AR07.02-P-1020PF | Remove high pressure pump, install | 9.1.03 |
ENGINE 612.990 in MODEL 203.018 /218 /718
P07.16-2505-09
1 High-pressure pump
2 Fuel feed line
3 Pressure line
4 Fuel return line
5 Screw
6 Bracket
7 Clutch
Modification notes
| Remove/Install | ||
Danger! | Risk of explosion if ignition takes place, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel. | No fire, sparks, open flames or smoking. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel. | |
1 | Remove vacuum pump | ||
2 | Detach coupling (7) from quantity control valve | ||
3 | Unbolt pressure line (3) to high pressure pump (1) | Counterhold while loosening and tightening the threaded union of the pressure line (3) with a suitable tool. Installation: Check the sealing cone of the pressure line (3) and replace the line if pressure marks exist. | |
| |||
4 | Unscrew bracket (6) of pressure line (3) | ||
5 | Disconnect fuel feed line (2) at high pressure pump (1) | Installation: Install new sealing ring. | |
6 | Disconnect fuel return line (4) at high pressure pump (1) | Installation: Install new sealing ring. | |
7 | Unscrew the screws (5) of the high pressure pump (1) and detach the high pressure pump | High pressure pump (1) must not be opened. The Oldham coupling is detachable. Installation: Clean sealing surfaces Replace O-ring. Make sure that the Oldham coupling is positioned correctly at the intermediate gear. | |
| |||
8 | Disconnect high pressure pump (1) from cylinder head | ||
9 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns when working in engine during starting procedure | Secure vehicle to prevent it moving off. Wear closed and close-fitting work clothes. Do not grasp hot or rotating parts. | |
10 | Run engine and inspect fuel system for leaks | ||
11 | Connect STAR DIAGNOSIS and read fault memory | During repairs, for example, delete the errors stored in the diagnostic trouble code memory by separating the connectors. | |
|
Common rail diesel injection (CDI)
Number | Designation | Engine 612.990 | |||
BA07.16-P-1002-01A | Nut of pressure line to high pressure pump/rail | Nm | 23 | ||
BA07.16-P-1009-01A | Bolt of high pressure pump to cylinder head | Nm | 14 | ||
Commercially available tools