P20.30-2100-11
Illustrated on model 203.035
1 Test cap
2 Expansion reservoir
3 Pressure pump
| Checking | ||
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. | |
| Notes on coolant | ||
| Notes on coolant level | ||
1 | Open 2-stage cap on expansion reservoir (2) | Turn 2-stage cap half a turn in an anti-clockwise direction, release pressure, and then unscrew 2-stage cap. | |
2 | Set heating switches to maximum heating capacity | ||
3 | Check coolant level | If the antifreeze share of the coolant is too small, either antifreeze must be added or the coolant must be replaced, see: | |
Draining/filling with coolant | |||
4 | Mount test cap (1) at expansion reservoir (2) | Test cap | |
5 | Connect pressure pump (3). | Pressure pump | |
6 | Pressurize cooling system | Test pressure not higher than 1.4 bar. | |
If new cylinder head gasket fitted, first of all warm up engine to operating temperature before testing cooling system for leaks. | |||
Test pressure for pressure-testing cooling system | |||
7 | Check hose clamps for condition and seating | If hose clamps are loose, tighten them or replace them. | |
6 mm socket hexagon on flexible shaft for hose clamps with worm drive | |||
7 mm socket hexagon on flexible shaft for hose clamps with worm drive | |||
8 | Check condition of cooling and heating hoses | Replace damaged parts in order to prevent leaks. | |
Check coolant hoses and heater hoses and their connecting points for condition and coolant loss. | |||
9 | Remove test cap (1) on expansion reservoir (2) | Test cap | |
10 | Detach pressure pump (3) | Pressure pump | |
11 | Move heater switch to starting position | ||
12 | Close 2-stage cap on expansion reservoir (2) |
Cap of radiator or expansion reservoir
Number | Designation | 2-stage | ||
BE20.30-P-1005-01A | Test pressure for pressure-testing cooling system | bar gage | 1.4 | |
124 589 24 21 00
Pressure pump
Test cap
210 589 00 91 00
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