AR07.03-P-1451VA | Remove/install fuel distributor with injection valves (ME-SFI) | 9.3.10 |
ENGINE 272 in MODEL 171
P07.03-2127-09
1a Right control unit bracket
1b Left control unit bracket
2 Fuel distributor
2a Service valve
2b Screw
N3/10 ME-SFI [ME] control unit
Y62 Fuel injection valves
3a Feed duct
3b Feed duct
4a Crankcase ventilation hose
4b Crankcase ventilation hose
5 Fuel pipe
| Remove/install | ||
Danger! | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
1 | Turn key in ignition lock (electronic ignition switch control unit) to position "0" | ||
2 | Open engine hood and raise to vertical position | ||
3 | Remove air filter housing | ||
4 | Remove ME control unit (N3/10) with feed lines connected from the top from the control unit brackets (1a, 1b) | ||
5 | Remove right control unit bracket (1a) | | |
6 | Detach all electrical feed lines from the fuel distributor (2) | Installation: Install new cable ties. | |
7 | Detach the feed line duct (3a) from the cylinder head cover and resonance intake manifold | | |
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8 | Detach the feed line duct (3b) from the resonance intake manifold | | |
9 | Disconnect the hoses (4a, 4b) of the crankcase ventilation | ||
10 | Remove the electrical connectors at the fuel injection valves (Y62) | ||
11 | Reduce fuel pressure via service valve (2a) | ||
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12 | Detach fuel line (5) from fuel distributor (2) | Catch escaping fuel with an absorbent rag! | |
Seal connections immediately with stop plugs. | |||
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13 | Remove bolts (2b) and take off fuel distributor (2) with fuel injection valves (Y62) | Installation: Replace O-rings of the fuel injection valves (Y62). | |
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Lubricant paste | |||
14 | 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 during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
15 | Carry out an engine test run and check fuel system for leaks |
Control unit
Number | Designation | Engine 272 | ||
BA07.08-P-1002-01A | Bolt, control unit bracket to resonance intake manifold | Nm | 8 | |
Engine wiring harness
Number | Designation | Engine 272 | ||
BA15.18-P-1001-01B | Bolt, feed duct to resonance intake manifold | Nm | 8 | |
BA15.18-P-1002-01B | Bolt, feed duct to cylinder head cover | Nm | 8 | |
Injectors, injection valves, lines
Number | Designation | Engine 272 without code 917 | Engine 272 with code 917 | ||
BA07.03-P-1001-01B | Union nut, fuel line to fuel distributor | Nm | 20 | 20 | |
BA07.03-P-1002-01B | Bolt, fuel distributor to resonance intake manifold | Nm | 9 | 9 | |
BA07.03-P-1004-01B | Protective cap on service valve | Nm | - | 15 | |
129 589 00 91 00
Set of stop plugs
Pressure hose
119 589 04 63 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1002-06A | Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00 | A 000 989 01 60 |
Referenced documents
- ar0703p146001va Reduce fuel pressure through service valve
- ar0910p1150va Remove/install air filter housing
- ar8840p1000v Opening engine hood, moving to upright position and closing
- as0000z000501a 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.
- as4700z000101a 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 contactwith fuel.