Shown on engine 651 |
1 | Radiator |
2 | Coolant hose |
3 | Vent line |
4 | Screw |
5 | Air duct segment |
6 | Fastening fitting |
P20.20-2551-06
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. | |
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 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. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | |
Topical note | Notes on coolant | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Notes on coolant level | |||
| Remove/install | ||
1 | Remove fan unit |
| |
Model 253 with engine 274.9, 276.8, 642, 651 | |||
Installation: Only install upper engine cover after the leak test. | |||
2 | Drain coolant at cooler (1) |
| |
Model 253 with engine 274.9, 276.8, 651 | |||
Model 253 with engine 642 | |||
3 | Detach vent line (3) on radiator (1) | ||
4 | Detach coolant hoses (2) at the radiator (1) | ||
5 | Remove screw/bolts and remove fastening fitting (6) on soundproofing | ||
6 | Remove bolts (4) | ||
7 | Unclip air duct segment (5) on cooler (1) | ||
8 | Pull cooler (1) to the rear, pull out upwards and remove downwards | Aid of helper required. | |
9 | Install in the reverse order | ||
10 | Check engine cooling system for leaktightness |