AR18.30-D-6840C | Removing and installing the oil/water heat exchanger | 14.2.96 |
ENGINE 111.979 in MODEL 901.0, 902.0, 903.0, 904.0
ENGINE 111.984 in MODEL 901.6, 902.6, 903.6, 904.6
D18.30-1000-09
The illustration shows engine 111.979. The arrangement of the components also applies to engine 111.984.
1 Oil-water heat exchanger
2 Coolant hose
3 Coolant hose
4 Seals
5 Supporting strut
6 Bolts + washers
7 Crankcase ventilation line
8 Coolant hose
9 Shock absorber of poly V-belt tensioning device
10 Bolt+washer
| Removing, installing | ||
1 | Remove viscous fan coupling | ||
2 | Remove poly V-belt | ||
Danger! | Risk of injury to skin and eyes from scalding with hot coolant which splashes out. 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 bottles. Wear protective gloves, protective clothing and eye protection. | |
3 | Drain coolant | ||
4 | Unscrew bolt + washer (10) and push shock absorber of poly V-belt tensioning device (9) to the side (arrow) | | |
5 | Remove coolant hose (8) | ||
6 | Detach coolant hose (2) at coolant pump and coolant hose (3) at crankcase | ||
7 | Take off supporting strut (5) and place to the side together with plug connection | ||
8 | Detach crankcase ventilation line (7) at power steering pump carrier | ||
9 | Unscrew bolts (arrows) at timing case cover | ||
10 | Unscrew bolts (arrows) to oil-water heat exchanger (1) and take out oil-water heat exchanger (1) to the rear | | |
11 | Install in the reverse order | ||
12 | Inspect engine oil level, adjust to correct level if necessary | ||
13 | Inspect cooling system for leaks |
Belt tensioning device
Number | Designation | Engine 111.979/ | |
BA13.25-N-1004-01A | Shock absorber of belt tensioning device to coolant thermostat housing | Nm | 21 |
Oil cooling system
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