S20.10-A005-79
Shown with engine 780.701 |
1 | Coolant thermostat | 3 | Nut | |
2 | Coolant hose | 4 | Bracket |
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
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. | |
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. | |
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 on avoiding damage through contamination and foreign objects | ||
Topical note | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | ||
| Remove/install | ||
1 | Drain coolant for cooling the electric motor. | ||
Model 447 with engine 780.702 | |||
2 | Remove coolant hoses (2) from the connection fittings on the coolant thermostat (1). | ||
Collect escaping coolant. | |||
Commercially available devices/tools | |||
Set of protective caps | |||
Record plug | |||
3 | Remove nut (3). | ||
4 | Remove coolant thermostat (1). | Installation: Ensure that the coolant thermostat (1) is seated correctly on the bracket (4) (arrow A). | |
5 | Install in the reverse order. | ||
| Check | ||
6 | Check cooling system for the electric motor in the area of the coolant thermostat (1) for leak tightness. |
001 589 00 91 00
Set of protective caps
129 589 00 91 00
Record plug
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