Remove/Install Low Pressure Fuel Lines - AR07.03-P-1121MNP
Engine 177 in model 167
| 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 | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Topical note | 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 | ||
| General information on work on gasoline direct injection system | AH07.00-P-2000-01A | ||
| Remove/install | |||
| 1 | Clamp off ground line of on-board electrical system battery (G1). | AR54.10-P-0003ME | |
| 2 | Remove the bracket of the low-temperature circuit coolant expansion reservoir. | AR09.41-P-0017MNP | |
| 3 | Remove soundproofing (3). | ||
| 4 | Remove fuel pressure via the service connection. | AR07.03-P-1460-01MNL | |
| *BA07.03-P-1005-01H | |||
| Fig 3 | |||
| 5 | Clean area around left low-pressure line with service connection (5). | Assembly cleaner | *BR00.45-Z-1028-04A |
| Left low-pressure line with service connection (5) | |||
| 6 | Remove filler neck. | AR01.40-P-0004MNP | |
| 7 | Remove left low-pressure line with service connection (5) from the high-pressure fuel pump (4). | *BA07.03-P-1001-01H | |
| Fig 2 | |||
| 8 | Seal openings on the high-pressure fuel pump (4) with suitable stop plugs. | Fig 1 | |
| 9 | Remove fuel supply line from service connection and seal openings with suitable stop plugs. | *BA07.03-P-1006-01H | |
| Fig 1 | |||
| Fig 2 | |||
| 10 | Remove bracket of purge valves. | AR47.30-P-1500MNP | |
| 11 | Remove left low-pressure line with service connection (5) from cylinder head cover and bracket of coolant return line for exhaust gas. turbocharger. | *BA07.03-P-1004-01H | |
| 12 | Seal openings on the high-pressure fuel pump (4) with suitable stop plugs. | Fig 1 | |
| 13 | Remove left low-pressure line with service connection (5), and seal with suitable stop plugs. |
Always replace hose after opening clamp. Leaks can occur otherwise. Clamping pliers |
|
| Fig 1 | |||
| Check | |||
| 14 | Check left low-pressure line with service connection (5) for damage. | AR07.03-P-1120-01MNE | |
| Assembly cleaner If damage is present, ↓ Replace left low-pressure line with service connection (5). |
*BR00.45-Z-1028-04A | ||
| Right low-pressure line (9) | |||
| 15 | Remove bracket of the engine management control unit (MCM). | AR07.08-P-7016MNP | |
| 16 | Remove soundproofing (2). | ||
| 17 | Clean area around right low-pressure line (9). | Assembly cleaner | *BR00.45-Z-1028-04A |
| 18 | Remove right low-pressure line (9) from high-pressure fuel pump (1). | *BA07.03-P-1001-01H | |
| Fig 2 | |||
| 19 | Remove right low-pressure line (9) from cylinder head cover. | *BA07.03-P-1004-01H | |
| 20 | Seal openings on the high-pressure fuel pump (1) with suitable stop plugs. | Fig 1 | |
| 21 | Remove right low-pressure line (9) and seal with suitable stop plugs. | Always replace hose after opening clamp. Leaks can occur otherwise. |
|
Clamping pliers |
|||
| Fig 1 | |||
| Check | |||
| 22 | Check right low-pressure line (9) for damage. | AR07.03-P-1120-01MNE | |
| Assembly cleaner If damage is present, ↓ Replace right low-pressure line (9). |
*BR00.45-Z-1028-04A | ||
| Center low-pressure line (8) | |||
| 23 | Remove charge air coolers. | AR09.41-P-6817MNP | |
| 24 | Remove boots (6) from exhaust gas turbochargers. | *BA01.20-P-1003-01J | |
| 25 | Remove boot (7). | *BA09.41-P-1002-01X | |
| 26 | Remove center low-pressure line (8). | *BA07.03-P-1004-01H | |
| 27 | Remove hoses from the center low-pressure line (8) and seal openings of the center low-pressure line (8) with suitable stop plugs. | Always replace hoses after opening clamp. Leaks can occur otherwise. Clamping pliers |
|
| Fig 1 | |||
| Check | |||
| 28 | Check center low-pressure line (8) for damage. | AR07.03-P-1120-01MNE | |
| Assembly cleaner If damage is present, ↓ replace center low-pressure line (8). |
*BR00.45-Z-1028-04A | ||
| 29 | Install in the reverse order. | ||
| Check | |||
| 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 | |
| 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 | |
| 30 | Perform engine test run. While doing so, check engine for proper operation and leak tightness |
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA01.20-P-1003-01J | Clamp, boot to exhaust gas turbocharger/air filter | Nm | 1, 5 |
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 177 | |||
|---|---|---|---|---|---|
| BA07.03-P-1001-01H | Union nut, fuel line to fuel distributor/fuel system high-pressure pump | In case of reusability | Nm | 22 | |
| For new lines | Stage 1 | Nm | 15 | ||
| Stage 2 | ∠° | 90 | |||
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA07.03-P-1004-01H | Bolt, fuel line clamp to engine/bracket | Nm | 9 |
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA07.03-P-1005-01H | Dust protection cap to service connection | Nm | 1 |
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA07.03-P-1006-01H | Union nut, fuel hose to diagnostic socket/fuel line | Nm | 24 |
CHARGE AIR LINE/CHARGE AIR COOLING
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA09.41-P-1002-01X | Bolt, clamp for charge air hose to charge-air distributor | Nm | 6 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |