Remove/Install High-Pressure Fuel Pump - AR07.02-P-1020MFG
Engine 139 in model 118, 177, 247
| 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 . 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 injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Topical note | 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/install | |||
| 1 | Remove high-pressure line. | AR07.16-P-1002MFG | |
| 2 | Release and disconnect the electrical connector (2). | ||
| 3 | Remove front section of fender liner in right front wheel arch. | AR88.10-P-1301MFA | |
| 4 | Turn engine at the crankshaft in the direction of engine rotation to TDC marking. | Do not turn engine opposite direction of engine rotation. Otherwise the timing chain jumps and causes engine damage. |
AR01.10-P-1000-01MFG |
| Fig 2 | |||
| 5 | Remove screw/bolts (3). | Unscrew and screw in screws (3) alternately by half a revolution each when removing or installing the high-pressure pump (1). The high-pressure pump (i) will otherwise be damaged. |
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| *BA07.02-P-1003-01D | |||
| 6 | Remove high-pressure pump (i). | The sealing ring (4) may not come into contact with oil before inserting the high-pressure pump (1) into the cylinder head cover. Otherwise, the sealing ring (4) will swell and leaks will occur. |
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| 7 | Remove tappet element (5). | Install the tappet element (5) in such a way that the drive roller of the tappet element (5) sits on the camshaft. Damage can occur to the camshaft otherwise. |
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| 8 | Check tappet element (5) for wear and damage. | If there are problems, ↓ replace tappet element (5). |
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| 9 | Install in the reverse order. |
HIGH PRESSURE PUMP
| Number | Designation | Engine 139 | |
|---|---|---|---|
| BA07.02-P-1003-01D | Bolt, high-pressure pump to cylinder head cover | Nm | 15 |