Inspect cooling system for leaks - AR20.00-P-1010TX
ENGINES 113.967 in MODEL 219.375
ENGINES 113.990 in MODEL 219.376
Shown on engine 113.967
| Removing | |||
| Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| 1 | Open engine hood and raise to vertical position | AR88.40-P-1000TX | |
| 2 | Open cap of coolant expansion reservoir (1) | ||
| 3 | Check coolant level and antifreeze content coolant | ||
| Drain coolant, fill. | AR20.00-P-1142TY | ||
| Coolant specifications | Sheet 310.1 | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |
| Anticorrosion/antifreeze agents (Sheet 325.0) | Sheet 325.0 | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |
| 4 | Screw on test cap (01) at coolant expansion reservoir (1). | Figure | |
| 5 | Connect pressure pump (02) at test cap (01) | Figure | |
| 6 | Apply test pressure to cooling system | ||
| Test pressure for pressure-testing cooling system | *BE20.30-P-1005-01A | ||
| Checking | |||
| 7 | Inspect condition and installation at hose clamps; retighten or replace if necessary | ||
| Install | |||
| 8 | Check coolant hoses and heater hoses and their connecting points for condition and coolant loss | ||
| 9 | Unscrew test cap (01) at coolant expansion reservoir (1). | ||
| 10 | Remove pressure pump (02) | ||
| 11 | Screw on the cap of the coolant expansion reservoir (1) | ||
| 12 | Close engine hood | AR88.40-P-1000TX |
CAP FOR RADIATOR OR EXPANSION RESERVOIR
| Number | Designation | 2-stage cap | |
|---|---|---|---|
| BE20.30-P-1005-01A | Test pressure for pressure-testing cooling system | bar gauge | 1.4 |