1 | Cap |
2 | Expansion reservoir |
P20.00-2327-11
Danger ! | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | |
Danger ! | 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. | |
| Notes on coolant | ||
| Information on preventing damage to electronic components due to electrostatic discharge | ||
| Check | ||
1 | Remove maintenance flap | ||
2 | Turn cooling system cap(1) on expansion reservoir (2) a half turn counterclockwise, relieve the overpressure and then unscrew the cooling system cap (1) | ||
3 | Check coolant level in expansion reservoir (2), correct if necessary | ||
| Coolant specifications | ||
| Anticorrosion/antifreeze agents (Sheet 325.0) | ||
The engine coolant level in the coolant expansion reservoir (2) must be positioned at the max. marking. | |||
4 | Attach pressure pump on expansion reservoir (2) | Pressure pump | |
5 | Apply a pressure of a max. 1.6 bar to the cooling system | Observe pressure gauge for pressure pump. | |
Pressure pump | |||
6 | Remove interior flap above engine | If a pressure drop was established in the cooling system. | |
7 | Raise vehicle with vehicle lift | If a pressure drop was established in the cooling system. | |
8 | Remove underfloor paneling | If a pressure drop was established in the cooling system. | |
9 | Check all components of cooling system for leaktightness; establish coolant loss and remove it | If a pressure drop was established in the cooling system. | |
10 | Lower vehicle with vehicle lift | If a pressure drop was established in the cooling system. | |
11 | Disconnect pressure pump on expansion reservoir (2) and check coolant level in expansion reservoir (2); correct if necessary | After removal of the leakage in the cooling system. | |
| Coolant specifications | ||
| Anticorrosion/antifreeze agents (Sheet 325.0) | ||
The engine coolant level in the coolant expansion reservoir (2) must be positioned at the max. marking. | |||
Pressure pump | |||
12 | Attach pressure pump to expansion reservoir (2) and apply a pressure of a maximum of 1.6 bar again to the cooling system | After removal of the leakage in the cooling system. | |
Observe pressure gauge for pressure pump. | |||
Pressure pump | |||
13 | Raise vehicle with vehicle lift | After removal of the leakage in the cooling system. | |
14 | Install underfloor paneling | After removal of the leakage in the cooling system. | |
15 | Lower vehicle with vehicle lift | After removal of the leakage in the cooling system. | |
16 | Install interior flap above engine | After removal of the leakage in the cooling system. | |
17 | Disconnect pressure pump on expansion reservoir (2) | Pressure pump | |
18 | Seal expansion reservoir (2) with cap (1) | ||
19 | Install maintenance flap |
450 589 07 21 00
Pressure pump
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