W20.00-A013-79
1 | Cap | 3 | Drain screw | 5 | Heat shield | ||
2 | Engine radiator | 4 | Right fender liner | 6 | Screw plugs |
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
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. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Topical note | Notes and information for working on engine cooling | ||
Drain off | |||
1 | Open hood. | ||
2 | Unscrew cap (1). | ||
3 | Set heating to max. heating output and switch on ignition. | ||
4 | Switch off auxiliary heater. | With CODE D6N (Auxiliary water heater, cab and engine) | |
5 | Provide filling unit. | ||
| 000 588 02 82 00 Filling unit | ||
Catch coolant with filling unit only. | |||
Drain at engine radiator | |||
6 | Remove drain screw (3) and drain coolant from the radiator (2). | ||
7 | Tighten drain screw (3) on the radiator (2). | Drain screw to engine radiator | |
Drain at engine | |||
8 | Disconnect ground line from battery. | ||
9 | Remove right fender liner (4). | ||
10 | Remove heat shield (5) from exhaust gas turbocharger. | ||
11 | Remove one of the screw plugs (6) and drain coolant from the engine. | Select screw plug (6) according to accessibility. | |
12 | Tighten screw plug (6) on the engine. | Replace sealing ring. | |
Screw plug to crankcase | |||
13 | Install heat shield (5) on the exhaust gas turbocharger. | Screw/bolt, heat shield to exhaust gas turbocharger and engine brake valve fitting | |
14 | Install right fender liner (4). | ||
15 | Connect ground line to battery. | ||
| Check | ||
16 | Check drained coolant for contamination. | In case of heavy contamination, replace coolant overall. | |
Coolant | |||
If coolant is severely contaminated | |||
| |||
De-oil engine cooling system. | |||
After obtaining special order. | |||
17 | Check coolant with antifreeze tester. | Coolant | |
If antifreeze content is too low, | |||
| |||
correct antifreeze content or replace coolant. | |||
Pour in | |||
18 | Pour in coolant up to the bottom edge of the filler neck using the filling unit. | ||
19 | Start engine and bleed engine cooling system. | Allow engine to run for approx. 5 min at varying engine speeds. | |
20 | Screw on cap (1). | ||
21 | Switch off engine. | ||
| Check | ||
22 | Check engine cooling system for leak tightness. | Visual inspection. | |
23 | Close hood. |
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