1 | Coolant thermostat |
2 | Oil/coolant module |
3 | Coolant hose |
4 | Sealing ring |
5 | Securing clamp |
W20.10-1068-05
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 avoiding damage through contamination and foreign objects | ||
| Remove/install | ||
1 | Drain off coolant. | ||
2 | Remove left charge air pipe. | Only if this is required for accessibility purposes. | |
3 | Remove coolant thermostat (1) from oil/coolant module (2). | Collect escaping coolant using suitable vessel. | |
Installation: Replace sealing ring. | |||
Bolt, coolant thermostat to oil/coolant module | |||
4 | Remove coolant hose (3) at coolant thermostat (1). | Installation: | |
Lubricant, rubber assembly 1 l | |||
5 | Install in the reverse order. | ||
6 | Start engine, perform engine test run and switch off engine again. | Allow engine to run at a higher rotational speed. | |
7 | Check area of coolant thermostat (1) for leaks. | Visual inspection. |