1 | Cap |
B20.00-0076-11
2 | Radiator |
3 | Drain screw |
B20.00-0077-11
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
Warning | Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from 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. | |
Topical note | Notes on coolant | ||
Depressurize | |||
1 | Open the engine compartment | The access to perform repair and maintenance work varies according to the body type/manufacturer. | |
2 | Loose the cap (1) | ||
3 | Adjust heating at its maximum heating output and turn on the ignition | ||
4 | Open the coolant drain screw (3) and drain the coolant from the radiator (2) | For draining, it is not necessary to unscrew the drain screw (3) completely. Collect coolant with a coolant collector. During refueling, a filter cleans the coolant. | |
Refuel | |||
5 | Screw the drain screw (3) in the radiator (2) | Draining screw on engine radiator | |
6 | Check the coolant for contamination | In case of contamination, the coolant should be completely replaced. | |
Cooling system | |||
7 | Check coolant with an anti-freeze protection test unit | In case of low anti-freeze protection, fix the anti-freezing protection fraction or replace the coolant. | |
Cooling system | |||
8 | Refuel coolant with coolant collector unit until the lower edge of the filler neck | ||
9 | Start the engine and drain the cooling system | The engine should work for approximate 5 minutes at alternate speed. Refuel with coolant under operation until the lower edge of the filler neck. | |
10 | Screw the cap (1) | ||
11 | Stop the engine | ||
12 | Check the tightness of the cooling system | Visual check | |
13 | Close the engine compartment |
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