Remove/Install Upper Coolant Expansion Reservoir For Low-Temperature Circuit - AR09.41-P-0050MNG
Engine 177 in model 253
| 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 containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Remove cap from coolant expansion reservoir (3) | ||
| 2 | Suction off coolant from coolant expansion reservoir (3) | *BF20.00-P-1001-02LA | |
| Fig 1 | |||
| 3 | Actuate connector coupling, remove bleed line (5) from coolant expansion reservoir (3) and seal openings with suitable stop plugs | Fig 2 | |
| 4 | Actuate connector coupling, remove feed line (1) from coolant expansion reservoir (3) and seal openings with suitable stop plugs | Fig 2 | |
| 5 | Detach vacuum line (2) at coolant expansion reservoir (3) | ||
| 6 | Remove screw/bolt (4) | *BA09.41-P-1011-01X | |
| 7 | Remove coolant expansion reservoir (3) in upward direction | ||
| Antifriction paste rubber parts 2 5 kg DBL 6867 00 | *BR00.45-Z-1002-06A | ||
| 8 | Check elastomer bearing of coolant expansion reservoir (3) for damage | If a problem arises ↓ Replace elastomer bearing. |
|
| 9 | Install in the reverse order | ||
| 10 | Check coolant level in coolant expansion reservoir (3) and correct if necessary | *BF20.00-P-1001-02LA | |
| 11 | Check low-temperature circuit for leaktightness | AR09.41-P-1011MNG | |
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 12 | Perform an engine test run and in doing so check low-temperature circuit for proper function |
CHARGE AIR LINE/CHARGE AIR COOLING
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA09.41-P-1011-01X | Bolt, low-temperature circuit expansion reservoir at top to low-pressure line | Nm | 9 |
COOLING SYSTEM
| Number | Designation | Engine 177 in model 253 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-02LA | Cooling system | Workshop replacement amount | Main circuit | Liter | ≈ 11, 1 |
| Low-temperature circuit | Liter | ≈4, 6 | |||
| Antifreeze/water | Down to -37°C | % | 50/50 | ||
| -38°C and below | % | 55/45 | |||
| Specifications for Operating Fluids, sheet | BB00.40-P-0310-01A | ||||
| Specifications for Operating Fluids, sheet | BB00.40-P-0325-06A | ||||
| Specifications for Operating Fluids, sheet | BB00.40-P-0326-06A | ||||
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1002-06A | Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 | A 000 989 01 60 |