Remove/Install Oil Separator On Cylinder Head Cover - AR01.20-P-9691MRA
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Engine 274.9 in model 205
except code 494 (US version)
except code 945 (China Stage 6 exhaust treatment)
Engine 274.9 in model 253
except code 494 (US version)
except code 945 (China Stage 6 exhaust treatment)
Shown on engine 274.920 without code A14 (CAMTRONIC)
Fig 1: Oil Separator On Cylinder Head Cover Components Location - Engine 274.9 In Model 253 Except Codes 494, 945 (Shown On Engine 274.920 Without Code A14)
Shown on engine 274.910 with code A14 (Camtronic)
| Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure | Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized. |
AS07.16-Z-0001-01A | |
| Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. | No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel. |
AS47.00-Z-0001-01A | |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| General information on work on gasoline direct injection system | AH07.00-P-2000-01A | ||
| Remove | |||
| 1 | Remove upper engine cover | ||
| 2 | Remove center and rear lower engine compartment paneling | AR61.20-P-1105LW | |
| 3 | Release and disconnect electrical connection from fuel system high pressure pump | ||
| 4 | Remove cable duct from cylinder head cover, fuel high-pressure pump shielding (4) and upper oil separator (1) and slightly lift | ||
| 5 | Remove fuel system high pressure pump shielding (4) | ||
| 6 | Relieve fuel pressure in fuel system high-pressure circuit | AR07.03-P-1460-02MM | |
| 7 | Remove fuel high-pressure line (5) and seal openings | Otherwise damage and leakage can occur. |
Fig 2 |
| 8 | Remove upper oil separator (1) from cylinder head cover | ||
| 9 | Remove bleed line (6) from crankcase | ||
| 10 | Remove upper oil separators (1) | ||
| Install | |||
| 11 | Install upper oil separator (1) | ||
| 12 | Install bleed line (6) with new seal on crankcase | *BA01.20-P-1004-01R | |
| 13 | Install upper oil separator (1) with new seal on cylinder head cover | *BA01.20-P-1007-01R | |
| 14 | Check sealing cone on fuel high-pressure line (5) | AR07.03-P-1010-03MM | |
| Assembly cleaner | *BR00.45-Z-1028-04A | ||
| 15 | Install fuel high-pressure line (5) | AR07.03-P-1010-02MR | |
| Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | ||
| Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | AH00.00-P-0015-01CW | ||
| *BA07.03-P-1002-01F | |||
| *BA07.03-P-1001-01F | |||
| 16 | Install fuel system high pressure pump shielding (4). | Shielding tightening procedure | AR07.02-P-0815-01MR |
| *BA07.02-P-1004-01D | |||
| 17 | Install cable duct on cylinder head cover, fuel high-pressure pump shielding (4) and upper oil separator (1) | ||
| 18 | Push together electrical connection from fuel system high pressure pump until it locks | ||
| Risk of burn injuries
, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. |
Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. |
AS49.00-Z-0001-01A | |
| 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 | |
| 19 | Carry out an engine test run, checking the engine for proper operation and leaktightness | ||
| 20 | Install center and lower engine compartment paneling | AR61.20-P-1105LW | |
| 21 | Install upper engine cover |
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER, CAMSHAFT HOUSING
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA01.20-P-1004-01R | Bolt, bleed line for oil separator to crankcase | Nm | 9 |
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER, CAMSHAFT HOUSING
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA01.20-P-1007-01R | Screw/bolt, oil separator to cylinder head cover | Nm | 9 |
HIGH PRESSURE PUMP
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA07.02-P-1004-01D | Bolt for high-pressure pump shielding | Nm | 20 |
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BA07.03-P-1001-01F | Union nut, fuel line to fuel distributor | Stage 1 | Nm | 15 |
| Stage 2 | ∠° | 75 | ||
| Stage 3 | ∠° | 25 | ||
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BA07.03-P-1002-01F | Union nut, fuel line to high-pressure pump | Stage 1 | Nm | 15 |
| Stage 2 | ∠° | 75 | ||
| Stage 3 | ∠° | 25 | ||
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |