pump to a camshaft
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22
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Заглушка to the block of cylinders
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10
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Forward section of a pipe of a cooling liquid to the block of cylinders
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22
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Forward section of a pipe of a cooling liquid to a head of the block of cylinders
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10
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Back casing of a gear belt to a head of the block of cylinders
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10
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Back casing of a gear belt to the fuel pump
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10
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The diesel engine of 3,3 l
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The water pump to the block of cylinders
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10
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Back casing of a gear belt to a head of the block of cylinders
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10
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Directing roller of a gear belt
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70
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The thermostat case
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10
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Average pipe of system of cooling to a head of the block of cylinders
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10
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