AR20.00-D-1010C | Inspect cooling system for leaks | 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
ENGINE 611.981 in MODEL 902.6, 903.6, 904.6
ENGINE 611.983 in MODEL 690.6
ENGINE 611.987 in MODEL 901.6
ENGINE 612.981 in MODEL 902.6, 903.6, 904.6, 905.6
ENGINE 612.981 in MODEL WD1, WD2, WD3, WD6, WD7, XD1, XD2, XD3, XD4, XD5, XD6, XD7, YD1, YD2, YD3, YD4, YD5, YD6, YD7
D20.00-1000-12
1 Cooling system cap
2 Expansion reservoir (integrated in radiator)
3 Tester
1 | Bring engine to operating temperature (approx. 80 °C ) | Check the cooling system for leaks when engine is at operating temperature. | |
2 | Set heating to maximum capacity | ||
Danger! | Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. 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 | Take off cooling system cap (1) | Replace cooling system cap (1) if corrosion present. | |
| Check | ||
4 | Check coolant level in expansion reservoir (2), correct if necessary. | ||
| Anticorrosion/antifreeze agents (Sheet 325.0) | Sheet 325.0 | |
5 | Attach test cap and tester (3) to the expansion reservoir (2) | | |
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6 | Pressurize cooling system | Pressure approx. 1.4 bar. | |
Inspect all hoses of cooling and heating system, radiator, coolant thermostat housing, coolant pump, oil-water heat exchanger and cylinder head gasket for coolant loss . Check condition and seating of hose clamps, re-tighten or replace if necessary. | |||
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7 | Release pressure at tester (3), detach tester (3) and test cap | ||
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8 | Fit cooling system cap (1) onto the expansion reservoir (2) |
124 589 00 91 00
Test cap
Tester
124 589 24 21 00
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