Cooling system — general information The cooling system is liquid, closed, with forced circulation of liquid. The system consists of an engine cooling jacket, radiator, water pump, thermostat, expansion tank and connecting hoses and tubes. The heater...
Checking the tightness of the cooling system Radiator of the cooling system 1 - radiator; 2 - sealing ring; 3 – a bringing hose of a radiator; 4 – a cover of a broad tank; 5 - connecting block; 6 - hairpin; 7 - fan casing; 8 - screw; 9 - expansion tank; 10 –...
Expansion tank cap check The exhaust valve, installed in the plug of the expansion tank, maintains the pressure within the specified limits and prevents damage to the system elements. A cap with a defective valve must be replaced. 1. Remove...
Removal and installation of a radiator on models without the conditioner Connecting blocks of the sensor of inclusion of the fan and the electric motor of the fan 1 - connecting block of the fan switch-on sensor; 2 - connecting block of the fan electric motor; 3 – a tip of a taking away hose...
Removal and installation of a radiator on models with the conditioner 1. Disconnect the wire from the terminal «-» battery. 2. Drain the coolant (see subsection 5.13 ). 3. By pressing the tabs of the latches, disconnect the blocks 1 and 2 with wires from the fan switch-on sensor and the...
Removal and installation of the water pump on models with petrol engines Gasoline engine water pump 1 - camshaft drive belt; 2 - water pump gasket; 3 - water pump; 4 – bolts of the top fastening of a back cover; 5 – a back cover of a belt of a drive of camshafts; 6 – the top cover of a belt...
Removal and installation of the water pump on models with diesel engines Parts of the diesel engine cooling system 1.9 l, 74 kW 1 – a bolt of fastening of the water pump; 2 - water pump; 3 - sealing ring; 4 – a hose of a broad tank; 5 – a tube of system of cooling on the block of cylinders;...
Removal and installation of the fan of a radiator If play is found in the motor bearings or deformation of the impeller blades, replace the fan, as the motor operates at a very high armature speed and any imbalance can lead to the destruction of the fan (usually at the...
Replacing the fan switch sensor 1. Disconnect the wire from the terminal «-» battery. 2. Drain the coolant (see subsection 5.13 ). 3. By pressing the latch tab, disconnect the block 1 (see fig. Connecting blocks of the sensor of inclusion of the fan...
Removal and installation of the thermostat Installing a thermostat a - gasoline engine; b - diesel engine; 1 - spring clamp; 2 – a bolt of fastening of a cover; 3 – a cover of the case of the thermostat; 4 - sealing ring; 5 - thermostat; 6 – the union of a hose...
Thermostat check 1. Remove the thermostat from the car. 2. Immerse the thermostat and control thermometer in a glass container with coolant so that they do not touch the bottom and walls of the vessel (this can lead to...
Replacing the hoses of the engine cooling system The scheme of the cooling system of the diesel engine 1.9 l, 74 kW 1 - radiator; 2 - oil filter heat exchanger; 3 - thermostat; 4 - water pump; 5 - block of cylinders; 6 - expansion tank; 7 – a tube of system of cooling...
Checking the coolant level 1. The coolant level is checked in the expansion tank according to the marks applied to the tank body. The expansion tank is installed in the engine compartment on the right side. Attention! The coolant level is checked...
Coolant replacement Radiator drain plug 1 - drain pipe; 2 - cork Fill with coolant that complies with TL VW 774 D (see table. Recommended coolants). Depending on the ambient temperature, the coolant concentrate must be diluted with...