Fig. 2.186. Cooling system components (engines with letter designation BLX, BLY, BLR): 1 – spring clamps; 2 – connecting hose; 3 – sealing ring; 4 – coolant temperature sensor; 5 – mounting bracket; 6 – connecting pipe; 7 – to the radiator from above; 8 – bolt 10 Nm; 9 – Throttle control module; 10 – bolt 15 Nm; 11 – coolant supply pipe; 12 – connecting hose; 13 – to the oil radiator; 14 – Coolant pipe; 15 – bolt 15 Nm; 16 – to the expansion tank; 17 – bolt 10 Nm; 18 – hose to the radiator below; 19 – bolt 15 Nm; 20 – coolant distributor housing; 21 – Coolant pump; 22 – bolt 15 Nm; 23 – to the heating heat exchanger; 24 – to the radiator coolant hose from above; 25 – EGR valve
Fig. 2.187. Cooling system hose connection diagram (engines with letter designation BLX, BLY, BLR): 1 – expansion tank; 2 – EGR valve; 3 – heater heat exchanger; 4 – transmission oil cooler; 5 – oil cooler; 6 – Throttle control module; 7 – radiator; 8 – coolant distributor housing with thermostat for engine cooling according to the algorithm; 9 – coolant pump; 10 – cylinder head/cylinder block
Note: For disposal or reuse, coolant should be drained into a clean container.
Note: Please observe the disposal regulations.
Open the cap of the expansion tank of the cooling system.
Remove the noise insulation screen.
Unlock the quick release coupling and disconnect the water hose from the radiator.
Additionally, disconnect the water hose from the lower pipe and drain the remaining coolant.
The original article is available at: VWMANUAL
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