AR20.10-G-1290-02DF | Remove/install connection piece of coolant pump to cylinder head | ||
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
Coolant pump, coolant thermostat
Number | Designation | Engines | |
BA20.10-N-1003-01L | Bolt, connection piece of coolant pump to cylinder head | Nm | 50 |
W20.10-1011-11
1 Take off coolant hose (2) at coolant manifold (1).
Installation: Replace sealing rings.
2 Loosen coolant hoses (3) and push back onto the coolant lines (4).
3 Disconnect control line (5) from electropneumatic pressure converter (EPW) (Y87) to turbocharger at connector hose.
G20.10-3138-11
4 Take off coolant hose (6) at connection piece (10).
5 Disconnect electrical connector of engine wiring harness (7) from coolant temperature sensor (B65).
6 Detach engine wiring harness (7) at control line (5).
7 Disconnect line (5) to the turbocharger at connector hose and remove.
8 Remove bolts (8) and remove crankcase breather line (9).
Installation: Tighten bolts (8).
9 Pull connecting piece (10) together with coolant manifold (1) upwards and out of connection fitting (11).
Installation: Replace the seal in connecting piece (10).
10 Pull connection fitting (11) out of the coolant pump.
Installation: Replace connector fitting (11).
11 Install in the reverse order.
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