AR20.00-P-1010GF | Checking cooling system for leaks | 17.9.96 |
ENGINE 166.940 /960 /990 /995, 668.940 /941 /942 in MODEL 168
P20.00-2031-11
Vehicles without separate coolant expansion tank
1 Coolant expansion tank
2 Cap
3 Test cap
4 Tester
P20.00-2029-11
Vehicles with separate coolant expansion tank
1 Coolant
2 Cap
3 Test cap
4 Tester
| Remove/install | ||
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. | |
1 | Open cap (2) on the expansion reservoir (1) | Give a 1/2 turn anticlockwise, release pressure, then screw off the cap (2) | |
| Radiator with separate coolant expansion tank | Engine 166 in model 168 from 1.6.99 | |
2 | Set heater switch to maximum heating capacity | ||
| Inspecting | ||
3 | Check engine coolant level | correct if necessary. | |
4 | Mount test cap (3) on coolant expansion tank (1) | | |
5 | Connect tester (4) | | |
6 | Pressurize the cooling system | With new cylinder head gasket: Check cooling system for leaks, when engine has reached operating temperature. | |
7 | Check the condition of coolant and heater hoses and connecting points, checking for coolant loss; check the condition of hose clamps, and that they are correctly positioned | If leaks are found: Observe the heater booster on Engine 668 |
168 589 02 91 00
Test cap
Tester
124 589 24 21 00
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